Format all bzl files with buildifier This CL aslo enables a presubmit check for correct formatting of all bzl files in //third_party/bazel. PiperOrigin-RevId: 198857055
diff --git a/tools/android/android_sdk_repository_template.bzl b/tools/android/android_sdk_repository_template.bzl index f9b618d..e41adfb 100644 --- a/tools/android/android_sdk_repository_template.bzl +++ b/tools/android/android_sdk_repository_template.bzl
@@ -14,205 +14,206 @@ # limitations under the License. def create_config_setting_rule(): - """Create config_setting rule for windows. + """Create config_setting rule for windows. - These represent the matching --host_cpu values. - """ - name = "windows" - if not native.existing_rule(name): - native.config_setting( - name = name, - values = {"host_cpu": "x64_" + name}, - ) + These represent the matching --host_cpu values. + """ + name = "windows" + if not native.existing_rule(name): + native.config_setting( + name = name, + values = {"host_cpu": "x64_" + name}, + ) def create_android_sdk_rules( - name, - build_tools_version, - build_tools_directory, - api_levels, - default_api_level): - """Generate android_sdk rules for the API levels in the Android SDK. + name, + build_tools_version, + build_tools_directory, + api_levels, + default_api_level): + """Generate android_sdk rules for the API levels in the Android SDK. - Args: - name: string, the name of the repository being generated. - build_tools_version: string, the version of Android's build tools to use. - build_tools_directory: string, the directory name of the build tools in - sdk's build-tools directory. - api_levels: list of ints, the API levels from which to get android.jar - et al. and create android_sdk rules. - default_api_level: int, the API level to alias the default sdk to if - --android_sdk is not specified on the command line. - """ + Args: + name: string, the name of the repository being generated. + build_tools_version: string, the version of Android's build tools to use. + build_tools_directory: string, the directory name of the build tools in + sdk's build-tools directory. + api_levels: list of ints, the API levels from which to get android.jar + et al. and create android_sdk rules. + default_api_level: int, the API level to alias the default sdk to if + --android_sdk is not specified on the command line. + """ - create_config_setting_rule() + create_config_setting_rule() - windows_only_files = [ - "build-tools/%s/aapt.exe" % build_tools_directory, - "build-tools/%s/aidl.exe" % build_tools_directory, - "build-tools/%s/zipalign.exe" % build_tools_directory, - "platform-tools/adb.exe", - ] + native.glob(["build-tools/%s/aapt2.exe" % build_tools_directory]) + windows_only_files = [ + "build-tools/%s/aapt.exe" % build_tools_directory, + "build-tools/%s/aidl.exe" % build_tools_directory, + "build-tools/%s/zipalign.exe" % build_tools_directory, + "platform-tools/adb.exe", + ] + native.glob(["build-tools/%s/aapt2.exe" % build_tools_directory]) - linux_only_files = [ - "build-tools/%s/aapt" % build_tools_directory, - "build-tools/%s/aidl" % build_tools_directory, - "build-tools/%s/zipalign" % build_tools_directory, - "platform-tools/adb", - ] + native.glob( - ["extras", "build-tools/%s/aapt2" % build_tools_directory], - exclude_directories = 0, - ) + linux_only_files = [ + "build-tools/%s/aapt" % build_tools_directory, + "build-tools/%s/aidl" % build_tools_directory, + "build-tools/%s/zipalign" % build_tools_directory, + "platform-tools/adb", + ] + native.glob( + ["extras", "build-tools/%s/aapt2" % build_tools_directory], + exclude_directories = 0, + ) - # This filegroup is used to pass the minimal contents of the SDK to the - # Android integration tests. Note that in order to work on Windows, we cannot - # include directories and must keep the size small. - native.filegroup( - name = "files", - srcs = [ - "build-tools/%s/lib/apksigner.jar" % build_tools_directory, - "build-tools/%s/lib/dx.jar" % build_tools_directory, - "build-tools/%s/mainDexClasses.rules" % build_tools_directory, - ] + [ - "platforms/android-%d/%s" % (api_level, filename) - for api_level in api_levels - for filename in ["android.jar", "framework.aidl"] - ] + select({ - ":windows": windows_only_files, - "//conditions:default": linux_only_files, - }), - ) - - for api_level in api_levels: - if api_level >= 23: - # Android 23 removed most of org.apache.http from android.jar and moved it - # to a separate jar. - native.java_import( - name = "org_apache_http_legacy-%d" % api_level, - jars = ["platforms/android-%d/optional/org.apache.http.legacy.jar" % api_level] - ) - - native.android_sdk( - name = "sdk-%d" % api_level, - build_tools_version = build_tools_version, - proguard = "@bazel_tools//third_party/java/proguard", - aapt = select({ - ":windows": "build-tools/%s/aapt.exe" % build_tools_directory, - "//conditions:default": ":aapt_binary", - }), - aapt2 = select({ - ":windows": "build-tools/%s/aapt2.exe" % build_tools_directory, - "//conditions:default": ":aapt2_binary", - }), - dx = ":dx_binary", - main_dex_list_creator = ":main_dex_list_creator", - adb = select({ - ":windows": "platform-tools/adb.exe", - "//conditions:default": "platform-tools/adb", - }), - framework_aidl = "platforms/android-%d/framework.aidl" % api_level, - aidl = select({ - ":windows": "build-tools/%s/aidl.exe" % build_tools_directory, - "//conditions:default": ":aidl_binary", - }), - android_jar = "platforms/android-%d/android.jar" % api_level, - shrinked_android_jar = "platforms/android-%d/android.jar" % api_level, - main_dex_classes = "build-tools/%s/mainDexClasses.rules" % build_tools_directory, - apksigner = ":apksigner", - zipalign = select({ - ":windows": "build-tools/%s/zipalign.exe" % build_tools_directory, - "//conditions:default": ":zipalign_binary", + # This filegroup is used to pass the minimal contents of the SDK to the + # Android integration tests. Note that in order to work on Windows, we cannot + # include directories and must keep the size small. + native.filegroup( + name = "files", + srcs = [ + "build-tools/%s/lib/apksigner.jar" % build_tools_directory, + "build-tools/%s/lib/dx.jar" % build_tools_directory, + "build-tools/%s/mainDexClasses.rules" % build_tools_directory, + ] + [ + "platforms/android-%d/%s" % (api_level, filename) + for api_level in api_levels + for filename in ["android.jar", "framework.aidl"] + ] + select({ + ":windows": windows_only_files, + "//conditions:default": linux_only_files, }), ) - native.alias( - name = "org_apache_http_legacy", - actual = ":org_apache_http_legacy-%d" % default_api_level, - ) + for api_level in api_levels: + if api_level >= 23: + # Android 23 removed most of org.apache.http from android.jar and moved it + # to a separate jar. + native.java_import( + name = "org_apache_http_legacy-%d" % api_level, + jars = ["platforms/android-%d/optional/org.apache.http.legacy.jar" % api_level], + ) - native.alias( - name = "sdk", - actual = ":sdk-%d" % default_api_level, - ) + native.android_sdk( + name = "sdk-%d" % api_level, + build_tools_version = build_tools_version, + proguard = "@bazel_tools//third_party/java/proguard", + aapt = select({ + ":windows": "build-tools/%s/aapt.exe" % build_tools_directory, + "//conditions:default": ":aapt_binary", + }), + aapt2 = select({ + ":windows": "build-tools/%s/aapt2.exe" % build_tools_directory, + "//conditions:default": ":aapt2_binary", + }), + dx = ":dx_binary", + main_dex_list_creator = ":main_dex_list_creator", + adb = select({ + ":windows": "platform-tools/adb.exe", + "//conditions:default": "platform-tools/adb", + }), + framework_aidl = "platforms/android-%d/framework.aidl" % api_level, + aidl = select({ + ":windows": "build-tools/%s/aidl.exe" % build_tools_directory, + "//conditions:default": ":aidl_binary", + }), + android_jar = "platforms/android-%d/android.jar" % api_level, + shrinked_android_jar = "platforms/android-%d/android.jar" % api_level, + main_dex_classes = "build-tools/%s/mainDexClasses.rules" % build_tools_directory, + apksigner = ":apksigner", + zipalign = select({ + ":windows": "build-tools/%s/zipalign.exe" % build_tools_directory, + "//conditions:default": ":zipalign_binary", + }), + ) - native.java_binary( - name = "apksigner", - main_class = "com.android.apksigner.ApkSignerTool", - runtime_deps = ["build-tools/%s/lib/apksigner.jar" % build_tools_directory], - ) - - native.filegroup( - name = "build_tools_libs", - srcs = native.glob([ - "build-tools/%s/lib/**" % build_tools_directory, - # Build tools version 24.0.0 added a lib64 folder. - "build-tools/%s/lib64/**" % build_tools_directory, - ]) - ) - - for tool in ["aapt", "aapt2", "aidl", "zipalign"]: - native.genrule( - name = tool + "_runner", - outs = [tool + "_runner.sh"], - srcs = [], - cmd = "\n".join([ - "cat > $@ << 'EOF'", - "#!/bin/bash", - "set -eu", - # The tools under build-tools/VERSION require the libraries under - # build-tools/VERSION/lib, so we can't simply depend on them as a - # file like we do with aapt. - # On Windows however we can use these binaries directly because - # there's no runfiles support so Bazel just creates a junction to - # {SDK}/build-tools. - "SDK=$${0}.runfiles/%s" % name, - # If $${SDK} is not a directory, it means that this tool is running - # from a runfiles directory, in the case of - # android_instrumentation_test. Hence, use the androidsdk - # that's already present in the runfiles of the current context. - "if [[ ! -d $${SDK} ]] ; then", - " SDK=$$(pwd)/../%s" % name, - "fi", - "exec $${SDK}/build-tools/%s/%s $$*" % (build_tools_directory, tool), - "EOF\n"]), + native.alias( + name = "org_apache_http_legacy", + actual = ":org_apache_http_legacy-%d" % default_api_level, ) + native.alias( + name = "sdk", + actual = ":sdk-%d" % default_api_level, + ) + + native.java_binary( + name = "apksigner", + main_class = "com.android.apksigner.ApkSignerTool", + runtime_deps = ["build-tools/%s/lib/apksigner.jar" % build_tools_directory], + ) + + native.filegroup( + name = "build_tools_libs", + srcs = native.glob([ + "build-tools/%s/lib/**" % build_tools_directory, + # Build tools version 24.0.0 added a lib64 folder. + "build-tools/%s/lib64/**" % build_tools_directory, + ]), + ) + + for tool in ["aapt", "aapt2", "aidl", "zipalign"]: + native.genrule( + name = tool + "_runner", + outs = [tool + "_runner.sh"], + srcs = [], + cmd = "\n".join([ + "cat > $@ << 'EOF'", + "#!/bin/bash", + "set -eu", + # The tools under build-tools/VERSION require the libraries under + # build-tools/VERSION/lib, so we can't simply depend on them as a + # file like we do with aapt. + # On Windows however we can use these binaries directly because + # there's no runfiles support so Bazel just creates a junction to + # {SDK}/build-tools. + "SDK=$${0}.runfiles/%s" % name, + # If $${SDK} is not a directory, it means that this tool is running + # from a runfiles directory, in the case of + # android_instrumentation_test. Hence, use the androidsdk + # that's already present in the runfiles of the current context. + "if [[ ! -d $${SDK} ]] ; then", + " SDK=$$(pwd)/../%s" % name, + "fi", + "exec $${SDK}/build-tools/%s/%s $$*" % (build_tools_directory, tool), + "EOF\n", + ]), + ) + + native.sh_binary( + name = tool + "_binary", + srcs = [tool + "_runner.sh"], + data = [ + ":build_tools_libs", + "build-tools/%s/%s" % (build_tools_directory, tool), + ], + ) + native.sh_binary( - name = tool + "_binary", - srcs = [tool + "_runner.sh"], - data = [ - ":build_tools_libs", - "build-tools/%s/%s" % (build_tools_directory, tool) - ], + name = "fail", + srcs = select({ + ":windows": [":generate_fail_cmd"], + "//conditions:default": [":generate_fail_sh"], + }), ) - native.sh_binary( - name = "fail", - srcs = select({ - ":windows": [":generate_fail_cmd"], - "//conditions:default": [":generate_fail_sh"], - }), - ) + native.genrule( + name = "generate_fail_sh", + executable = 1, + outs = ["fail.sh"], + cmd = "echo -e '#!/bin/bash\\nexit 1' >> $@; chmod +x $@", + ) - native.genrule( - name = "generate_fail_sh", - executable = 1, - outs = ["fail.sh"], - cmd = "echo -e '#!/bin/bash\\nexit 1' >> $@; chmod +x $@", - ) + native.genrule( + name = "generate_fail_cmd", + executable = 1, + outs = ["fail.cmd"], + cmd = "echo @exit /b 1 > $@", + ) - native.genrule( - name = "generate_fail_cmd", - executable = 1, - outs = ["fail.cmd"], - cmd = "echo @exit /b 1 > $@", - ) - - - native.genrule( - name = "main_dex_list_creator_source", - srcs = [], - outs = ["main_dex_list_creator.sh"], - cmd = "\n".join(["cat > $@ <<'EOF'", + native.genrule( + name = "main_dex_list_creator_source", + srcs = [], + outs = ["main_dex_list_creator.sh"], + cmd = "\n".join([ + "cat > $@ <<'EOF'", "#!/bin/bash", "", "MAIN_DEX_LIST=$$1", @@ -223,32 +224,32 @@ "$$JAVA_BINARY $$STRIPPED_JAR $$JAR > $$MAIN_DEX_LIST", "exit $$?", "", - "EOF\n"]), - ) + "EOF\n", + ]), + ) - native.sh_binary( - name = "main_dex_list_creator", - srcs = ["main_dex_list_creator.sh"], - data = [":main_dex_list_creator_java"], - ) + native.sh_binary( + name = "main_dex_list_creator", + srcs = ["main_dex_list_creator.sh"], + data = [":main_dex_list_creator_java"], + ) - native.java_binary( - name = "main_dex_list_creator_java", - main_class = "com.android.multidex.ClassReferenceListBuilder", - runtime_deps = [":dx_jar_import"], - ) + native.java_binary( + name = "main_dex_list_creator_java", + main_class = "com.android.multidex.ClassReferenceListBuilder", + runtime_deps = [":dx_jar_import"], + ) - native.java_binary( - name = "dx_binary", - main_class = "com.android.dx.command.Main", - runtime_deps = [":dx_jar_import"], - ) + native.java_binary( + name = "dx_binary", + main_class = "com.android.dx.command.Main", + runtime_deps = [":dx_jar_import"], + ) - native.java_import( - name = "dx_jar_import", - jars = ["build-tools/%s/lib/dx.jar" % build_tools_directory], - ) - + native.java_import( + name = "dx_jar_import", + jars = ["build-tools/%s/lib/dx.jar" % build_tools_directory], + ) TAGDIR_TO_TAG_MAP = { "google_apis": "google", @@ -257,93 +258,101 @@ "android-wear": "wear", } - ARCHDIR_TO_ARCH_MAP = { "x86": "x86", "armeabi-v7a": "arm", } - def create_system_images_filegroups(system_image_dirs): - """Generate filegroups for the system images in the Android SDK. + """Generate filegroups for the system images in the Android SDK. - Args: - system_image_dirs: list of strings, the directories containing system image - files to be used to create android_device rules. - """ + Args: + system_image_dirs: list of strings, the directories containing system image + files to be used to create android_device rules. + """ - # These images will need to be updated as Android releases new system images. - # We are intentionally not adding future releases because there is no - # guarantee that they will work out of the box. Supported system images should - # be added here once they have been confirmed to work with the Bazel Android - # testing infrastructure. - system_images = [(tag, str(api), arch) - for tag in ["android", "google"] - for api in [10] + range(15, 20) + range(21, 27) - for arch in ("x86", "arm")] - tv_images = [("tv", str(api), arch) - for api in range(21, 25) for arch in ("x86", "arm")] - wear_images = [("wear", str(api), "x86") - for api in range(20, 26)] + [("wear", str(api), "arm") - for api in range(24, 26)] - supported_system_images = system_images + tv_images + wear_images + # These images will need to be updated as Android releases new system images. + # We are intentionally not adding future releases because there is no + # guarantee that they will work out of the box. Supported system images should + # be added here once they have been confirmed to work with the Bazel Android + # testing infrastructure. + system_images = [ + (tag, str(api), arch) + for tag in ["android", "google"] + for api in [10] + range(15, 20) + range(21, 27) + for arch in ("x86", "arm") + ] + tv_images = [ + ("tv", str(api), arch) + for api in range(21, 25) + for arch in ("x86", "arm") + ] + wear_images = [ + ("wear", str(api), "x86") + for api in range(20, 26) + ] + [ + ("wear", str(api), "arm") + for api in range(24, 26) + ] + supported_system_images = system_images + tv_images + wear_images - installed_system_images_dirs = {} - for system_image_dir in system_image_dirs: - apidir, tagdir, archdir = system_image_dir.split("/")[1:] - if "-" not in apidir: - continue - api = apidir.split("-")[1] # "android-24" --> "24", "android-O" --> "O" - if tagdir not in TAGDIR_TO_TAG_MAP: - continue - tag = TAGDIR_TO_TAG_MAP[tagdir] - if archdir not in ARCHDIR_TO_ARCH_MAP: - continue - arch = ARCHDIR_TO_ARCH_MAP[archdir] - if (tag, api, arch) in supported_system_images: - name = "emulator_images_%s_%s_%s" % (tag, api, arch) - installed_system_images_dirs[name] = system_image_dir - else: - # TODO(bazel-team): If the user has an unsupported system image installed, - # should we print a warning? This includes all 64-bit system-images. - pass + installed_system_images_dirs = {} + for system_image_dir in system_image_dirs: + apidir, tagdir, archdir = system_image_dir.split("/")[1:] + if "-" not in apidir: + continue + api = apidir.split("-")[1] # "android-24" --> "24", "android-O" --> "O" + if tagdir not in TAGDIR_TO_TAG_MAP: + continue + tag = TAGDIR_TO_TAG_MAP[tagdir] + if archdir not in ARCHDIR_TO_ARCH_MAP: + continue + arch = ARCHDIR_TO_ARCH_MAP[archdir] + if (tag, api, arch) in supported_system_images: + name = "emulator_images_%s_%s_%s" % (tag, api, arch) + installed_system_images_dirs[name] = system_image_dir + else: + # TODO(bazel-team): If the user has an unsupported system image installed, + # should we print a warning? This includes all 64-bit system-images. + pass - for (tag, api, arch) in supported_system_images: - name = "emulator_images_%s_%s_%s" % (tag, api, arch) - if name in installed_system_images_dirs: - system_image_dir = installed_system_images_dirs[name] - # For supported system images that exist in /sdk/system-images/, we - # create a filegroup with their contents. - native.filegroup( - name = name, - srcs = native.glob([ - "%s/**" % system_image_dir, - ]), - ) - native.filegroup( - name = "%s_qemu2_extra" % name, - srcs = native.glob(["%s/kernel-ranchu" % system_image_dir]), - ) - else: - # For supported system images that are not installed in the SDK, we - # create a "poison pill" genrule to display a helpful error message to - # a user who attempts to run a test against an android_device that - # they don't have the system image for installed. - native.genrule( - name = name, - outs = [ - # Necessary so that the build doesn't fail in analysis because - # android_device expects a file named source.properties. - "poison_pill_for_%s/source.properties" % name, - ], - cmd = """echo \ + for (tag, api, arch) in supported_system_images: + name = "emulator_images_%s_%s_%s" % (tag, api, arch) + if name in installed_system_images_dirs: + system_image_dir = installed_system_images_dirs[name] + + # For supported system images that exist in /sdk/system-images/, we + # create a filegroup with their contents. + native.filegroup( + name = name, + srcs = native.glob([ + "%s/**" % system_image_dir, + ]), + ) + native.filegroup( + name = "%s_qemu2_extra" % name, + srcs = native.glob(["%s/kernel-ranchu" % system_image_dir]), + ) + else: + # For supported system images that are not installed in the SDK, we + # create a "poison pill" genrule to display a helpful error message to + # a user who attempts to run a test against an android_device that + # they don't have the system image for installed. + native.genrule( + name = name, + outs = [ + # Necessary so that the build doesn't fail in analysis because + # android_device expects a file named source.properties. + "poison_pill_for_%s/source.properties" % name, + ], + cmd = """echo \ This rule requires that the Android SDK used by Bazel has the \ following system image installed: %s. Please install this system \ image through the Android SDK Manager and try again. ; \ exit 1 """ % name, - ) - native.filegroup( - name = "%s_qemu2_extra" % name, - srcs = [], - ) + ) + native.filegroup( + name = "%s_qemu2_extra" % name, + srcs = [], + )
diff --git a/tools/build_defs/apple/shared.bzl b/tools/build_defs/apple/shared.bzl index 0e3721f..440b179 100644 --- a/tools/build_defs/apple/shared.bzl +++ b/tools/build_defs/apple/shared.bzl
@@ -41,60 +41,55 @@ XCRUNWRAPPER_LABEL = "//external:xcrunwrapper" """The label for xcrunwrapper tool.""" - def label_scoped_path(ctx, path): - """Return the path scoped to target's label.""" - return ctx.label.name + "/" + path.lstrip("/") - + """Return the path scoped to target's label.""" + return ctx.label.name + "/" + path.lstrip("/") def module_cache_path(ctx): - """Returns the Clang module cache path to use for this rule.""" - return ctx.genfiles_dir.path + "/_objc_module_cache" - + """Returns the Clang module cache path to use for this rule.""" + return ctx.genfiles_dir.path + "/_objc_module_cache" def apple_action(ctx, **kw): - """Creates an action that only runs on MacOS/Darwin. + """Creates an action that only runs on MacOS/Darwin. - Call it similar to how you would call ctx.action: - apple_action(ctx, outputs=[...], inputs=[...],...) - """ - execution_requirements = dict(kw.get("execution_requirements", {})) - execution_requirements.update(DARWIN_EXECUTION_REQUIREMENTS) + Call it similar to how you would call ctx.action: + apple_action(ctx, outputs=[...], inputs=[...],...) + """ + execution_requirements = dict(kw.get("execution_requirements", {})) + execution_requirements.update(DARWIN_EXECUTION_REQUIREMENTS) - no_sandbox = kw.pop("no_sandbox", False) - if no_sandbox: - execution_requirements["nosandbox"] = "1" + no_sandbox = kw.pop("no_sandbox", False) + if no_sandbox: + execution_requirements["nosandbox"] = "1" - kw["execution_requirements"] = execution_requirements + kw["execution_requirements"] = execution_requirements - ctx.action(**kw) - + ctx.action(**kw) def xcrun_env(ctx): - """Returns the environment dictionary necessary to use xcrunwrapper.""" - platform = ctx.fragments.apple.single_arch_platform + """Returns the environment dictionary necessary to use xcrunwrapper.""" + platform = ctx.fragments.apple.single_arch_platform - if hasattr(apple_common, "apple_host_system_env"): - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - env = apple_common.target_apple_env(xcode_config, platform) - env.update(apple_common.apple_host_system_env(xcode_config)) - else: - env = ctx.fragments.apple.target_apple_env(platform) - env.update(ctx.fragments.apple.apple_host_system_env()) + if hasattr(apple_common, "apple_host_system_env"): + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + env = apple_common.target_apple_env(xcode_config, platform) + env.update(apple_common.apple_host_system_env(xcode_config)) + else: + env = ctx.fragments.apple.target_apple_env(platform) + env.update(ctx.fragments.apple.apple_host_system_env()) - return env - + return env def xcrun_action(ctx, **kw): - """Creates an apple action that executes xcrunwrapper. + """Creates an apple action that executes xcrunwrapper. - args: - ctx: The context of the rule that owns this action. + args: + ctx: The context of the rule that owns this action. - This method takes the same keyword arguments as ctx.action, however you don't - need to specify the executable. - """ - kw["env"] = dict(kw.get("env", {})) - kw["env"].update(xcrun_env(ctx)) + This method takes the same keyword arguments as ctx.action, however you don't + need to specify the executable. + """ + kw["env"] = dict(kw.get("env", {})) + kw["env"].update(xcrun_env(ctx)) - apple_action(ctx, executable=ctx.executable._xcrunwrapper, **kw) + apple_action(ctx, executable = ctx.executable._xcrunwrapper, **kw)
diff --git a/tools/build_defs/docker/build.bzl b/tools/build_defs/docker/build.bzl index bd9da71..9399b0d 100644 --- a/tools/build_defs/docker/build.bzl +++ b/tools/build_defs/docker/build.bzl
@@ -13,317 +13,344 @@ # limitations under the License. """Rule for building a Docker image.""" -load(":filetype.bzl", - tar_filetype="tar", - deb_filetype="deb", - docker_filetype="docker") -load("//tools/build_defs/hash:hash.bzl", - _hash_tools="tools", _sha256="sha256") -load(":label.bzl", _string_to_label="string_to_label") -load(":layers.bzl", - _assemble_image="assemble", - _get_layers="get_from_target", - _incr_load="incremental_load", - _layer_tools="tools") +load( + ":filetype.bzl", + deb_filetype = "deb", + docker_filetype = "docker", + tar_filetype = "tar", +) +load( + "//tools/build_defs/hash:hash.bzl", + _hash_tools = "tools", + _sha256 = "sha256", +) +load(":label.bzl", _string_to_label = "string_to_label") +load( + ":layers.bzl", + _assemble_image = "assemble", + _get_layers = "get_from_target", + _incr_load = "incremental_load", + _layer_tools = "tools", +) load(":list.bzl", "reverse") -load(":path.bzl", - "dirname", "strip_prefix", - _join_path="join", - _canonicalize_path="canonicalize") -load(":serialize.bzl", _serialize_dict="dict_to_associative_list") - +load( + ":path.bzl", + "dirname", + "strip_prefix", + _canonicalize_path = "canonicalize", + _join_path = "join", +) +load(":serialize.bzl", _serialize_dict = "dict_to_associative_list") def _build_layer(ctx): - """Build the current layer for appending it the base layer.""" + """Build the current layer for appending it the base layer.""" - layer = ctx.new_file(ctx.label.name + ".layer") - build_layer = ctx.executable.build_layer - args = [ - "--output=" + layer.path, - "--directory=" + ctx.attr.directory, - "--mode=" + ctx.attr.mode, - ] + layer = ctx.new_file(ctx.label.name + ".layer") + build_layer = ctx.executable.build_layer + args = [ + "--output=" + layer.path, + "--directory=" + ctx.attr.directory, + "--mode=" + ctx.attr.mode, + ] - if ctx.attr.data_path: - # If data_prefix is specified, then add files relative to that. - data_path = _join_path( - dirname(ctx.outputs.out.short_path), - _canonicalize_path(ctx.attr.data_path)) - args += ["--file=%s=%s" % (f.path, strip_prefix(f.short_path, data_path)) - for f in ctx.files.files] - else: - # Otherwise, files are added without a directory prefix at all. - args += ["--file=%s=%s" % (f.path, f.basename) - for f in ctx.files.files] + if ctx.attr.data_path: + # If data_prefix is specified, then add files relative to that. + data_path = _join_path( + dirname(ctx.outputs.out.short_path), + _canonicalize_path(ctx.attr.data_path), + ) + args += [ + "--file=%s=%s" % (f.path, strip_prefix(f.short_path, data_path)) + for f in ctx.files.files + ] + else: + # Otherwise, files are added without a directory prefix at all. + args += [ + "--file=%s=%s" % (f.path, f.basename) + for f in ctx.files.files + ] - args += ["--tar=" + f.path for f in ctx.files.tars] - args += ["--deb=" + f.path for f in ctx.files.debs if f.path.endswith(".deb")] - args += ["--link=%s:%s" % (k, ctx.attr.symlinks[k]) - for k in ctx.attr.symlinks] - arg_file = ctx.new_file(ctx.label.name + ".layer.args") - ctx.file_action(arg_file, "\n".join(args)) + args += ["--tar=" + f.path for f in ctx.files.tars] + args += ["--deb=" + f.path for f in ctx.files.debs if f.path.endswith(".deb")] + args += [ + "--link=%s:%s" % (k, ctx.attr.symlinks[k]) + for k in ctx.attr.symlinks + ] + arg_file = ctx.new_file(ctx.label.name + ".layer.args") + ctx.file_action(arg_file, "\n".join(args)) - ctx.action( - executable = build_layer, - arguments = ["--flagfile=" + arg_file.path], - inputs = ctx.files.files + ctx.files.tars + ctx.files.debs + [arg_file], - outputs = [layer], - use_default_shell_env=True, - mnemonic="DockerLayer" - ) - return layer - + ctx.action( + executable = build_layer, + arguments = ["--flagfile=" + arg_file.path], + inputs = ctx.files.files + ctx.files.tars + ctx.files.debs + [arg_file], + outputs = [layer], + use_default_shell_env = True, + mnemonic = "DockerLayer", + ) + return layer # TODO(mattmoor): In a future change, we should establish the invariant that # base must expose "docker_layers", possibly by hoisting a "docker_load" rule # from a tarball "base". def _get_base_artifact(ctx): - if ctx.files.base: - if hasattr(ctx.attr.base, "docker_layers"): - # The base is the first layer in docker_layers if provided. - return _get_layers(ctx, ctx.attr.base)[0]["layer"] - if len(ctx.files.base) != 1: - fail("base attribute should be a single tar file.") - return ctx.files.base[0] - + if ctx.files.base: + if hasattr(ctx.attr.base, "docker_layers"): + # The base is the first layer in docker_layers if provided. + return _get_layers(ctx, ctx.attr.base)[0]["layer"] + if len(ctx.files.base) != 1: + fail("base attribute should be a single tar file.") + return ctx.files.base[0] def _image_config(ctx, layer_names): - """Create the configuration for a new docker image.""" - config = ctx.new_file(ctx.label.name + ".config") + """Create the configuration for a new docker image.""" + config = ctx.new_file(ctx.label.name + ".config") - label_file_dict = _string_to_label( - ctx.files.label_files, ctx.attr.label_file_strings) + label_file_dict = _string_to_label( + ctx.files.label_files, + ctx.attr.label_file_strings, + ) - labels = dict() - for l in ctx.attr.labels: - fname = ctx.attr.labels[l] - if fname[0] == "@": - labels[l] = "@" + label_file_dict[fname[1:]].path - else: - labels[l] = fname + labels = dict() + for l in ctx.attr.labels: + fname = ctx.attr.labels[l] + if fname[0] == "@": + labels[l] = "@" + label_file_dict[fname[1:]].path + else: + labels[l] = fname - args = [ - "--output=%s" % config.path, - "--entrypoint=%s" % ",".join(ctx.attr.entrypoint), - "--command=%s" % ",".join(ctx.attr.cmd), - "--labels=%s" % _serialize_dict(labels), - "--env=%s" % _serialize_dict(ctx.attr.env), - "--ports=%s" % ",".join(ctx.attr.ports), - "--volumes=%s" % ",".join(ctx.attr.volumes) - ] - if ctx.attr.user: - args += ["--user=" + ctx.attr.user] - if ctx.attr.workdir: - args += ["--workdir=" + ctx.attr.workdir] + args = [ + "--output=%s" % config.path, + "--entrypoint=%s" % ",".join(ctx.attr.entrypoint), + "--command=%s" % ",".join(ctx.attr.cmd), + "--labels=%s" % _serialize_dict(labels), + "--env=%s" % _serialize_dict(ctx.attr.env), + "--ports=%s" % ",".join(ctx.attr.ports), + "--volumes=%s" % ",".join(ctx.attr.volumes), + ] + if ctx.attr.user: + args += ["--user=" + ctx.attr.user] + if ctx.attr.workdir: + args += ["--workdir=" + ctx.attr.workdir] - inputs = layer_names - args += ["--layer=@" + l.path for l in layer_names] + inputs = layer_names + args += ["--layer=@" + l.path for l in layer_names] - if ctx.attr.label_files: - inputs += ctx.files.label_files + if ctx.attr.label_files: + inputs += ctx.files.label_files - base = _get_base_artifact(ctx) - if base: - args += ["--base=%s" % base.path] - inputs += [base] + base = _get_base_artifact(ctx) + if base: + args += ["--base=%s" % base.path] + inputs += [base] - ctx.action( - executable = ctx.executable.create_image_config, - arguments = args, - inputs = inputs, - outputs = [config], - use_default_shell_env=True, - mnemonic = "ImageConfig") - return config - + ctx.action( + executable = ctx.executable.create_image_config, + arguments = args, + inputs = inputs, + outputs = [config], + use_default_shell_env = True, + mnemonic = "ImageConfig", + ) + return config def _metadata_action(ctx, layer, name, output): - """Generate the action to create the JSON metadata for the layer.""" - rewrite_tool = ctx.executable.rewrite_tool + """Generate the action to create the JSON metadata for the layer.""" + rewrite_tool = ctx.executable.rewrite_tool - label_file_dict = _string_to_label( - ctx.files.label_files, ctx.attr.label_file_strings) + label_file_dict = _string_to_label( + ctx.files.label_files, + ctx.attr.label_file_strings, + ) - labels = dict() - for l in ctx.attr.labels: - fname = ctx.attr.labels[l] - if fname[0] == "@": - labels[l] = "@" + label_file_dict[fname[1:]].path - else: - labels[l] = fname + labels = dict() + for l in ctx.attr.labels: + fname = ctx.attr.labels[l] + if fname[0] == "@": + labels[l] = "@" + label_file_dict[fname[1:]].path + else: + labels[l] = fname - args = [ - "--output=%s" % output.path, - "--layer=%s" % layer.path, - "--name=@%s" % name.path, - "--entrypoint=%s" % ",".join(ctx.attr.entrypoint), - "--command=%s" % ",".join(ctx.attr.cmd), - "--labels=%s" % _serialize_dict(labels), - "--env=%s" % _serialize_dict(ctx.attr.env), - "--ports=%s" % ",".join(ctx.attr.ports), - "--volumes=%s" % ",".join(ctx.attr.volumes) - ] - if ctx.attr.workdir: - args += ["--workdir=" + ctx.attr.workdir] - inputs = [layer, rewrite_tool, name] - if ctx.attr.label_files: - inputs += ctx.files.label_files + args = [ + "--output=%s" % output.path, + "--layer=%s" % layer.path, + "--name=@%s" % name.path, + "--entrypoint=%s" % ",".join(ctx.attr.entrypoint), + "--command=%s" % ",".join(ctx.attr.cmd), + "--labels=%s" % _serialize_dict(labels), + "--env=%s" % _serialize_dict(ctx.attr.env), + "--ports=%s" % ",".join(ctx.attr.ports), + "--volumes=%s" % ",".join(ctx.attr.volumes), + ] + if ctx.attr.workdir: + args += ["--workdir=" + ctx.attr.workdir] + inputs = [layer, rewrite_tool, name] + if ctx.attr.label_files: + inputs += ctx.files.label_files - # TODO(mattmoor): Does this properly handle naked tarballs? - base = _get_base_artifact(ctx) - if base: - args += ["--base=%s" % base.path] - inputs += [base] - if ctx.attr.user: - args += ["--user=" + ctx.attr.user] + # TODO(mattmoor): Does this properly handle naked tarballs? + base = _get_base_artifact(ctx) + if base: + args += ["--base=%s" % base.path] + inputs += [base] + if ctx.attr.user: + args += ["--user=" + ctx.attr.user] - ctx.action( - executable = rewrite_tool, - arguments = args, - inputs = inputs, - outputs = [output], - use_default_shell_env=True, - mnemonic = "RewriteJSON") - + ctx.action( + executable = rewrite_tool, + arguments = args, + inputs = inputs, + outputs = [output], + use_default_shell_env = True, + mnemonic = "RewriteJSON", + ) def _metadata(ctx, layer, name): - """Create the metadata for the new docker image.""" - metadata = ctx.new_file(ctx.label.name + ".metadata") - _metadata_action(ctx, layer, name, metadata) - return metadata - + """Create the metadata for the new docker image.""" + metadata = ctx.new_file(ctx.label.name + ".metadata") + _metadata_action(ctx, layer, name, metadata) + return metadata def _compute_layer_name(ctx, layer): - """Compute the layer's name. + """Compute the layer's name. - This function synthesize a version of its metadata where in place - of its final name, we use the SHA256 of the layer blob. + This function synthesize a version of its metadata where in place + of its final name, we use the SHA256 of the layer blob. - This makes the name of the layer a function of: - - Its layer's SHA256 - - Its metadata - - Its parent's name. - Assuming the parent's name is derived by this same rigor, then - a simple induction proves the content addressability. + This makes the name of the layer a function of: + - Its layer's SHA256 + - Its metadata + - Its parent's name. + Assuming the parent's name is derived by this same rigor, then + a simple induction proves the content addressability. - Args: - ctx: Rule context. - layer: The layer's artifact for which to compute the name. - Returns: - The artifact that will contains the name for the layer. - """ - metadata = ctx.new_file(ctx.label.name + ".metadata-name") - layer_sha = _sha256(ctx, layer) - _metadata_action(ctx, layer, layer_sha, metadata) - return _sha256(ctx, metadata) - + Args: + ctx: Rule context. + layer: The layer's artifact for which to compute the name. + Returns: + The artifact that will contains the name for the layer. + """ + metadata = ctx.new_file(ctx.label.name + ".metadata-name") + layer_sha = _sha256(ctx, layer) + _metadata_action(ctx, layer, layer_sha, metadata) + return _sha256(ctx, metadata) def _repository_name(ctx): - """Compute the repository name for the current rule.""" - if ctx.attr.legacy_repository_naming: - # Legacy behavior, off by default. - return _join_path(ctx.attr.repository, ctx.label.package.replace("/", "_")) - # Newer Docker clients support multi-level names, which are a part of - # the v2 registry specification. - return _join_path(ctx.attr.repository, ctx.label.package) + """Compute the repository name for the current rule.""" + if ctx.attr.legacy_repository_naming: + # Legacy behavior, off by default. + return _join_path(ctx.attr.repository, ctx.label.package.replace("/", "_")) + # Newer Docker clients support multi-level names, which are a part of + # the v2 registry specification. + return _join_path(ctx.attr.repository, ctx.label.package) def _create_image(ctx, layers, identifier, config, name, metadata, tags): - """Create the new image.""" - args = [ - "--output=" + ctx.outputs.layer.path, - "--id=@" + identifier.path, - "--config=" + config.path, - ] + ["--tag=" + tag for tag in tags] + """Create the new image.""" + args = [ + "--output=" + ctx.outputs.layer.path, + "--id=@" + identifier.path, + "--config=" + config.path, + ] + ["--tag=" + tag for tag in tags] - args += ["--layer=@%s=%s" % (l["name"].path, l["layer"].path) for l in layers] - inputs = [identifier, config] + [l["name"] for l in layers] + [l["layer"] for l in layers] + args += ["--layer=@%s=%s" % (l["name"].path, l["layer"].path) for l in layers] + inputs = [identifier, config] + [l["name"] for l in layers] + [l["layer"] for l in layers] - if name: - args += ["--legacy_id=@" + name.path] - inputs += [name] + if name: + args += ["--legacy_id=@" + name.path] + inputs += [name] - if metadata: - args += ["--metadata=" + metadata.path] - inputs += [metadata] + if metadata: + args += ["--metadata=" + metadata.path] + inputs += [metadata] - # If we have been provided a base image, add it. - if ctx.attr.base and not hasattr(ctx.attr.base, "docker_layers"): - legacy_base = _get_base_artifact(ctx) - if legacy_base: - args += ["--legacy_base=%s" % legacy_base.path] - inputs += [legacy_base] + # If we have been provided a base image, add it. + if ctx.attr.base and not hasattr(ctx.attr.base, "docker_layers"): + legacy_base = _get_base_artifact(ctx) + if legacy_base: + args += ["--legacy_base=%s" % legacy_base.path] + inputs += [legacy_base] - # TODO(mattmoor): Does this properly handle naked tarballs? (excl. above) - base = _get_base_artifact(ctx) - if base: - args += ["--base=%s" % base.path] - inputs += [base] - ctx.action( - executable = ctx.executable.create_image, - arguments = args, - inputs = inputs, - outputs = [ctx.outputs.layer], - mnemonic = "CreateImage", - ) - + # TODO(mattmoor): Does this properly handle naked tarballs? (excl. above) + base = _get_base_artifact(ctx) + if base: + args += ["--base=%s" % base.path] + inputs += [base] + ctx.action( + executable = ctx.executable.create_image, + arguments = args, + inputs = inputs, + outputs = [ctx.outputs.layer], + mnemonic = "CreateImage", + ) def _docker_build_impl(ctx): - """Implementation for the docker_build rule.""" - layer = _build_layer(ctx) - layer_sha = _sha256(ctx, layer) + """Implementation for the docker_build rule.""" + layer = _build_layer(ctx) + layer_sha = _sha256(ctx, layer) - config = _image_config(ctx, [layer_sha]) - identifier = _sha256(ctx, config) + config = _image_config(ctx, [layer_sha]) + identifier = _sha256(ctx, config) - name = _compute_layer_name(ctx, layer) - metadata = _metadata(ctx, layer, name) + name = _compute_layer_name(ctx, layer) + metadata = _metadata(ctx, layer, name) - # Construct a temporary name based on the build target. - tags = [_repository_name(ctx) + ":" + ctx.label.name] + # Construct a temporary name based on the build target. + tags = [_repository_name(ctx) + ":" + ctx.label.name] - # creating a partial image so only pass the layers that belong to it - image_layer = {"layer": layer, "name": layer_sha} - _create_image(ctx, [image_layer], identifier, config, name, metadata, tags) + # creating a partial image so only pass the layers that belong to it + image_layer = {"layer": layer, "name": layer_sha} + _create_image(ctx, [image_layer], identifier, config, name, metadata, tags) - # Compute the layers transitive provider. - # This must includes all layers of the image, including: - # - The layer introduced by this rule. - # - The layers transitively introduced by docker_build deps. - # - Layers introduced by a static tarball base. - # This is because downstream tooling should just be able to depend on - # the availability and completeness of this field. - layers = [ - {"layer": ctx.outputs.layer, "id": identifier, "name": name} - ] + _get_layers(ctx, ctx.attr.base) + # Compute the layers transitive provider. + # This must includes all layers of the image, including: + # - The layer introduced by this rule. + # - The layers transitively introduced by docker_build deps. + # - Layers introduced by a static tarball base. + # This is because downstream tooling should just be able to depend on + # the availability and completeness of this field. + layers = [ + {"layer": ctx.outputs.layer, "id": identifier, "name": name}, + ] + _get_layers(ctx, ctx.attr.base) - # Generate the incremental load statement - _incr_load(ctx, layers, {tag_name: {"name": name, "id": identifier} - for tag_name in tags}, - ctx.outputs.executable) + # Generate the incremental load statement + _incr_load( + ctx, + layers, + { + tag_name: {"name": name, "id": identifier} + for tag_name in tags + }, + ctx.outputs.executable, + ) - _assemble_image(ctx, reverse(layers), {tag_name: name for tag_name in tags}, - ctx.outputs.out) - runfiles = ctx.runfiles( - files = ([l["name"] for l in layers] + - [l["id"] for l in layers] + - [l["layer"] for l in layers])) - return struct(runfiles = runfiles, - files = depset([ctx.outputs.layer]), - docker_layers = layers) - + _assemble_image( + ctx, + reverse(layers), + {tag_name: name for tag_name in tags}, + ctx.outputs.out, + ) + runfiles = ctx.runfiles( + files = ([l["name"] for l in layers] + + [l["id"] for l in layers] + + [l["layer"] for l in layers]), + ) + return struct( + runfiles = runfiles, + files = depset([ctx.outputs.layer]), + docker_layers = layers, + ) docker_build_ = rule( implementation = _docker_build_impl, attrs = dict({ - "base": attr.label(allow_files=docker_filetype), + "base": attr.label(allow_files = docker_filetype), "data_path": attr.string(), - "directory": attr.string(default="/"), - "tars": attr.label_list(allow_files=tar_filetype), - "debs": attr.label_list(allow_files=deb_filetype), - "files": attr.label_list(allow_files=True), - "legacy_repository_naming": attr.bool(default=False), - "mode": attr.string(default="0555"), + "directory": attr.string(default = "/"), + "tars": attr.label_list(allow_files = tar_filetype), + "debs": attr.label_list(allow_files = deb_filetype), + "files": attr.label_list(allow_files = True), + "legacy_repository_naming": attr.bool(default = False), + "mode": attr.string(default = "0555"), "symlinks": attr.string_dict(), "entrypoint": attr.string_list(), "cmd": attr.string_list(), @@ -333,38 +360,43 @@ "ports": attr.string_list(), # Skylark doesn't support int_list... "volumes": attr.string_list(), "workdir": attr.string(), - "repository": attr.string(default="bazel"), + "repository": attr.string(default = "bazel"), # Implicit dependencies. "label_files": attr.label_list( - allow_files=True), + allow_files = True, + ), "label_file_strings": attr.string_list(), "build_layer": attr.label( - default=Label("//tools/build_defs/pkg:build_tar"), - cfg="host", - executable=True, - allow_files=True), + default = Label("//tools/build_defs/pkg:build_tar"), + cfg = "host", + executable = True, + allow_files = True, + ), "create_image": attr.label( - default=Label("//tools/build_defs/docker:create_image"), - cfg="host", - executable=True, - allow_files=True), + default = Label("//tools/build_defs/docker:create_image"), + cfg = "host", + executable = True, + allow_files = True, + ), "rewrite_tool": attr.label( - default=Label("//tools/build_defs/docker:rewrite_json"), - cfg="host", - executable=True, - allow_files=True), + default = Label("//tools/build_defs/docker:rewrite_json"), + cfg = "host", + executable = True, + allow_files = True, + ), "create_image_config": attr.label( - default=Label("//tools/build_defs/docker:create_image_config"), - cfg="host", - executable=True, - allow_files=True) + default = Label("//tools/build_defs/docker:create_image_config"), + cfg = "host", + executable = True, + allow_files = True, + ), }.items() + _hash_tools.items() + _layer_tools.items()), outputs = { "out": "%{name}.tar", "layer": "%{name}-layer.tar", }, - executable = True) - + executable = True, +) # This validates the two forms of value accepted by # ENTRYPOINT and CMD, turning them into a canonical @@ -387,15 +419,14 @@ # ], # NOTE: prefacing a command with 'exec' just ends up with the former def _validate_command(name, argument): - if type(argument) == "string": - return ["/bin/sh", "-c", argument] - elif type(argument) == "list": - return argument - elif argument: - fail("The %s attribute must be a string or list, if specified." % name) - else: - return None - + if type(argument) == "string": + return ["/bin/sh", "-c", argument] + elif type(argument) == "list": + return argument + elif argument: + fail("The %s attribute must be a string or list, if specified." % name) + else: + return None # Produces a new docker image tarball compatible with 'docker load', which # is a single additional layer atop 'base'. The goal is to have relatively @@ -472,39 +503,39 @@ # }, # ) def docker_build(**kwargs): - """Package a docker image. + """Package a docker image. - This rule generates a sequence of genrules the last of which is named 'name', - so the dependency graph works out properly. The output of this rule is a - tarball compatible with 'docker save/load' with the structure: - {layer-name}: - layer.tar - VERSION - json - {image-config-sha256}.json - ... - manifest.json - repositories - top # an implementation detail of our rules, not consumed by Docker. - This rule appends a single new layer to the tarball of this form provided - via the 'base' parameter. + This rule generates a sequence of genrules the last of which is named 'name', + so the dependency graph works out properly. The output of this rule is a + tarball compatible with 'docker save/load' with the structure: + {layer-name}: + layer.tar + VERSION + json + {image-config-sha256}.json + ... + manifest.json + repositories + top # an implementation detail of our rules, not consumed by Docker. + This rule appends a single new layer to the tarball of this form provided + via the 'base' parameter. - The images produced by this rule are always named 'bazel/tmp:latest' when - loaded (an internal detail). The expectation is that the images produced - by these rules will be uploaded using the 'docker_push' rule below. + The images produced by this rule are always named 'bazel/tmp:latest' when + loaded (an internal detail). The expectation is that the images produced + by these rules will be uploaded using the 'docker_push' rule below. - Args: - **kwargs: See above. - """ - if "cmd" in kwargs: - kwargs["cmd"] = _validate_command("cmd", kwargs["cmd"]) - for reserved in ["label_files", "label_file_strings"]: - if reserved in kwargs: - fail("reserved for internal use by docker_build macro", attr=reserved) - if "labels" in kwargs: - files = sorted(depset([v[1:] for v in kwargs["labels"].values() if v[0] == "@"])) - kwargs["label_files"] = files - kwargs["label_file_strings"] = files - if "entrypoint" in kwargs: - kwargs["entrypoint"] = _validate_command("entrypoint", kwargs["entrypoint"]) - docker_build_(**kwargs) + Args: + **kwargs: See above. + """ + if "cmd" in kwargs: + kwargs["cmd"] = _validate_command("cmd", kwargs["cmd"]) + for reserved in ["label_files", "label_file_strings"]: + if reserved in kwargs: + fail("reserved for internal use by docker_build macro", attr = reserved) + if "labels" in kwargs: + files = sorted(depset([v[1:] for v in kwargs["labels"].values() if v[0] == "@"])) + kwargs["label_files"] = files + kwargs["label_file_strings"] = files + if "entrypoint" in kwargs: + kwargs["entrypoint"] = _validate_command("entrypoint", kwargs["entrypoint"]) + docker_build_(**kwargs)
diff --git a/tools/build_defs/docker/bundle.bzl b/tools/build_defs/docker/bundle.bzl index 7aca215..f2ad413 100644 --- a/tools/build_defs/docker/bundle.bzl +++ b/tools/build_defs/docker/bundle.bzl
@@ -13,72 +13,77 @@ # limitations under the License. """Rule for bundling Docker images into a tarball.""" -load(":label.bzl", _string_to_label="string_to_label") -load(":layers.bzl", - _assemble_image="assemble", - _get_layers="get_from_target", - _incr_load="incremental_load", - _layer_tools="tools") +load(":label.bzl", _string_to_label = "string_to_label") +load( + ":layers.bzl", + _assemble_image = "assemble", + _get_layers = "get_from_target", + _incr_load = "incremental_load", + _layer_tools = "tools", +) load(":list.bzl", "reverse") - def _docker_bundle_impl(ctx): - """Implementation for the docker_bundle rule.""" + """Implementation for the docker_bundle rule.""" - # Compute the set of layers from the image_targes. - image_target_dict = _string_to_label( - ctx.attr.image_targets, ctx.attr.image_target_strings) + # Compute the set of layers from the image_targes. + image_target_dict = _string_to_label( + ctx.attr.image_targets, + ctx.attr.image_target_strings, + ) - seen_names = [] - layers = [] - for image in ctx.attr.image_targets: - # TODO(mattmoor): Add support for naked tarballs. - for layer in _get_layers(ctx, image): - if layer["name"].path in seen_names: - continue - seen_names.append(layer["name"].path) - layers.append(layer) + seen_names = [] + layers = [] + for image in ctx.attr.image_targets: + # TODO(mattmoor): Add support for naked tarballs. + for layer in _get_layers(ctx, image): + if layer["name"].path in seen_names: + continue + seen_names.append(layer["name"].path) + layers.append(layer) - images = dict() - for unresolved_tag in ctx.attr.images: - # Allow users to put make variables into the tag name. - tag = ctx.expand_make_variables("images", unresolved_tag, {}) + images = dict() + for unresolved_tag in ctx.attr.images: + # Allow users to put make variables into the tag name. + tag = ctx.expand_make_variables("images", unresolved_tag, {}) - target = ctx.attr.images[unresolved_tag] - target = image_target_dict[target] - images[tag] = _get_layers(ctx, target)[0] + target = ctx.attr.images[unresolved_tag] + target = image_target_dict[target] + images[tag] = _get_layers(ctx, target)[0] - _incr_load(ctx, layers, images, ctx.outputs.executable) + _incr_load(ctx, layers, images, ctx.outputs.executable) - _assemble_image(ctx, reverse(layers), { - # Create a new dictionary with the same keyspace that - # points to the name of the layer. - k: images[k]["name"] - for k in images - }, ctx.outputs.out) + _assemble_image(ctx, reverse(layers), { + # Create a new dictionary with the same keyspace that + # points to the name of the layer. + k: images[k]["name"] + for k in images + }, ctx.outputs.out) - runfiles = ctx.runfiles( - files = ([l["name"] for l in layers] + - [l["id"] for l in layers] + - [l["layer"] for l in layers])) + runfiles = ctx.runfiles( + files = ([l["name"] for l in layers] + + [l["id"] for l in layers] + + [l["layer"] for l in layers]), + ) - return struct(runfiles = runfiles, - files = depset()) - + return struct( + runfiles = runfiles, + files = depset(), + ) docker_bundle_ = rule( implementation = _docker_bundle_impl, attrs = dict({ "images": attr.string_dict(), # Implicit dependencies. - "image_targets": attr.label_list(allow_files=True), + "image_targets": attr.label_list(allow_files = True), "image_target_strings": attr.string_list(), }.items() + _layer_tools.items()), outputs = { "out": "%{name}.tar", }, - executable = True) - + executable = True, +) # Produces a new docker image tarball compatible with 'docker load', which # contains the N listed 'images', each aliased with their key. @@ -92,17 +97,17 @@ # } # ) def docker_bundle(**kwargs): - """Package several docker images into a single tarball. + """Package several docker images into a single tarball. - Args: - **kwargs: See above. - """ - for reserved in ["image_targets", "image_target_strings"]: - if reserved in kwargs: - fail("reserved for internal use by docker_bundle macro", attr=reserved) + Args: + **kwargs: See above. + """ + for reserved in ["image_targets", "image_target_strings"]: + if reserved in kwargs: + fail("reserved for internal use by docker_bundle macro", attr = reserved) - if "images" in kwargs: - kwargs["image_targets"] = kwargs["images"].values() - kwargs["image_target_strings"] = kwargs["images"].values() + if "images" in kwargs: + kwargs["image_targets"] = kwargs["images"].values() + kwargs["image_target_strings"] = kwargs["images"].values() - docker_bundle_(**kwargs) + docker_bundle_(**kwargs)
diff --git a/tools/build_defs/docker/label.bzl b/tools/build_defs/docker/label.bzl index 8297f45..5842384 100644 --- a/tools/build_defs/docker/label.bzl +++ b/tools/build_defs/docker/label.bzl
@@ -14,10 +14,10 @@ """Rules for dealing with labels and their string form.""" def string_to_label(label_list, string_list): - """Form a mapping from label strings to the resolved label.""" - label_string_dict = dict() - for i in range(len(label_list)): - string = string_list[i] - label = label_list[i] - label_string_dict[string] = label - return label_string_dict + """Form a mapping from label strings to the resolved label.""" + label_string_dict = dict() + for i in range(len(label_list)): + string = string_list[i] + label = label_list[i] + label_string_dict[string] = label + return label_string_dict
diff --git a/tools/build_defs/docker/layers.bzl b/tools/build_defs/docker/layers.bzl index e011f02..7ca2409 100644 --- a/tools/build_defs/docker/layers.bzl +++ b/tools/build_defs/docker/layers.bzl
@@ -14,68 +14,72 @@ """Tools for dealing with Docker Image layers.""" load(":list.bzl", "reverse") -load(":path.bzl", _get_runfile_path="runfile") +load(":path.bzl", _get_runfile_path = "runfile") def get_from_target(unused_ctx, target): - if hasattr(target, "docker_layers"): - return target.docker_layers - else: - # TODO(mattmoor): Use containerregistry.client's FromTarball - # to create an entry from a tarball base image. - return [] - + if hasattr(target, "docker_layers"): + return target.docker_layers + else: + # TODO(mattmoor): Use containerregistry.client's FromTarball + # to create an entry from a tarball base image. + return [] def assemble(ctx, layers, tags_to_names, output): - """Create the full image from the list of layers.""" - layers = [l["layer"] for l in layers] - args = [ - "--output=" + output.path, - ] + [ - "--tags=" + tag + "=@" + tags_to_names[tag].path - for tag in tags_to_names - ] + ["--layer=" + l.path for l in layers] - inputs = layers + tags_to_names.values() - ctx.action( - executable = ctx.executable.join_layers, - arguments = args, - inputs = inputs, - outputs = [output], - mnemonic = "JoinLayers" - ) - + """Create the full image from the list of layers.""" + layers = [l["layer"] for l in layers] + args = [ + "--output=" + output.path, + ] + [ + "--tags=" + tag + "=@" + tags_to_names[tag].path + for tag in tags_to_names + ] + ["--layer=" + l.path for l in layers] + inputs = layers + tags_to_names.values() + ctx.action( + executable = ctx.executable.join_layers, + arguments = args, + inputs = inputs, + outputs = [output], + mnemonic = "JoinLayers", + ) def incremental_load(ctx, layers, images, output): - """Generate the incremental load statement.""" - ctx.template_action( - template = ctx.file.incremental_load_template, - substitutions = { - "%{load_statements}": "\n".join([ - "incr_load '%s' '%s' '%s'" % (_get_runfile_path(ctx, l["name"]), - _get_runfile_path(ctx, l["id"]), - _get_runfile_path(ctx, l["layer"])) - # The last layer is the first in the list of layers. - # We reverse to load the layer from the parent to the child. - for l in reverse(layers)]), - "%{tag_statements}": "\n".join([ - "tag_layer '%s' '%s' '%s'" % ( - img, - _get_runfile_path(ctx, images[img]["name"]), - _get_runfile_path(ctx, images[img]["id"])) - for img in images - ]) - }, - output = output, - executable = True) - + """Generate the incremental load statement.""" + ctx.template_action( + template = ctx.file.incremental_load_template, + substitutions = { + "%{load_statements}": "\n".join([ + "incr_load '%s' '%s' '%s'" % ( + _get_runfile_path(ctx, l["name"]), + _get_runfile_path(ctx, l["id"]), + _get_runfile_path(ctx, l["layer"]), + ) + # The last layer is the first in the list of layers. + # We reverse to load the layer from the parent to the child. + for l in reverse(layers) + ]), + "%{tag_statements}": "\n".join([ + "tag_layer '%s' '%s' '%s'" % ( + img, + _get_runfile_path(ctx, images[img]["name"]), + _get_runfile_path(ctx, images[img]["id"]), + ) + for img in images + ]), + }, + output = output, + executable = True, + ) tools = { "incremental_load_template": attr.label( - default=Label("//tools/build_defs/docker:incremental_load_template"), - single_file=True, - allow_files=True), + default = Label("//tools/build_defs/docker:incremental_load_template"), + single_file = True, + allow_files = True, + ), "join_layers": attr.label( - default=Label("//tools/build_defs/docker:join_layers"), - cfg="host", - executable=True, - allow_files=True) + default = Label("//tools/build_defs/docker:join_layers"), + cfg = "host", + executable = True, + allow_files = True, + ), }
diff --git a/tools/build_defs/docker/list.bzl b/tools/build_defs/docker/list.bzl index 21036a7..f10e1179 100644 --- a/tools/build_defs/docker/list.bzl +++ b/tools/build_defs/docker/list.bzl
@@ -13,9 +13,8 @@ # limitations under the License. """Methods for manipulating lists.""" - def reverse(lst): - result = [] - for el in lst: - result = [el] + result - return result + result = [] + for el in lst: + result = [el] + result + return result
diff --git a/tools/build_defs/docker/path.bzl b/tools/build_defs/docker/path.bzl index 03cd415..4e9f13a 100644 --- a/tools/build_defs/docker/path.bzl +++ b/tools/build_defs/docker/path.bzl
@@ -13,57 +13,53 @@ # limitations under the License. """Rules for manipulating paths.""" - def dirname(path): - """Returns the directory's name.""" - last_sep = path.rfind("/") - if last_sep == -1: - return "" # The artifact is at the top level. - return path[:last_sep] - + """Returns the directory's name.""" + last_sep = path.rfind("/") + if last_sep == -1: + return "" # The artifact is at the top level. + return path[:last_sep] def join(directory, path): - """Compute the relative data path prefix from the data_path attribute.""" - if not path: - return directory - if path[0] == "/": - return path[1:] - if directory == "/": - return path - return directory + "/" + path - + """Compute the relative data path prefix from the data_path attribute.""" + if not path: + return directory + if path[0] == "/": + return path[1:] + if directory == "/": + return path + return directory + "/" + path def canonicalize(path): - """Canonicalize the input path.""" - if not path: - return path - # Strip ./ from the beginning if specified. - # There is no way to handle .// correctly (no function that would make - # that possible and Skylark is not turing complete) so just consider it - # as an absolute path. A path of / should preserve the entire - # path up to the repository root. - if path == "/": - return path - if len(path) >= 2 and path[0:2] == "./": - path = path[2:] - if not path or path == ".": # Relative to current package - return "" - elif path[0] == "/": # Absolute path - return path - else: # Relative to a sub-directory - return path + """Canonicalize the input path.""" + if not path: + return path + # Strip ./ from the beginning if specified. + # There is no way to handle .// correctly (no function that would make + # that possible and Skylark is not turing complete) so just consider it + # as an absolute path. A path of / should preserve the entire + # path up to the repository root. + if path == "/": + return path + if len(path) >= 2 and path[0:2] == "./": + path = path[2:] + if not path or path == ".": # Relative to current package + return "" + elif path[0] == "/": # Absolute path + return path + else: # Relative to a sub-directory + return path def strip_prefix(path, prefix): - """Returns the path with the specified prefix removed.""" - if path.startswith(prefix): - return path[len(prefix):] - return path - + """Returns the path with the specified prefix removed.""" + if path.startswith(prefix): + return path[len(prefix):] + return path def runfile(ctx, f): - """Return the runfiles relative path of f.""" - if ctx.workspace_name: - return ctx.workspace_name + "/" + f.short_path - else: - return f.short_path + """Return the runfiles relative path of f.""" + if ctx.workspace_name: + return ctx.workspace_name + "/" + f.short_path + else: + return f.short_path
diff --git a/tools/build_defs/docker/serialize.bzl b/tools/build_defs/docker/serialize.bzl index 58fe163..e684387 100644 --- a/tools/build_defs/docker/serialize.bzl +++ b/tools/build_defs/docker/serialize.bzl
@@ -13,7 +13,6 @@ # limitations under the License. """Methods for serializing objects.""" - def dict_to_associative_list(dict_value): - """Serializes a dict to an associative list.""" - return ",".join(["%s=%s" % (k, dict_value[k]) for k in dict_value]) + """Serializes a dict to an associative list.""" + return ",".join(["%s=%s" % (k, dict_value[k]) for k in dict_value])
diff --git a/tools/build_defs/hash/hash.bzl b/tools/build_defs/hash/hash.bzl index 6274154..3eb3cd6 100644 --- a/tools/build_defs/hash/hash.bzl +++ b/tools/build_defs/hash/hash.bzl
@@ -14,21 +14,22 @@ """Functions for producing the hash of an artifact.""" def sha256(ctx, artifact): - """Create an action to compute the SHA-256 of an artifact.""" - out = ctx.new_file(artifact.basename + ".sha256") - ctx.action( - executable = ctx.executable.sha256, - arguments = [artifact.path, out.path], - inputs = [artifact], - outputs = [out], - mnemonic = "SHA256") - return out - + """Create an action to compute the SHA-256 of an artifact.""" + out = ctx.new_file(artifact.basename + ".sha256") + ctx.action( + executable = ctx.executable.sha256, + arguments = [artifact.path, out.path], + inputs = [artifact], + outputs = [out], + mnemonic = "SHA256", + ) + return out tools = { "sha256": attr.label( - default=Label("//tools/build_defs/hash:sha256"), - cfg="host", - executable=True, - allow_files=True) + default = Label("//tools/build_defs/hash:sha256"), + cfg = "host", + executable = True, + allow_files = True, + ), }
diff --git a/tools/build_defs/pkg/path.bzl b/tools/build_defs/pkg/path.bzl index 0b54429..4fc9357 100644 --- a/tools/build_defs/pkg/path.bzl +++ b/tools/build_defs/pkg/path.bzl
@@ -14,43 +14,43 @@ """Helper functions that don't depend on Skylark, so can be unit tested.""" def _short_path_dirname(path): - """Returns the directory's name of the short path of an artifact.""" - sp = path.short_path - last_pkg = sp.rfind("/") - if last_pkg == -1: - # Top-level BUILD file. - return "" - return sp[:last_pkg] + """Returns the directory's name of the short path of an artifact.""" + sp = path.short_path + last_pkg = sp.rfind("/") + if last_pkg == -1: + # Top-level BUILD file. + return "" + return sp[:last_pkg] def dest_path(f, strip_prefix): - """Returns the short path of f, stripped of strip_prefix.""" - if strip_prefix == None: - # If no strip_prefix was specified, use the package of the - # given input as the strip_prefix. - strip_prefix = _short_path_dirname(f) - if not strip_prefix: + """Returns the short path of f, stripped of strip_prefix.""" + if strip_prefix == None: + # If no strip_prefix was specified, use the package of the + # given input as the strip_prefix. + strip_prefix = _short_path_dirname(f) + if not strip_prefix: + return f.short_path + if f.short_path.startswith(strip_prefix): + return f.short_path[len(strip_prefix):] return f.short_path - if f.short_path.startswith(strip_prefix): - return f.short_path[len(strip_prefix):] - return f.short_path def compute_data_path(out, data_path): - """Compute the relative data path prefix from the data_path attribute.""" - if data_path: - # Strip ./ from the beginning if specified. - # There is no way to handle .// correctly (no function that would make - # that possible and Skylark is not turing complete) so just consider it - # as an absolute path. - if len(data_path) >= 2 and data_path[0:2] == "./": - data_path = data_path[2:] - if not data_path or data_path == ".": # Relative to current package - return _short_path_dirname(out) - elif data_path[0] == "/": # Absolute path - return data_path[1:] - else: # Relative to a sub-directory - tmp_short_path_dirname = _short_path_dirname(out) - if tmp_short_path_dirname: - return tmp_short_path_dirname + "/" + data_path - return data_path - else: - return None + """Compute the relative data path prefix from the data_path attribute.""" + if data_path: + # Strip ./ from the beginning if specified. + # There is no way to handle .// correctly (no function that would make + # that possible and Skylark is not turing complete) so just consider it + # as an absolute path. + if len(data_path) >= 2 and data_path[0:2] == "./": + data_path = data_path[2:] + if not data_path or data_path == ".": # Relative to current package + return _short_path_dirname(out) + elif data_path[0] == "/": # Absolute path + return data_path[1:] + else: # Relative to a sub-directory + tmp_short_path_dirname = _short_path_dirname(out) + if tmp_short_path_dirname: + return tmp_short_path_dirname + "/" + data_path + return data_path + else: + return None
diff --git a/tools/build_defs/pkg/pkg.bzl b/tools/build_defs/pkg/pkg.bzl index 8cbe03c..f18a736 100644 --- a/tools/build_defs/pkg/pkg.bzl +++ b/tools/build_defs/pkg/pkg.bzl
@@ -12,251 +12,263 @@ # See the License for the specific language governing permissions and # limitations under the License. """Rules for manipulation of various packaging.""" -load(":path.bzl", "dest_path", "compute_data_path") + +load(":path.bzl", "compute_data_path", "dest_path") # Filetype to restrict inputs tar_filetype = [".tar", ".tar.gz", ".tgz", ".tar.xz", ".tar.bz2"] deb_filetype = [".deb", ".udeb"] def _pkg_tar_impl(ctx): - """Implementation of the pkg_tar rule.""" - # Compute the relative path - data_path = compute_data_path(ctx.outputs.out, ctx.attr.strip_prefix) + """Implementation of the pkg_tar rule.""" - build_tar = ctx.executable.build_tar - args = [ - "--output=" + ctx.outputs.out.path, - "--directory=" + ctx.attr.package_dir, - "--mode=" + ctx.attr.mode, - "--owner=" + ctx.attr.owner, - "--owner_name=" + ctx.attr.ownername, - ] + # Compute the relative path + data_path = compute_data_path(ctx.outputs.out, ctx.attr.strip_prefix) - file_inputs = ctx.files.srcs[:] + build_tar = ctx.executable.build_tar + args = [ + "--output=" + ctx.outputs.out.path, + "--directory=" + ctx.attr.package_dir, + "--mode=" + ctx.attr.mode, + "--owner=" + ctx.attr.owner, + "--owner_name=" + ctx.attr.ownername, + ] - # Add runfiles if requested - if ctx.attr.include_runfiles: - for f in ctx.attr.srcs: - if hasattr(f, "default_runfiles"): - run_files = f.default_runfiles.files.to_list() - file_inputs += run_files + file_inputs = ctx.files.srcs[:] - args += ["--file=%s=%s" % (f.path, dest_path(f, data_path)) - for f in file_inputs] - for target, f_dest_path in ctx.attr.files.items(): - target_files = target.files.to_list() - if len(target_files) != 1: - fail("Inputs to pkg_tar.files_map must describe exactly one file.") - file_inputs += [target_files[0]] - args += ["--file=%s=%s" % (target_files[0].path, f_dest_path)] - if ctx.attr.modes: - args += ["--modes=%s=%s" % (key, ctx.attr.modes[key]) for key in ctx.attr.modes] - if ctx.attr.owners: - args += ["--owners=%s=%s" % (key, ctx.attr.owners[key]) for key in ctx.attr.owners] - if ctx.attr.ownernames: - args += ["--owner_names=%s=%s" % (key, ctx.attr.ownernames[key]) - for key in ctx.attr.ownernames] - if ctx.attr.empty_files: - args += ["--empty_file=%s" % empty_file for empty_file in ctx.attr.empty_files] - if ctx.attr.empty_dirs: - args += ["--empty_dir=%s" % empty_dir for empty_dir in ctx.attr.empty_dirs] - if ctx.attr.extension: - dotPos = ctx.attr.extension.find('.') - if dotPos > 0: - dotPos += 1 - args += ["--compression=%s" % ctx.attr.extension[dotPos:]] - args += ["--tar=" + f.path for f in ctx.files.deps] - args += ["--link=%s:%s" % (k, ctx.attr.symlinks[k]) - for k in ctx.attr.symlinks] - arg_file = ctx.actions.declare_file(ctx.label.name + ".args") - ctx.actions.write(arg_file, "\n".join(args)) + # Add runfiles if requested + if ctx.attr.include_runfiles: + for f in ctx.attr.srcs: + if hasattr(f, "default_runfiles"): + run_files = f.default_runfiles.files.to_list() + file_inputs += run_files - ctx.actions.run_shell( - command = "%s --flagfile=%s" % (build_tar.path, arg_file.path), - inputs = file_inputs + ctx.files.deps + [arg_file, build_tar], - outputs = [ctx.outputs.out], - mnemonic="PackageTar", - use_default_shell_env = True, - ) + args += [ + "--file=%s=%s" % (f.path, dest_path(f, data_path)) + for f in file_inputs + ] + for target, f_dest_path in ctx.attr.files.items(): + target_files = target.files.to_list() + if len(target_files) != 1: + fail("Inputs to pkg_tar.files_map must describe exactly one file.") + file_inputs += [target_files[0]] + args += ["--file=%s=%s" % (target_files[0].path, f_dest_path)] + if ctx.attr.modes: + args += ["--modes=%s=%s" % (key, ctx.attr.modes[key]) for key in ctx.attr.modes] + if ctx.attr.owners: + args += ["--owners=%s=%s" % (key, ctx.attr.owners[key]) for key in ctx.attr.owners] + if ctx.attr.ownernames: + args += [ + "--owner_names=%s=%s" % (key, ctx.attr.ownernames[key]) + for key in ctx.attr.ownernames + ] + if ctx.attr.empty_files: + args += ["--empty_file=%s" % empty_file for empty_file in ctx.attr.empty_files] + if ctx.attr.empty_dirs: + args += ["--empty_dir=%s" % empty_dir for empty_dir in ctx.attr.empty_dirs] + if ctx.attr.extension: + dotPos = ctx.attr.extension.find(".") + if dotPos > 0: + dotPos += 1 + args += ["--compression=%s" % ctx.attr.extension[dotPos:]] + args += ["--tar=" + f.path for f in ctx.files.deps] + args += [ + "--link=%s:%s" % (k, ctx.attr.symlinks[k]) + for k in ctx.attr.symlinks + ] + arg_file = ctx.actions.declare_file(ctx.label.name + ".args") + ctx.actions.write(arg_file, "\n".join(args)) + ctx.actions.run_shell( + command = "%s --flagfile=%s" % (build_tar.path, arg_file.path), + inputs = file_inputs + ctx.files.deps + [arg_file, build_tar], + outputs = [ctx.outputs.out], + mnemonic = "PackageTar", + use_default_shell_env = True, + ) def _pkg_deb_impl(ctx): - """The implementation for the pkg_deb rule.""" - files = [ctx.file.data] - args = [ - "--output=" + ctx.outputs.deb.path, - "--changes=" + ctx.outputs.changes.path, - "--data=" + ctx.file.data.path, - "--package=" + ctx.attr.package, - "--architecture=" + ctx.attr.architecture, - "--maintainer=" + ctx.attr.maintainer, - ] - if ctx.attr.preinst: - args += ["--preinst=@" + ctx.file.preinst.path] - files += [ctx.file.preinst] - if ctx.attr.postinst: - args += ["--postinst=@" + ctx.file.postinst.path] - files += [ctx.file.postinst] - if ctx.attr.prerm: - args += ["--prerm=@" + ctx.file.prerm.path] - files += [ctx.file.prerm] - if ctx.attr.postrm: - args += ["--postrm=@" + ctx.file.postrm.path] - files += [ctx.file.postrm] + """The implementation for the pkg_deb rule.""" + files = [ctx.file.data] + args = [ + "--output=" + ctx.outputs.deb.path, + "--changes=" + ctx.outputs.changes.path, + "--data=" + ctx.file.data.path, + "--package=" + ctx.attr.package, + "--architecture=" + ctx.attr.architecture, + "--maintainer=" + ctx.attr.maintainer, + ] + if ctx.attr.preinst: + args += ["--preinst=@" + ctx.file.preinst.path] + files += [ctx.file.preinst] + if ctx.attr.postinst: + args += ["--postinst=@" + ctx.file.postinst.path] + files += [ctx.file.postinst] + if ctx.attr.prerm: + args += ["--prerm=@" + ctx.file.prerm.path] + files += [ctx.file.prerm] + if ctx.attr.postrm: + args += ["--postrm=@" + ctx.file.postrm.path] + files += [ctx.file.postrm] - # Conffiles can be specified by a file or a string list - if ctx.attr.conffiles_file: - if ctx.attr.conffiles: - fail("Both conffiles and conffiles_file attributes were specified") - args += ["--conffile=@" + ctx.file.conffiles_file.path] - files += [ctx.file.conffiles_file] - elif ctx.attr.conffiles: - args += ["--conffile=%s" % cf for cf in ctx.attr.conffiles] + # Conffiles can be specified by a file or a string list + if ctx.attr.conffiles_file: + if ctx.attr.conffiles: + fail("Both conffiles and conffiles_file attributes were specified") + args += ["--conffile=@" + ctx.file.conffiles_file.path] + files += [ctx.file.conffiles_file] + elif ctx.attr.conffiles: + args += ["--conffile=%s" % cf for cf in ctx.attr.conffiles] - # Version and description can be specified by a file or inlined - if ctx.attr.version_file: - if ctx.attr.version: - fail("Both version and version_file attributes were specified") - args += ["--version=@" + ctx.file.version_file.path] - files += [ctx.file.version_file] - elif ctx.attr.version: - args += ["--version=" + ctx.attr.version] - else: - fail("Neither version_file nor version attribute was specified") + # Version and description can be specified by a file or inlined + if ctx.attr.version_file: + if ctx.attr.version: + fail("Both version and version_file attributes were specified") + args += ["--version=@" + ctx.file.version_file.path] + files += [ctx.file.version_file] + elif ctx.attr.version: + args += ["--version=" + ctx.attr.version] + else: + fail("Neither version_file nor version attribute was specified") - if ctx.attr.description_file: - if ctx.attr.description: - fail("Both description and description_file attributes were specified") - args += ["--description=@" + ctx.file.description_file.path] - files += [ctx.file.description_file] - elif ctx.attr.description: - args += ["--description=" + ctx.attr.description] - else: - fail("Neither description_file nor description attribute was specified") + if ctx.attr.description_file: + if ctx.attr.description: + fail("Both description and description_file attributes were specified") + args += ["--description=@" + ctx.file.description_file.path] + files += [ctx.file.description_file] + elif ctx.attr.description: + args += ["--description=" + ctx.attr.description] + else: + fail("Neither description_file nor description attribute was specified") - # Built using can also be specified by a file or inlined (but is not mandatory) - if ctx.attr.built_using_file: - if ctx.attr.built_using: - fail("Both build_using and built_using_file attributes were specified") - args += ["--built_using=@" + ctx.file.built_using_file.path] - files += [ctx.file.built_using_file] - elif ctx.attr.built_using: - args += ["--built_using=" + ctx.attr.built_using] + # Built using can also be specified by a file or inlined (but is not mandatory) + if ctx.attr.built_using_file: + if ctx.attr.built_using: + fail("Both build_using and built_using_file attributes were specified") + args += ["--built_using=@" + ctx.file.built_using_file.path] + files += [ctx.file.built_using_file] + elif ctx.attr.built_using: + args += ["--built_using=" + ctx.attr.built_using] - if ctx.attr.priority: - args += ["--priority=" + ctx.attr.priority] - if ctx.attr.section: - args += ["--section=" + ctx.attr.section] - if ctx.attr.homepage: - args += ["--homepage=" + ctx.attr.homepage] + if ctx.attr.priority: + args += ["--priority=" + ctx.attr.priority] + if ctx.attr.section: + args += ["--section=" + ctx.attr.section] + if ctx.attr.homepage: + args += ["--homepage=" + ctx.attr.homepage] - args += ["--distribution=" + ctx.attr.distribution] - args += ["--urgency=" + ctx.attr.urgency] - args += ["--depends=" + d for d in ctx.attr.depends] - args += ["--suggests=" + d for d in ctx.attr.suggests] - args += ["--enhances=" + d for d in ctx.attr.enhances] - args += ["--conflicts=" + d for d in ctx.attr.conflicts] - args += ["--pre_depends=" + d for d in ctx.attr.predepends] - args += ["--recommends=" + d for d in ctx.attr.recommends] + args += ["--distribution=" + ctx.attr.distribution] + args += ["--urgency=" + ctx.attr.urgency] + args += ["--depends=" + d for d in ctx.attr.depends] + args += ["--suggests=" + d for d in ctx.attr.suggests] + args += ["--enhances=" + d for d in ctx.attr.enhances] + args += ["--conflicts=" + d for d in ctx.attr.conflicts] + args += ["--pre_depends=" + d for d in ctx.attr.predepends] + args += ["--recommends=" + d for d in ctx.attr.recommends] - ctx.action( - executable = ctx.executable.make_deb, - arguments = args, - inputs = files, - outputs = [ctx.outputs.deb, ctx.outputs.changes], - mnemonic="MakeDeb" - ) - ctx.action( - command = "ln -s %s %s" % (ctx.outputs.deb.basename, ctx.outputs.out.path), - inputs = [ctx.outputs.deb], - outputs = [ctx.outputs.out]) + ctx.action( + executable = ctx.executable.make_deb, + arguments = args, + inputs = files, + outputs = [ctx.outputs.deb, ctx.outputs.changes], + mnemonic = "MakeDeb", + ) + ctx.action( + command = "ln -s %s %s" % (ctx.outputs.deb.basename, ctx.outputs.out.path), + inputs = [ctx.outputs.deb], + outputs = [ctx.outputs.out], + ) # A rule for creating a tar file, see README.md _real_pkg_tar = rule( implementation = _pkg_tar_impl, attrs = { "strip_prefix": attr.string(), - "package_dir": attr.string(default="/"), - "deps": attr.label_list(allow_files=tar_filetype), - "srcs": attr.label_list(allow_files=True), - "files": attr.label_keyed_string_dict(allow_files=True), - "mode": attr.string(default="0555"), + "package_dir": attr.string(default = "/"), + "deps": attr.label_list(allow_files = tar_filetype), + "srcs": attr.label_list(allow_files = True), + "files": attr.label_keyed_string_dict(allow_files = True), + "mode": attr.string(default = "0555"), "modes": attr.string_dict(), - "owner": attr.string(default="0.0"), - "ownername": attr.string(default="."), + "owner": attr.string(default = "0.0"), + "ownername": attr.string(default = "."), "owners": attr.string_dict(), "ownernames": attr.string_dict(), - "extension": attr.string(default="tar"), + "extension": attr.string(default = "tar"), "symlinks": attr.string_dict(), "empty_files": attr.string_list(), - "include_runfiles": attr.bool(default=False, mandatory=False), + "include_runfiles": attr.bool(default = False, mandatory = False), "empty_dirs": attr.string_list(), # Implicit dependencies. "build_tar": attr.label( - default=Label("//tools/build_defs/pkg:build_tar"), - cfg="host", - executable=True, - allow_files=True) + default = Label("//tools/build_defs/pkg:build_tar"), + cfg = "host", + executable = True, + allow_files = True, + ), }, outputs = { "out": "%{name}.%{extension}", }, - executable = False) + executable = False, +) def pkg_tar(**kwargs): - # Compatibility with older versions of pkg_tar that define files as - # a flat list of labels. - if "srcs" not in kwargs: - if "files" in kwargs: - if not hasattr(kwargs["files"], "items"): - label = "%s//%s:%s" % (native.repository_name(), native.package_name(), kwargs["name"]) - print("%s: you provided a non dictionary to the pkg_tar `files` attribute. " % (label,) + - "This attribute was renamed to `srcs`. " + - "Consider renaming it in your BUILD file.") - kwargs["srcs"] = kwargs.pop("files") - _real_pkg_tar(**kwargs) + # Compatibility with older versions of pkg_tar that define files as + # a flat list of labels. + if "srcs" not in kwargs: + if "files" in kwargs: + if not hasattr(kwargs["files"], "items"): + label = "%s//%s:%s" % (native.repository_name(), native.package_name(), kwargs["name"]) + print("%s: you provided a non dictionary to the pkg_tar `files` attribute. " % (label,) + + "This attribute was renamed to `srcs`. " + + "Consider renaming it in your BUILD file.") + kwargs["srcs"] = kwargs.pop("files") + _real_pkg_tar(**kwargs) # A rule for creating a deb file, see README.md pkg_deb = rule( implementation = _pkg_deb_impl, attrs = { - "data": attr.label(mandatory=True, allow_files=tar_filetype, single_file=True), - "package": attr.string(mandatory=True), - "architecture": attr.string(default="all"), - "distribution": attr.string(default="unstable"), - "urgency": attr.string(default="medium"), - "maintainer": attr.string(mandatory=True), - "preinst": attr.label(allow_files=True, single_file=True), - "postinst": attr.label(allow_files=True, single_file=True), - "prerm": attr.label(allow_files=True, single_file=True), - "postrm": attr.label(allow_files=True, single_file=True), - "conffiles_file": attr.label(allow_files=True, single_file=True), - "conffiles": attr.string_list(default=[]), - "version_file": attr.label(allow_files=True, single_file=True), + "data": attr.label(mandatory = True, allow_files = tar_filetype, single_file = True), + "package": attr.string(mandatory = True), + "architecture": attr.string(default = "all"), + "distribution": attr.string(default = "unstable"), + "urgency": attr.string(default = "medium"), + "maintainer": attr.string(mandatory = True), + "preinst": attr.label(allow_files = True, single_file = True), + "postinst": attr.label(allow_files = True, single_file = True), + "prerm": attr.label(allow_files = True, single_file = True), + "postrm": attr.label(allow_files = True, single_file = True), + "conffiles_file": attr.label(allow_files = True, single_file = True), + "conffiles": attr.string_list(default = []), + "version_file": attr.label(allow_files = True, single_file = True), "version": attr.string(), - "description_file": attr.label(allow_files=True, single_file=True), + "description_file": attr.label(allow_files = True, single_file = True), "description": attr.string(), - "built_using_file": attr.label(allow_files=True, single_file=True), + "built_using_file": attr.label(allow_files = True, single_file = True), "built_using": attr.string(), "priority": attr.string(), "section": attr.string(), "homepage": attr.string(), - "depends": attr.string_list(default=[]), - "suggests": attr.string_list(default=[]), - "enhances": attr.string_list(default=[]), - "conflicts": attr.string_list(default=[]), - "predepends": attr.string_list(default=[]), - "recommends": attr.string_list(default=[]), + "depends": attr.string_list(default = []), + "suggests": attr.string_list(default = []), + "enhances": attr.string_list(default = []), + "conflicts": attr.string_list(default = []), + "predepends": attr.string_list(default = []), + "recommends": attr.string_list(default = []), # Implicit dependencies. "make_deb": attr.label( - default=Label("//tools/build_defs/pkg:make_deb"), - cfg="host", - executable=True, - allow_files=True) + default = Label("//tools/build_defs/pkg:make_deb"), + cfg = "host", + executable = True, + allow_files = True, + ), }, outputs = { "out": "%{name}.deb", "deb": "%{package}_%{version}_%{architecture}.deb", - "changes": "%{package}_%{version}_%{architecture}.changes" + "changes": "%{package}_%{version}_%{architecture}.changes", }, - executable = False) + executable = False, +)
diff --git a/tools/build_defs/pkg/rpm.bzl b/tools/build_defs/pkg/rpm.bzl index f5d257f..f3e0064 100644 --- a/tools/build_defs/pkg/rpm.bzl +++ b/tools/build_defs/pkg/rpm.bzl
@@ -18,109 +18,114 @@ spec_filetype = [".spec"] def _pkg_rpm_impl(ctx): - """Implements to pkg_rpm rule.""" + """Implements to pkg_rpm rule.""" - files = [] - args = ["--name=" + ctx.label.name] + files = [] + args = ["--name=" + ctx.label.name] - # Version can be specified by a file or inlined. - if ctx.attr.version_file: - if ctx.attr.version: - fail("Both version and version_file attributes were specified") - args += ["--version=@" + ctx.file.version_file.path] - files += [ctx.file.version_file] - elif ctx.attr.version: - args += ["--version=" + ctx.attr.version] + # Version can be specified by a file or inlined. + if ctx.attr.version_file: + if ctx.attr.version: + fail("Both version and version_file attributes were specified") + args += ["--version=@" + ctx.file.version_file.path] + files += [ctx.file.version_file] + elif ctx.attr.version: + args += ["--version=" + ctx.attr.version] - # Release can be specified by a file or inlined. - if ctx.attr.release_file: - if ctx.attr.release: - fail("Both release and release_file attributes were specified") - args += ["--release=@" + ctx.file.release_file.path] - files += [ctx.file.release_file] - elif ctx.attr.release: - args += ["--release=" + ctx.attr.release] + # Release can be specified by a file or inlined. + if ctx.attr.release_file: + if ctx.attr.release: + fail("Both release and release_file attributes were specified") + args += ["--release=@" + ctx.file.release_file.path] + files += [ctx.file.release_file] + elif ctx.attr.release: + args += ["--release=" + ctx.attr.release] - if ctx.attr.architecture: - args += ["--arch=" + ctx.attr.architecture] + if ctx.attr.architecture: + args += ["--arch=" + ctx.attr.architecture] - if not ctx.attr.spec_file: - fail("spec_file was not specified") + if not ctx.attr.spec_file: + fail("spec_file was not specified") - # Expand the spec file template. - spec_file = ctx.actions.declare_file("%s.spec" % ctx.label.name) - # Create the default substitutions based on the data files. - substitutions = {} - for data_file in ctx.files.data: - key = "{%s}" % data_file.basename - substitutions[key] = data_file.path - ctx.actions.expand_template( - template = ctx.file.spec_file, - output = spec_file, - substitutions = substitutions) - args += ["--spec_file=" + spec_file.path] - files += [spec_file] + # Expand the spec file template. + spec_file = ctx.actions.declare_file("%s.spec" % ctx.label.name) - args += ["--out_file=" + ctx.outputs.rpm.path] + # Create the default substitutions based on the data files. + substitutions = {} + for data_file in ctx.files.data: + key = "{%s}" % data_file.basename + substitutions[key] = data_file.path + ctx.actions.expand_template( + template = ctx.file.spec_file, + output = spec_file, + substitutions = substitutions, + ) + args += ["--spec_file=" + spec_file.path] + files += [spec_file] - # Add data files. - if ctx.file.changelog: - files += [ctx.file.changelog] - args += [ctx.file.changelog.path] - files += ctx.files.data + args += ["--out_file=" + ctx.outputs.rpm.path] - for f in ctx.files.data: - args += [f.path] + # Add data files. + if ctx.file.changelog: + files += [ctx.file.changelog] + args += [ctx.file.changelog.path] + files += ctx.files.data - if ctx.attr.debug: - args += ["--debug"] + for f in ctx.files.data: + args += [f.path] - # Call the generator script. - # TODO(katre): Generate a source RPM. - ctx.actions.run( - executable = ctx.executable._make_rpm, - use_default_shell_env = True, - arguments = args, - inputs = files, - outputs = [ctx.outputs.rpm], - mnemonic = "MakeRpm") + if ctx.attr.debug: + args += ["--debug"] - # Link the RPM to the expected output name. - ctx.actions.run( - executable = "ln", - arguments = [ - "-s", - ctx.outputs.rpm.basename, - ctx.outputs.out.path, - ], - inputs = [ctx.outputs.rpm], - outputs = [ctx.outputs.out]) + # Call the generator script. + # TODO(katre): Generate a source RPM. + ctx.actions.run( + executable = ctx.executable._make_rpm, + use_default_shell_env = True, + arguments = args, + inputs = files, + outputs = [ctx.outputs.rpm], + mnemonic = "MakeRpm", + ) - # Link the RPM to the RPM-recommended output name. - if "rpm_nvra" in dir(ctx.outputs): + # Link the RPM to the expected output name. ctx.actions.run( executable = "ln", arguments = [ - "-s", - ctx.outputs.rpm.basename, - ctx.outputs.rpm_nvra.path, + "-s", + ctx.outputs.rpm.basename, + ctx.outputs.out.path, ], inputs = [ctx.outputs.rpm], - outputs = [ctx.outputs.rpm_nvra]) + outputs = [ctx.outputs.out], + ) + + # Link the RPM to the RPM-recommended output name. + if "rpm_nvra" in dir(ctx.outputs): + ctx.actions.run( + executable = "ln", + arguments = [ + "-s", + ctx.outputs.rpm.basename, + ctx.outputs.rpm_nvra.path, + ], + inputs = [ctx.outputs.rpm], + outputs = [ctx.outputs.rpm_nvra], + ) def _pkg_rpm_outputs(version, release): - outputs = { - "out": "%{name}.rpm", - "rpm": "%{name}-%{architecture}.rpm", - } + outputs = { + "out": "%{name}.rpm", + "rpm": "%{name}-%{architecture}.rpm", + } - # The "rpm_nvra" output follows the recommended package naming convention of - # Name-Version-Release.Arch.rpm - # See http://ftp.rpm.org/max-rpm/ch-rpm-file-format.html - if version and release: - outputs["rpm_nvra"] = "%{name}-%{version}-%{release}.%{architecture}.rpm" + # The "rpm_nvra" output follows the recommended package naming convention of + # Name-Version-Release.Arch.rpm + # See http://ftp.rpm.org/max-rpm/ch-rpm-file-format.html + if version and release: + outputs["rpm_nvra"] = "%{name}-%{version}-%{release}.%{architecture}.rpm" - return outputs + return outputs # Define the rule. pkg_rpm = rule( @@ -144,9 +149,9 @@ mandatory = True, allow_files = True, ), - "release_file": attr.label(allow_files=True, single_file=True), + "release_file": attr.label(allow_files = True, single_file = True), "release": attr.string(), - "debug": attr.bool(default=False), + "debug": attr.bool(default = False), # Implicit dependencies. "_make_rpm": attr.label(
diff --git a/tools/build_defs/repo/git.bzl b/tools/build_defs/repo/git.bzl index 4972037..1ea5804 100644 --- a/tools/build_defs/repo/git.bzl +++ b/tools/build_defs/repo/git.bzl
@@ -13,35 +13,35 @@ # limitations under the License. """Rules for cloning external git repositories.""" -load("@bazel_tools//tools/build_defs/repo:utils.bzl", "workspace_and_buildfile", "patch") - +load("@bazel_tools//tools/build_defs/repo:utils.bzl", "patch", "workspace_and_buildfile") def _clone_or_update(ctx): - if ((not ctx.attr.tag and not ctx.attr.commit) or - (ctx.attr.tag and ctx.attr.commit)): - fail('Exactly one of commit and tag must be provided') - shallow = '' - if ctx.attr.commit: - ref = ctx.attr.commit - else: - ref = 'tags/' + ctx.attr.tag - shallow = '--depth=1' - directory=str(ctx.path('.')) - if ctx.attr.strip_prefix: - directory = directory + "-tmp" - if ctx.attr.shallow_since: - if ctx.attr.tag: - fail('shallow_since not allowed if a tag is specified; --depth=1 will be used for tags') - shallow='--shallow-since=%s' % ctx.attr.shallow_since + if ((not ctx.attr.tag and not ctx.attr.commit) or + (ctx.attr.tag and ctx.attr.commit)): + fail("Exactly one of commit and tag must be provided") + shallow = "" + if ctx.attr.commit: + ref = ctx.attr.commit + else: + ref = "tags/" + ctx.attr.tag + shallow = "--depth=1" + directory = str(ctx.path(".")) + if ctx.attr.strip_prefix: + directory = directory + "-tmp" + if ctx.attr.shallow_since: + if ctx.attr.tag: + fail("shallow_since not allowed if a tag is specified; --depth=1 will be used for tags") + shallow = "--shallow-since=%s" % ctx.attr.shallow_since - if (ctx.attr.verbose): - print('git.bzl: Cloning or updating %s repository %s using strip_prefix of [%s]' % - (' (%s)' % shallow if shallow else '', - ctx.name, - ctx.attr.strip_prefix if ctx.attr.strip_prefix else 'None', - )) - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - st = ctx.execute([bash_exe, '-c', """ + if (ctx.attr.verbose): + print("git.bzl: Cloning or updating %s repository %s using strip_prefix of [%s]" % + ( + " (%s)" % shallow if shallow else "", + ctx.name, + ctx.attr.strip_prefix if ctx.attr.strip_prefix else "None", + )) + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + st = ctx.execute([bash_exe, "-c", """ set -ex ( cd {working_dir} && if ! ( cd '{dir_link}' && [[ "$(git rev-parse --git-dir)" == '.git' ]] ) >/dev/null 2>&1; then @@ -52,70 +52,67 @@ git reset --hard {ref} || ((git fetch {shallow} origin {ref}:{ref} || git fetch origin {ref}:{ref}) && git reset --hard {ref}) git clean -xdf ) """.format( - working_dir=ctx.path('.').dirname, - dir_link=ctx.path('.'), - directory=directory, - remote=ctx.attr.remote, - ref=ref, - shallow=shallow, - )]) + working_dir = ctx.path(".").dirname, + dir_link = ctx.path("."), + directory = directory, + remote = ctx.attr.remote, + ref = ref, + shallow = shallow, + )]) - if st.return_code: - fail('error cloning %s:\n%s' % (ctx.name, st.stderr)) + if st.return_code: + fail("error cloning %s:\n%s" % (ctx.name, st.stderr)) - if ctx.attr.strip_prefix: - dest_link="{}/{}".format(directory, ctx.attr.strip_prefix) - if not ctx.path(dest_link).exists: - fail("strip_prefix at {} does not exist in repo".format(ctx.attr.strip_prefix)) + if ctx.attr.strip_prefix: + dest_link = "{}/{}".format(directory, ctx.attr.strip_prefix) + if not ctx.path(dest_link).exists: + fail("strip_prefix at {} does not exist in repo".format(ctx.attr.strip_prefix)) - ctx.symlink(dest_link, ctx.path('.')) - if ctx.attr.init_submodules: - st = ctx.execute([bash_exe, '-c', """ + ctx.symlink(dest_link, ctx.path(".")) + if ctx.attr.init_submodules: + st = ctx.execute([bash_exe, "-c", """ set -ex ( cd '{directory}' git submodule update --init --checkout --force ) """.format( - directory=ctx.path('.'), - )]) - if st.return_code: - fail('error updating submodules %s:\n%s' % (ctx.name, st.stderr)) - + directory = ctx.path("."), + )]) + if st.return_code: + fail("error updating submodules %s:\n%s" % (ctx.name, st.stderr)) def _new_git_repository_implementation(ctx): - if ((not ctx.attr.build_file and not ctx.attr.build_file_content) or - (ctx.attr.build_file and ctx.attr.build_file_content)): - fail('Exactly one of build_file and build_file_content must be provided.') - _clone_or_update(ctx) - workspace_and_buildfile(ctx) - patch(ctx) + if ((not ctx.attr.build_file and not ctx.attr.build_file_content) or + (ctx.attr.build_file and ctx.attr.build_file_content)): + fail("Exactly one of build_file and build_file_content must be provided.") + _clone_or_update(ctx) + workspace_and_buildfile(ctx) + patch(ctx) def _git_repository_implementation(ctx): - _clone_or_update(ctx) - patch(ctx) - + _clone_or_update(ctx) + patch(ctx) _common_attrs = { - 'remote': attr.string(mandatory=True), - 'commit': attr.string(default=''), - 'shallow_since': attr.string(default=''), - 'tag': attr.string(default=''), - 'init_submodules': attr.bool(default=False), - 'verbose': attr.bool(default=False), - 'strip_prefix': attr.string(default=''), - 'patches': attr.label_list(default=[]), - 'patch_tool': attr.string(default="patch"), - 'patch_cmds': attr.string_list(default=[]), + "remote": attr.string(mandatory = True), + "commit": attr.string(default = ""), + "shallow_since": attr.string(default = ""), + "tag": attr.string(default = ""), + "init_submodules": attr.bool(default = False), + "verbose": attr.bool(default = False), + "strip_prefix": attr.string(default = ""), + "patches": attr.label_list(default = []), + "patch_tool": attr.string(default = "patch"), + "patch_cmds": attr.string_list(default = []), } - new_git_repository = repository_rule( implementation = _new_git_repository_implementation, attrs = dict(_common_attrs.items() + { - 'build_file': attr.label(allow_single_file=True), - 'build_file_content': attr.string(), - 'workspace_file': attr.label(), - 'workspace_file_content': attr.string(), - }.items()) + "build_file": attr.label(allow_single_file = True), + "build_file_content": attr.string(), + "workspace_file": attr.label(), + "workspace_file_content": attr.string(), + }.items()), ) """Clone an external git repository. @@ -168,8 +165,8 @@ """ git_repository = repository_rule( - implementation=_git_repository_implementation, - attrs=_common_attrs, + implementation = _git_repository_implementation, + attrs = _common_attrs, ) """Clone an external git repository.
diff --git a/tools/build_defs/repo/git_repositories.bzl b/tools/build_defs/repo/git_repositories.bzl index 1519fbc..14d2815 100644 --- a/tools/build_defs/repo/git_repositories.bzl +++ b/tools/build_defs/repo/git_repositories.bzl
@@ -20,13 +20,13 @@ ) def git_repository(**kwargs): - print("The git_repository rule has been moved. Please load " + - "@bazel_tools//tools/build_defs/repo:git.bzl instead. This redirect " + - "will be removed in the future.") - original_git_repository(**kwargs) + print("The git_repository rule has been moved. Please load " + + "@bazel_tools//tools/build_defs/repo:git.bzl instead. This redirect " + + "will be removed in the future.") + original_git_repository(**kwargs) def new_git_repository(**kwargs): - print("The new_git_repository rule has been moved. Please load " + - "@bazel_tools//tools/build_defs/repo:git.bzl instead. This redirect " + - "will be removed in the future.") - original_new_git_repository(**kwargs) + print("The new_git_repository rule has been moved. Please load " + + "@bazel_tools//tools/build_defs/repo:git.bzl instead. This redirect " + + "will be removed in the future.") + original_new_git_repository(**kwargs)
diff --git a/tools/build_defs/repo/http.bzl b/tools/build_defs/repo/http.bzl index 80ab58e..02879f4 100644 --- a/tools/build_defs/repo/http.bzl +++ b/tools/build_defs/repo/http.bzl
@@ -30,31 +30,36 @@ replace the native rules. """ -load("@bazel_tools//tools/build_defs/repo:utils.bzl", "workspace_and_buildfile", "patch") +load("@bazel_tools//tools/build_defs/repo:utils.bzl", "patch", "workspace_and_buildfile") def _http_archive_impl(ctx): - """Implementation of the http_archive rule.""" - if not ctx.attr.url and not ctx.attr.urls: - ctx.fail("At least of of url and urls must be provided") - if ctx.attr.build_file and ctx.attr.build_file_content: - ctx.fail("Only one of build_file and build_file_content can be provided.") + """Implementation of the http_archive rule.""" + if not ctx.attr.url and not ctx.attr.urls: + ctx.fail("At least of of url and urls must be provided") + if ctx.attr.build_file and ctx.attr.build_file_content: + ctx.fail("Only one of build_file and build_file_content can be provided.") - if ctx.attr.build_file: - print("ctx.attr.build_file %s, path %s" % - (str(ctx.attr.build_file), ctx.path(ctx.attr.build_file))) - for patchfile in ctx.attr.patches: - print("patch file %s, path %s" % (patchfile, ctx.path(patchfile))) + if ctx.attr.build_file: + print("ctx.attr.build_file %s, path %s" % + (str(ctx.attr.build_file), ctx.path(ctx.attr.build_file))) + for patchfile in ctx.attr.patches: + print("patch file %s, path %s" % (patchfile, ctx.path(patchfile))) - all_urls = [] - if ctx.attr.urls: - all_urls = ctx.attr.urls - if ctx.attr.url: - all_urls = [ctx.attr.url] + all_urls + all_urls = [] + if ctx.attr.urls: + all_urls = ctx.attr.urls + if ctx.attr.url: + all_urls = [ctx.attr.url] + all_urls - ctx.download_and_extract(all_urls, "", ctx.attr.sha256, ctx.attr.type, - ctx.attr.strip_prefix) - patch(ctx) - workspace_and_buildfile(ctx) + ctx.download_and_extract( + all_urls, + "", + ctx.attr.sha256, + ctx.attr.type, + ctx.attr.strip_prefix, + ) + patch(ctx) + workspace_and_buildfile(ctx) _HTTP_FILE_BUILD = """ package(default_visibility = ["//visibility:public"]) @@ -66,11 +71,15 @@ """ def _http_file_impl(ctx): - """Implementation of the http_file rule.""" - ctx.download(ctx.attr.urls, "file/downloaded", ctx.attr.sha256, - ctx.attr.executable) - ctx.file("WORKSPACE", "workspace(name = \"{name}\")".format(name=ctx.name)) - ctx.file("file/BUILD", _HTTP_FILE_BUILD) + """Implementation of the http_file rule.""" + ctx.download( + ctx.attr.urls, + "file/downloaded", + ctx.attr.sha256, + ctx.attr.executable, + ) + ctx.file("WORKSPACE", "workspace(name = \"{name}\")".format(name = ctx.name)) + ctx.file("file/BUILD", _HTTP_FILE_BUILD) _HTTP_JAR_BUILD = """ package(default_visibility = ["//visibility:public"]) @@ -90,16 +99,15 @@ """ def _http_jar_impl(ctx): - """Implementation of the http_jar rule.""" - all_urls = [] - if ctx.attr.urls: - all_urls = ctx.attr.urls - if ctx.attr.url: - all_urls = [ctx.attr.url] + all_urls - ctx.download(all_urls, "jar/downloaded.jar", ctx.attr.sha256) - ctx.file("WORKSPACE", "workspace(name = \"{name}\")".format(name=ctx.name)) - ctx.file("jar/BUILD", _HTTP_JAR_BUILD) - + """Implementation of the http_jar rule.""" + all_urls = [] + if ctx.attr.urls: + all_urls = ctx.attr.urls + if ctx.attr.url: + all_urls = [ctx.attr.url] + all_urls + ctx.download(all_urls, "jar/downloaded.jar", ctx.attr.sha256) + ctx.file("WORKSPACE", "workspace(name = \"{name}\")".format(name = ctx.name)) + ctx.file("jar/BUILD", _HTTP_JAR_BUILD) _http_archive_attrs = { "url": attr.string(), @@ -109,14 +117,13 @@ "type": attr.string(), "build_file": attr.label(), "build_file_content": attr.string(), - "patches": attr.label_list(default=[]), - "patch_tool": attr.string(default="patch"), - "patch_cmds": attr.string_list(default=[]), + "patches": attr.label_list(default = []), + "patch_tool": attr.string(default = "patch"), + "patch_cmds": attr.string_list(default = []), "workspace_file": attr.label(), "workspace_file_content": attr.string(), } - http_archive = repository_rule( implementation = _http_archive_impl, attrs = _http_archive_attrs, @@ -235,13 +242,12 @@ patch_cmds: sequence of commands to be applied after patches are applied. """ - http_file = repository_rule( implementation = _http_file_impl, attrs = { "executable": attr.bool(), "sha256": attr.string(), - "urls": attr.string_list(mandatory=True), + "urls": attr.string_list(mandatory = True), }, ) """Downloads a file from a URL and makes it available to be used as a file
diff --git a/tools/build_defs/repo/java.bzl b/tools/build_defs/repo/java.bzl index 9803658..1e40ba4 100644 --- a/tools/build_defs/repo/java.bzl +++ b/tools/build_defs/repo/java.bzl
@@ -172,8 +172,8 @@ load("@bazel_tools//tools/build_defs/repo:jvm.bzl", "jvm_import_external") def java_import_external(jar_sha256, **kwargs): - jvm_import_external( - rule_name = "java_import", - jar_sha256 = jar_sha256, - **kwargs - ) + jvm_import_external( + rule_name = "java_import", + jar_sha256 = jar_sha256, + **kwargs + )
diff --git a/tools/build_defs/repo/jvm.bzl b/tools/build_defs/repo/jvm.bzl index f0d80ff..b0acd24 100644 --- a/tools/build_defs/repo/jvm.bzl +++ b/tools/build_defs/repo/jvm.bzl
@@ -44,124 +44,134 @@ ) def _jvm_import_external(repository_ctx): - """Implementation of `java_import_external` rule.""" - if (repository_ctx.attr.generated_linkable_rule_name and - not repository_ctx.attr.neverlink): - fail("Only use generated_linkable_rule_name if neverlink is set") - name = repository_ctx.attr.generated_rule_name or repository_ctx.name - urls = repository_ctx.attr.jar_urls - sha = repository_ctx.attr.jar_sha256 - path = repository_ctx.name + ".jar" - for url in urls: - if url.endswith(".jar"): - path = url[url.rindex("/") + 1:] - break - srcurls = repository_ctx.attr.srcjar_urls - srcsha = repository_ctx.attr.srcjar_sha256 - srcpath = repository_ctx.name + "-src.jar" if srcurls else "" - for url in srcurls: - if url.endswith(".jar"): - srcpath = url[url.rindex("/") + 1:].replace("-sources.jar", "-src.jar") - break - lines = [_HEADER, ""] - if repository_ctx.attr.rule_load: - lines.append(repository_ctx.attr.rule_load) + """Implementation of `java_import_external` rule.""" + if (repository_ctx.attr.generated_linkable_rule_name and + not repository_ctx.attr.neverlink): + fail("Only use generated_linkable_rule_name if neverlink is set") + name = repository_ctx.attr.generated_rule_name or repository_ctx.name + urls = repository_ctx.attr.jar_urls + sha = repository_ctx.attr.jar_sha256 + path = repository_ctx.name + ".jar" + for url in urls: + if url.endswith(".jar"): + path = url[url.rindex("/") + 1:] + break + srcurls = repository_ctx.attr.srcjar_urls + srcsha = repository_ctx.attr.srcjar_sha256 + srcpath = repository_ctx.name + "-src.jar" if srcurls else "" + for url in srcurls: + if url.endswith(".jar"): + srcpath = url[url.rindex("/") + 1:].replace("-sources.jar", "-src.jar") + break + lines = [_HEADER, ""] + if repository_ctx.attr.rule_load: + lines.append(repository_ctx.attr.rule_load) + lines.append("") + if repository_ctx.attr.default_visibility: + lines.append("package(default_visibility = %s)" % ( + repository_ctx.attr.default_visibility + )) + lines.append("") + lines.append("licenses(%s)" % repr(repository_ctx.attr.licenses)) lines.append("") - if repository_ctx.attr.default_visibility: - lines.append("package(default_visibility = %s)" % ( - repository_ctx.attr.default_visibility)) - lines.append("") - lines.append("licenses(%s)" % repr(repository_ctx.attr.licenses)) - lines.append("") - lines.extend(_serialize_given_rule_import( - repository_ctx.attr.rule_name, name, path, srcpath, repository_ctx.attr, _PASS_PROPS, repository_ctx.attr.additional_rule_attrs)) - if (repository_ctx.attr.neverlink and - repository_ctx.attr.generated_linkable_rule_name): lines.extend(_serialize_given_rule_import( repository_ctx.attr.rule_name, - repository_ctx.attr.generated_linkable_rule_name, + name, path, srcpath, repository_ctx.attr, - [p for p in _PASS_PROPS if p != "neverlink"], - repository_ctx.attr.additional_rule_attrs)) - extra = repository_ctx.attr.extra_build_file_content - if extra: - lines.append(extra) - if not extra.endswith("\n"): - lines.append("") - repository_ctx.download(urls, path, sha) - if srcurls: - repository_ctx.download(srcurls, srcpath, srcsha) - repository_ctx.file("BUILD", "\n".join(lines)) - repository_ctx.file("jar/BUILD", "\n".join([ - _HEADER, - "", - "package(default_visibility = %r)" % ( - repository_ctx.attr.visibility or - repository_ctx.attr.default_visibility), - "", - "alias(", - " name = \"jar\",", - " actual = \"@%s\"," % repository_ctx.name, - ")", - "", - ])) + _PASS_PROPS, + repository_ctx.attr.additional_rule_attrs, + )) + if (repository_ctx.attr.neverlink and + repository_ctx.attr.generated_linkable_rule_name): + lines.extend(_serialize_given_rule_import( + repository_ctx.attr.rule_name, + repository_ctx.attr.generated_linkable_rule_name, + path, + srcpath, + repository_ctx.attr, + [p for p in _PASS_PROPS if p != "neverlink"], + repository_ctx.attr.additional_rule_attrs, + )) + extra = repository_ctx.attr.extra_build_file_content + if extra: + lines.append(extra) + if not extra.endswith("\n"): + lines.append("") + repository_ctx.download(urls, path, sha) + if srcurls: + repository_ctx.download(srcurls, srcpath, srcsha) + repository_ctx.file("BUILD", "\n".join(lines)) + repository_ctx.file("jar/BUILD", "\n".join([ + _HEADER, + "", + "package(default_visibility = %r)" % ( + repository_ctx.attr.visibility or + repository_ctx.attr.default_visibility + ), + "", + "alias(", + " name = \"jar\",", + " actual = \"@%s\"," % repository_ctx.name, + ")", + "", + ])) def _convert_to_url(artifact, server_urls): parts = artifact.split(":") - group_id_part = parts[0].replace(".","/") + group_id_part = parts[0].replace(".", "/") artifact_id = parts[1] version = parts[2] packaging = "jar" classifier_part = "" if len(parts) == 4: - packaging = parts[2] - version = parts[3] + packaging = parts[2] + version = parts[3] elif len(parts) == 5: - packaging = parts[2] - classifier_part = "-"+parts[3] - version = parts[4] + packaging = parts[2] + classifier_part = "-" + parts[3] + version = parts[4] final_name = artifact_id + "-" + version + classifier_part + "." + packaging - url_suffix = group_id_part+"/"+artifact_id + "/" + version + "/" + final_name + url_suffix = group_id_part + "/" + artifact_id + "/" + version + "/" + final_name urls = [] for server_url in server_urls: - urls.append(_concat_with_needed_slash(server_url, url_suffix)) + urls.append(_concat_with_needed_slash(server_url, url_suffix)) return urls def _concat_with_needed_slash(server_url, url_suffix): - if server_url.endswith("/"): - return server_url + url_suffix - else: - return server_url + "/" + url_suffix + if server_url.endswith("/"): + return server_url + url_suffix + else: + return server_url + "/" + url_suffix def _serialize_given_rule_import(rule_name, name, path, srcpath, attrs, props, additional_rule_attrs): - lines = [ - "%s(" % rule_name, - " name = %s," % repr(name), - " jars = [%s]," % repr(path), - ] - if srcpath: - lines.append(" srcjar = %s," % repr(srcpath)) - for prop in props: - value = getattr(attrs, prop, None) - if value: - if prop.endswith("_"): - prop = prop[:-1] - lines.append(" %s = %s," % (prop, repr(value))) - for attr_key in additional_rule_attrs: - lines.append(" %s = %s," % (attr_key, additional_rule_attrs[attr_key])) - lines.append(")") - lines.append("") - return lines + lines = [ + "%s(" % rule_name, + " name = %s," % repr(name), + " jars = [%s]," % repr(path), + ] + if srcpath: + lines.append(" srcjar = %s," % repr(srcpath)) + for prop in props: + value = getattr(attrs, prop, None) + if value: + if prop.endswith("_"): + prop = prop[:-1] + lines.append(" %s = %s," % (prop, repr(value))) + for attr_key in additional_rule_attrs: + lines.append(" %s = %s," % (attr_key, additional_rule_attrs[attr_key])) + lines.append(")") + lines.append("") + return lines jvm_import_external = repository_rule( - implementation=_jvm_import_external, - attrs={ - "rule_name": attr.string(mandatory=True), - "licenses": attr.string_list(mandatory=True, allow_empty=False), - "jar_urls": attr.string_list(mandatory=True, allow_empty=False), + implementation = _jvm_import_external, + attrs = { + "rule_name": attr.string(mandatory = True), + "licenses": attr.string_list(mandatory = True, allow_empty = False), + "jar_urls": attr.string_list(mandatory = True, allow_empty = False), "jar_sha256": attr.string(), "rule_load": attr.string(), "additional_rule_attrs": attr.string_dict(), @@ -174,12 +184,13 @@ "neverlink": attr.bool(), "generated_rule_name": attr.string(), "generated_linkable_rule_name": attr.string(), - "default_visibility": attr.string_list(default=["//visibility:public"]), + "default_visibility": attr.string_list(default = ["//visibility:public"]), "extra_build_file_content": attr.string(), - }) + }, +) def jvm_maven_import_external(artifact, server_urls, **kwargs): - jvm_import_external( - jar_urls = _convert_to_url(artifact, server_urls), - **kwargs - ) \ No newline at end of file + jvm_import_external( + jar_urls = _convert_to_url(artifact, server_urls), + **kwargs + )
diff --git a/tools/build_defs/repo/maven_rules.bzl b/tools/build_defs/repo/maven_rules.bzl index 953532d..8e18b9d 100644 --- a/tools/build_defs/repo/maven_rules.bzl +++ b/tools/build_defs/repo/maven_rules.bzl
@@ -44,101 +44,96 @@ MVN_PLUGIN = "org.apache.maven.plugins:maven-dependency-plugin:2.10" - def _execute(ctx, command): - return ctx.execute(["bash", "-c", """ + return ctx.execute(["bash", "-c", """ set -ex %s""" % command]) - # Fail fast def _check_dependencies(ctx): - for dep in DEPS: - if ctx.which(dep) == None: - fail("%s requires %s as a dependency. Please check your PATH." % (ctx.name, dep)) - + for dep in DEPS: + if ctx.which(dep) == None: + fail("%s requires %s as a dependency. Please check your PATH." % (ctx.name, dep)) def _validate_attr(ctx): - if hasattr(ctx.attr, "server") and (ctx.attr.server != None): - fail("%s specifies a 'server' attribute which is currently not supported." % ctx.name) - + if hasattr(ctx.attr, "server") and (ctx.attr.server != None): + fail("%s specifies a 'server' attribute which is currently not supported." % ctx.name) def _artifact_dir(coordinates): - return "/".join(coordinates.group_id.split(".") + - [coordinates.artifact_id, coordinates.version]) - + return "/".join(coordinates.group_id.split(".") + + [coordinates.artifact_id, coordinates.version]) # Creates a struct containing the different parts of an artifact's FQN. # If the fully_qualified_name does not specify a packaging and the rule does # not set a default packaging then JAR is assumed. -def _create_coordinates(fully_qualified_name, packaging="jar"): - parts = fully_qualified_name.split(":") - classifier = None +def _create_coordinates(fully_qualified_name, packaging = "jar"): + parts = fully_qualified_name.split(":") + classifier = None - if len(parts) == 3: - group_id, artifact_id, version = parts - # Updates the FQN with the default packaging so that the Maven plugin - # downloads the correct artifact. - fully_qualified_name = "%s:%s" % (fully_qualified_name, packaging) - elif len(parts) == 4: - group_id, artifact_id, version, packaging = parts - elif len(parts) == 5: - group_id, artifact_id, version, packaging, classifier = parts - else: - fail("Invalid fully qualified name for artifact: %s" % fully_qualified_name) + if len(parts) == 3: + group_id, artifact_id, version = parts - return struct( - fully_qualified_name = fully_qualified_name, - group_id = group_id, - artifact_id = artifact_id, - packaging = packaging, - classifier = classifier, - version = version, - ) + # Updates the FQN with the default packaging so that the Maven plugin + # downloads the correct artifact. + fully_qualified_name = "%s:%s" % (fully_qualified_name, packaging) + elif len(parts) == 4: + group_id, artifact_id, version, packaging = parts + elif len(parts) == 5: + group_id, artifact_id, version, packaging, classifier = parts + else: + fail("Invalid fully qualified name for artifact: %s" % fully_qualified_name) + return struct( + fully_qualified_name = fully_qualified_name, + group_id = group_id, + artifact_id = artifact_id, + packaging = packaging, + classifier = classifier, + version = version, + ) # NOTE: Please use this method to define ALL paths that the maven_* # rules use. Doing otherwise will lead to inconsistencies and/or errors. # # CONVENTION: *_path refers to files, *_dir refers to directories. def _create_paths(ctx, coordinates): - """Creates a struct that contains the paths to create the cache WORKSPACE""" + """Creates a struct that contains the paths to create the cache WORKSPACE""" - # e.g. guava-18.0.jar - artifact_filename = "%s-%s" % (coordinates.artifact_id, - coordinates.version) - if coordinates.classifier: - artifact_filename += "-" + coordinates.classifier - artifact_filename += "." + coordinates.packaging - sha1_filename = "%s.sha1" % artifact_filename + # e.g. guava-18.0.jar + artifact_filename = "%s-%s" % ( + coordinates.artifact_id, + coordinates.version, + ) + if coordinates.classifier: + artifact_filename += "-" + coordinates.classifier + artifact_filename += "." + coordinates.packaging + sha1_filename = "%s.sha1" % artifact_filename - # e.g. com/google/guava/guava/18.0 - relative_artifact_dir = _artifact_dir(coordinates) + # e.g. com/google/guava/guava/18.0 + relative_artifact_dir = _artifact_dir(coordinates) - # The symlink to the actual artifact is stored in this dir, along with the - # BUILD file. The dir has the same name as the packaging to support syntax - # like @guava//jar and @google_play_services//aar. - symlink_dir = coordinates.packaging + # The symlink to the actual artifact is stored in this dir, along with the + # BUILD file. The dir has the same name as the packaging to support syntax + # like @guava//jar and @google_play_services//aar. + symlink_dir = coordinates.packaging - m2 = ".m2" - m2_repo = "/".join([m2, "repository"]) # .m2/repository + m2 = ".m2" + m2_repo = "/".join([m2, "repository"]) # .m2/repository - return struct( - artifact_filename = artifact_filename, - sha1_filename = sha1_filename, + return struct( + artifact_filename = artifact_filename, + sha1_filename = sha1_filename, + symlink_dir = ctx.path(symlink_dir), - symlink_dir = ctx.path(symlink_dir), + # e.g. external/com_google_guava_guava/ \ + # .m2/repository/com/google/guava/guava/18.0/guava-18.0.jar + artifact_path = ctx.path("/".join([m2_repo, relative_artifact_dir, artifact_filename])), + artifact_dir = ctx.path("/".join([m2_repo, relative_artifact_dir])), + sha1_path = ctx.path("/".join([m2_repo, relative_artifact_dir, sha1_filename])), - # e.g. external/com_google_guava_guava/ \ - # .m2/repository/com/google/guava/guava/18.0/guava-18.0.jar - artifact_path = ctx.path("/".join([m2_repo, relative_artifact_dir, artifact_filename])), - artifact_dir = ctx.path("/".join([m2_repo, relative_artifact_dir])), - - sha1_path = ctx.path("/".join([m2_repo, relative_artifact_dir, sha1_filename])), - - # e.g. external/com_google_guava_guava/jar/guava-18.0.jar - symlink_artifact_path = ctx.path("/".join([symlink_dir, artifact_filename])), - ) + # e.g. external/com_google_guava_guava/jar/guava-18.0.jar + symlink_artifact_path = ctx.path("/".join([symlink_dir, artifact_filename])), + ) _maven_jar_build_file_template = """ # DO NOT EDIT: automatically generated BUILD file for maven_jar rule {rule_name} @@ -178,98 +173,95 @@ # Provides the syntax "@jar_name//jar" for dependencies def _generate_build_file(ctx, template, paths): - deps_string = "\n".join(["'%s'," % dep for dep in ctx.attr.deps]) - contents = template.format( - rule_name = ctx.name, - artifact_filename = paths.artifact_filename, - deps_string = deps_string) - ctx.file('%s/BUILD' % paths.symlink_dir, contents, False) - + deps_string = "\n".join(["'%s'," % dep for dep in ctx.attr.deps]) + contents = template.format( + rule_name = ctx.name, + artifact_filename = paths.artifact_filename, + deps_string = deps_string, + ) + ctx.file("%s/BUILD" % paths.symlink_dir, contents, False) def _file_exists(ctx, filename): - return _execute(ctx, "[[ -f %s ]] && exit 0 || exit 1" % filename).return_code == 0 - + return _execute(ctx, "[[ -f %s ]] && exit 0 || exit 1" % filename).return_code == 0 # Constructs the maven command to retrieve the dependencies from remote # repositories using the dependency plugin, and executes it. def _mvn_download(ctx, paths, fully_qualified_name): - # If a custom settings file exists, we'll use that. If not, Maven will use the default settings. - mvn_flags = "" - if hasattr(ctx.attr, "settings") and ctx.attr.settings != None: - ctx.symlink(ctx.attr.settings, "settings.xml") - mvn_flags += "-s %s " % "settings.xml" + # If a custom settings file exists, we'll use that. If not, Maven will use the default settings. + mvn_flags = "" + if hasattr(ctx.attr, "settings") and ctx.attr.settings != None: + ctx.symlink(ctx.attr.settings, "settings.xml") + mvn_flags += "-s %s " % "settings.xml" - # dependency:get step. Downloads the artifact into the local repository. - mvn_get = MVN_PLUGIN + ":get" - mvn_artifact = "-Dartifact=%s" % fully_qualified_name - mvn_transitive = "-Dtransitive=false" - if hasattr(ctx.attr, "repository") and ctx.attr.repository != "": - mvn_flags += "-Dmaven.repo.remote=%s " % ctx.attr.repository - command = " ".join(["mvn", mvn_flags, mvn_get, mvn_transitive, mvn_artifact]) - exec_result = _execute(ctx, command) - if exec_result.return_code != 0: - fail("%s\n%s\nFailed to fetch Maven dependency" % (exec_result.stdout, exec_result.stderr)) + # dependency:get step. Downloads the artifact into the local repository. + mvn_get = MVN_PLUGIN + ":get" + mvn_artifact = "-Dartifact=%s" % fully_qualified_name + mvn_transitive = "-Dtransitive=false" + if hasattr(ctx.attr, "repository") and ctx.attr.repository != "": + mvn_flags += "-Dmaven.repo.remote=%s " % ctx.attr.repository + command = " ".join(["mvn", mvn_flags, mvn_get, mvn_transitive, mvn_artifact]) + exec_result = _execute(ctx, command) + if exec_result.return_code != 0: + fail("%s\n%s\nFailed to fetch Maven dependency" % (exec_result.stdout, exec_result.stderr)) - # dependency:copy step. Moves the artifact from the local repository into //external. - mvn_copy = MVN_PLUGIN + ":copy" - mvn_output_dir = "-DoutputDirectory=%s" % paths.artifact_dir - command = " ".join(["mvn", mvn_flags, mvn_copy, mvn_artifact, mvn_output_dir]) - exec_result = _execute(ctx, command) - if exec_result.return_code != 0: - fail("%s\n%s\nFailed to fetch Maven dependency" % (exec_result.stdout, exec_result.stderr)) - + # dependency:copy step. Moves the artifact from the local repository into //external. + mvn_copy = MVN_PLUGIN + ":copy" + mvn_output_dir = "-DoutputDirectory=%s" % paths.artifact_dir + command = " ".join(["mvn", mvn_flags, mvn_copy, mvn_artifact, mvn_output_dir]) + exec_result = _execute(ctx, command) + if exec_result.return_code != 0: + fail("%s\n%s\nFailed to fetch Maven dependency" % (exec_result.stdout, exec_result.stderr)) def _check_sha1(ctx, paths, sha1): - actual_sha1 = _execute(ctx, "openssl sha1 %s | awk '{printf $2}'" % paths.artifact_path).stdout + actual_sha1 = _execute(ctx, "openssl sha1 %s | awk '{printf $2}'" % paths.artifact_path).stdout - if sha1.lower() != actual_sha1.lower(): - fail(("{rule_name} has SHA-1 of {actual_sha1}, " + - "does not match expected SHA-1 ({expected_sha1})").format( - rule_name = ctx.name, - expected_sha1 = sha1, - actual_sha1 = actual_sha1)) - else: - _execute(ctx, "echo %s %s > %s" % (sha1, paths.artifact_path, paths.sha1_path)) - + if sha1.lower() != actual_sha1.lower(): + fail(("{rule_name} has SHA-1 of {actual_sha1}, " + + "does not match expected SHA-1 ({expected_sha1})").format( + rule_name = ctx.name, + expected_sha1 = sha1, + actual_sha1 = actual_sha1, + )) + else: + _execute(ctx, "echo %s %s > %s" % (sha1, paths.artifact_path, paths.sha1_path)) def _maven_artifact_impl(ctx, default_rule_packaging, build_file_template): - # Ensure that we have all of the dependencies installed - _check_dependencies(ctx) + # Ensure that we have all of the dependencies installed + _check_dependencies(ctx) - # Provide warnings and errors about attributes - _validate_attr(ctx) + # Provide warnings and errors about attributes + _validate_attr(ctx) - # Create a struct to contain the different parts of the artifact FQN - coordinates = _create_coordinates(ctx.attr.artifact, default_rule_packaging) + # Create a struct to contain the different parts of the artifact FQN + coordinates = _create_coordinates(ctx.attr.artifact, default_rule_packaging) - # Create a struct to store the relative and absolute paths needed for this rule - paths = _create_paths(ctx, coordinates) + # Create a struct to store the relative and absolute paths needed for this rule + paths = _create_paths(ctx, coordinates) - _generate_build_file( - ctx = ctx, - template = build_file_template, - paths = paths, - ) - - if _execute(ctx, "mkdir -p %s" % paths.symlink_dir).return_code != 0: - fail("%s: Failed to create dirs in execution root.\n" % ctx.name) - - # Download the artifact - _mvn_download( - ctx = ctx, - paths = paths, - fully_qualified_name = coordinates.fully_qualified_name - ) - - if (ctx.attr.sha1 != ""): - _check_sha1( + _generate_build_file( ctx = ctx, + template = build_file_template, paths = paths, - sha1 = ctx.attr.sha1, ) - ctx.symlink(paths.artifact_path, paths.symlink_artifact_path) + if _execute(ctx, "mkdir -p %s" % paths.symlink_dir).return_code != 0: + fail("%s: Failed to create dirs in execution root.\n" % ctx.name) + # Download the artifact + _mvn_download( + ctx = ctx, + paths = paths, + fully_qualified_name = coordinates.fully_qualified_name, + ) + + if (ctx.attr.sha1 != ""): + _check_sha1( + ctx = ctx, + paths = paths, + sha1 = ctx.attr.sha1, + ) + + ctx.symlink(paths.artifact_path, paths.symlink_artifact_path) _common_maven_rule_attrs = { "artifact": attr.string( @@ -285,11 +277,10 @@ } def _maven_jar_impl(ctx): - _maven_artifact_impl(ctx, "jar", _maven_jar_build_file_template) - + _maven_artifact_impl(ctx, "jar", _maven_jar_build_file_template) def _maven_aar_impl(ctx): - _maven_artifact_impl(ctx, "aar", _maven_aar_build_file_template) + _maven_artifact_impl(ctx, "aar", _maven_aar_build_file_template) maven_jar = repository_rule( implementation = _maven_jar_impl, @@ -298,18 +289,17 @@ "repository": attr.string(default = ""), "server": attr.label(default = None), }.items()), - local=False, + local = False, ) maven_aar = repository_rule( - implementation=_maven_aar_impl, - attrs=_common_maven_rule_attrs, - local=False, + implementation = _maven_aar_impl, + attrs = _common_maven_rule_attrs, + local = False, ) - def _maven_dependency_plugin_impl(ctx): - _BUILD_FILE = """ + _BUILD_FILE = """ # DO NOT EDIT: automatically generated BUILD file for maven_dependency_plugin filegroup( @@ -318,9 +308,9 @@ visibility = ['//visibility:public'] ) """ - ctx.file("BUILD", _BUILD_FILE, False) + ctx.file("BUILD", _BUILD_FILE, False) - _SETTINGS_XML = """ + _SETTINGS_XML = """ <!-- # DO NOT EDIT: automatically generated settings.xml for maven_dependency_plugin --> <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" @@ -336,27 +326,25 @@ </mirrors> </settings> """.format( - localRepository = ctx.path("repository"), - mirror = MAVEN_CENTRAL_URL, - ) - settings_path = ctx.path("settings.xml") - ctx.file("%s" % settings_path, _SETTINGS_XML, False) + localRepository = ctx.path("repository"), + mirror = MAVEN_CENTRAL_URL, + ) + settings_path = ctx.path("settings.xml") + ctx.file("%s" % settings_path, _SETTINGS_XML, False) - # Download the plugin with transitive dependencies - mvn_flags = "-s %s" % settings_path - mvn_get = MVN_PLUGIN + ":get" - mvn_artifact = "-Dartifact=%s" % MVN_PLUGIN - command = " ".join(["mvn", mvn_flags, mvn_get, mvn_artifact]) + # Download the plugin with transitive dependencies + mvn_flags = "-s %s" % settings_path + mvn_get = MVN_PLUGIN + ":get" + mvn_artifact = "-Dartifact=%s" % MVN_PLUGIN + command = " ".join(["mvn", mvn_flags, mvn_get, mvn_artifact]) - exec_result = _execute(ctx, command) - if exec_result.return_code != 0: - fail("%s\nFailed to fetch Maven dependency" % exec_result.stderr) - + exec_result = _execute(ctx, command) + if exec_result.return_code != 0: + fail("%s\nFailed to fetch Maven dependency" % exec_result.stderr) _maven_dependency_plugin = repository_rule( - implementation=_maven_dependency_plugin_impl, + implementation = _maven_dependency_plugin_impl, ) - def maven_dependency_plugin(): - _maven_dependency_plugin(name = "m2") + _maven_dependency_plugin(name = "m2")
diff --git a/tools/build_defs/repo/utils.bzl b/tools/build_defs/repo/utils.bzl index d46b90e..f355f9a 100644 --- a/tools/build_defs/repo/utils.bzl +++ b/tools/build_defs/repo/utils.bzl
@@ -27,55 +27,54 @@ """ def workspace_and_buildfile(ctx): - """Utility function for writing WORKSPACE and, if requested, a BUILD file. + """Utility function for writing WORKSPACE and, if requested, a BUILD file. - It assumes the paramters name, build_file, and build_file_contents to be - present in ctx.attr, the latter two possibly with value None. + It assumes the paramters name, build_file, and build_file_contents to be + present in ctx.attr, the latter two possibly with value None. - Args: - ctx: The repository context of the repository rule calling this utility - function. - """ - if ctx.attr.build_file and ctx.attr.build_file_content: - ctx.fail("Only one of build_file and build_file_content can be provided.") + Args: + ctx: The repository context of the repository rule calling this utility + function. + """ + if ctx.attr.build_file and ctx.attr.build_file_content: + ctx.fail("Only one of build_file and build_file_content can be provided.") - if ctx.attr.workspace_file and ctx.attr.workspace_file_content: - ctx.fail("Only one of workspace_file and workspace_file_content can be provided.") + if ctx.attr.workspace_file and ctx.attr.workspace_file_content: + ctx.fail("Only one of workspace_file and workspace_file_content can be provided.") - if ctx.attr.workspace_file: - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - ctx.execute([bash_exe, "-c", "rm -f WORKSPACE"]) - ctx.symlink(ctx.attr.workspace_file, "WORKSPACE") - elif ctx.attr.workspace_file_content: - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - ctx.execute([bash_exe, "-c", "rm -f WORKSPACE"]) - ctx.file("WORKSPACE", ctx.attr.build_file_content) - else: - ctx.file("WORKSPACE", "workspace(name = \"{name}\")\n".format(name=ctx.name)) + if ctx.attr.workspace_file: + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + ctx.execute([bash_exe, "-c", "rm -f WORKSPACE"]) + ctx.symlink(ctx.attr.workspace_file, "WORKSPACE") + elif ctx.attr.workspace_file_content: + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + ctx.execute([bash_exe, "-c", "rm -f WORKSPACE"]) + ctx.file("WORKSPACE", ctx.attr.build_file_content) + else: + ctx.file("WORKSPACE", "workspace(name = \"{name}\")\n".format(name = ctx.name)) - if ctx.attr.build_file: - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - ctx.execute([bash_exe, "-c", "rm -f BUILD BUILD.bazel"]) - ctx.symlink(ctx.attr.build_file, "BUILD") - elif ctx.attr.build_file_content: - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - ctx.execute([bash_exe, "-c", "rm -f BUILD.bazel"]) - ctx.file("BUILD", ctx.attr.build_file_content) + if ctx.attr.build_file: + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + ctx.execute([bash_exe, "-c", "rm -f BUILD BUILD.bazel"]) + ctx.symlink(ctx.attr.build_file, "BUILD") + elif ctx.attr.build_file_content: + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + ctx.execute([bash_exe, "-c", "rm -f BUILD.bazel"]) + ctx.file("BUILD", ctx.attr.build_file_content) def patch(ctx): - """Implementation of patching an already extracted repository""" - bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" - for patchfile in ctx.attr.patches: - command = "{patchtool} -p0 < {patchfile}".format( - patchtool=ctx.attr.patch_tool, - patchfile=ctx.path(patchfile)) - st = ctx.execute([bash_exe, "-c", command]) - if st.return_code: - fail("Error applying patch %s:\n%s" % (str(patchfile), st.stderr)) - for cmd in ctx.attr.patch_cmds: - st = ctx.execute([bash_exe, "-c", cmd]) - if st.return_code: - fail("Error applying patch command %s:\n%s%s" - % (cmd, st.stdout, st.stderr)) - - + """Implementation of patching an already extracted repository""" + bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" + for patchfile in ctx.attr.patches: + command = "{patchtool} -p0 < {patchfile}".format( + patchtool = ctx.attr.patch_tool, + patchfile = ctx.path(patchfile), + ) + st = ctx.execute([bash_exe, "-c", command]) + if st.return_code: + fail("Error applying patch %s:\n%s" % (str(patchfile), st.stderr)) + for cmd in ctx.attr.patch_cmds: + st = ctx.execute([bash_exe, "-c", cmd]) + if st.return_code: + fail("Error applying patch command %s:\n%s%s" % + (cmd, st.stdout, st.stderr))
diff --git a/tools/build_rules/genproto.bzl b/tools/build_rules/genproto.bzl index f935e52..f63ba00 100644 --- a/tools/build_rules/genproto.bzl +++ b/tools/build_rules/genproto.bzl
@@ -18,25 +18,27 @@ proto_filetype = [".proto"] def cc_grpc_library(name, src): - basename = src[:-len(".proto")] - protoc_label = str(Label("//third_party/protobuf:protoc")) - cpp_plugin_label = str(Label("//third_party/grpc:cpp_plugin")) - native.genrule( - name = name + "_codegen", - srcs = [src], - tools = [protoc_label, cpp_plugin_label], - cmd = "\\\n".join([ - "$(location " + protoc_label + ")", - " --plugin=protoc-gen-grpc=$(location " + cpp_plugin_label + ")", - " --cpp_out=$(GENDIR)", - " --grpc_out=$(GENDIR)", - " $(location " + src + ")"]), - outs = [basename + ".grpc.pb.h", basename + ".grpc.pb.cc", basename + ".pb.cc", basename + ".pb.h"]) + basename = src[:-len(".proto")] + protoc_label = str(Label("//third_party/protobuf:protoc")) + cpp_plugin_label = str(Label("//third_party/grpc:cpp_plugin")) + native.genrule( + name = name + "_codegen", + srcs = [src], + tools = [protoc_label, cpp_plugin_label], + cmd = "\\\n".join([ + "$(location " + protoc_label + ")", + " --plugin=protoc-gen-grpc=$(location " + cpp_plugin_label + ")", + " --cpp_out=$(GENDIR)", + " --grpc_out=$(GENDIR)", + " $(location " + src + ")", + ]), + outs = [basename + ".grpc.pb.h", basename + ".grpc.pb.cc", basename + ".pb.cc", basename + ".pb.h"], + ) - native.cc_library( - name = name, - srcs = [basename + ".grpc.pb.cc", basename + ".pb.cc"], - hdrs = [basename + ".grpc.pb.h", basename + ".pb.h"], - deps = [str(Label("//third_party/grpc:grpc++_unsecure"))], - includes = ["."]) - + native.cc_library( + name = name, + srcs = [basename + ".grpc.pb.cc", basename + ".pb.cc"], + hdrs = [basename + ".grpc.pb.h", basename + ".pb.h"], + deps = [str(Label("//third_party/grpc:grpc++_unsecure"))], + includes = ["."], + )
diff --git a/tools/build_rules/java_rules_skylark.bzl b/tools/build_rules/java_rules_skylark.bzl index ec10383..50a6577 100644 --- a/tools/build_rules/java_rules_skylark.bzl +++ b/tools/build_rules/java_rules_skylark.bzl
@@ -20,177 +20,183 @@ # production ready. def java_library_impl(ctx): - javac_options = ctx.fragments.java.default_javac_flags - class_jar = ctx.outputs.class_jar - compile_time_jars = depset(order="topological") - runtime_jars = depset(order="topological") - for dep in ctx.attr.deps: - compile_time_jars += dep.compile_time_jars - runtime_jars += dep.runtime_jars + javac_options = ctx.fragments.java.default_javac_flags + class_jar = ctx.outputs.class_jar + compile_time_jars = depset(order = "topological") + runtime_jars = depset(order = "topological") + for dep in ctx.attr.deps: + compile_time_jars += dep.compile_time_jars + runtime_jars += dep.runtime_jars - jars = jar_filetype.filter(ctx.files.jars) - neverlink_jars = jar_filetype.filter(ctx.files.neverlink_jars) - compile_time_jars += jars + neverlink_jars - runtime_jars += jars - compile_time_jars_list = list(compile_time_jars) # TODO: This is weird. + jars = jar_filetype.filter(ctx.files.jars) + neverlink_jars = jar_filetype.filter(ctx.files.neverlink_jars) + compile_time_jars += jars + neverlink_jars + runtime_jars += jars + compile_time_jars_list = list(compile_time_jars) # TODO: This is weird. - build_output = class_jar.path + ".build_output" - java_output = class_jar.path + ".build_java" - javalist_output = class_jar.path + ".build_java_list" - sources = ctx.files.srcs + build_output = class_jar.path + ".build_output" + java_output = class_jar.path + ".build_java" + javalist_output = class_jar.path + ".build_java_list" + sources = ctx.files.srcs - sources_param_file = ctx.new_file(ctx.bin_dir, class_jar, "-2.params") - ctx.file_action( - output = sources_param_file, - content = cmd_helper.join_paths("\n", depset(sources)), - executable = False) + sources_param_file = ctx.new_file(ctx.bin_dir, class_jar, "-2.params") + ctx.file_action( + output = sources_param_file, + content = cmd_helper.join_paths("\n", depset(sources)), + executable = False, + ) - # Cleaning build output directory - cmd = "set -e;rm -rf " + build_output + " " + java_output + " " + javalist_output + "\n" - cmd += "mkdir " + build_output + " " + java_output + "\n" - files = " @" + sources_param_file.path + # Cleaning build output directory + cmd = "set -e;rm -rf " + build_output + " " + java_output + " " + javalist_output + "\n" + cmd += "mkdir " + build_output + " " + java_output + "\n" + files = " @" + sources_param_file.path - if ctx.files.srcjars: - files += " @" + javalist_output - for file in ctx.files.srcjars: - cmd += "%s tf %s | grep '\.java$' | sed 's|^|%s/|' >> %s\n" % (ctx.file._jar.path, file.path, java_output, javalist_output) - cmd += "unzip %s -d %s >/dev/null\n" % (file.path, java_output) + if ctx.files.srcjars: + files += " @" + javalist_output + for file in ctx.files.srcjars: + cmd += "%s tf %s | grep '\.java$' | sed 's|^|%s/|' >> %s\n" % (ctx.file._jar.path, file.path, java_output, javalist_output) + cmd += "unzip %s -d %s >/dev/null\n" % (file.path, java_output) - if ctx.files.srcs or ctx.files.srcjars: - cmd += ctx.file._javac.path - cmd += " " + " ".join(javac_options) - if compile_time_jars: - cmd += " -classpath '" + cmd_helper.join_paths(ctx.configuration.host_path_separator, compile_time_jars) + "'" - cmd += " -d " + build_output + files + "\n" + if ctx.files.srcs or ctx.files.srcjars: + cmd += ctx.file._javac.path + cmd += " " + " ".join(javac_options) + if compile_time_jars: + cmd += " -classpath '" + cmd_helper.join_paths(ctx.configuration.host_path_separator, compile_time_jars) + "'" + cmd += " -d " + build_output + files + "\n" - # We haven't got a good story for where these should end up, so - # stick them in the root of the jar. - for r in ctx.files.resources: - cmd += "cp %s %s\n" % (r.path, build_output) - cmd += (ctx.file._jar.path + " cf " + class_jar.path + " -C " + build_output + " .\n" + - "touch " + build_output + "\n") - ctx.action( - inputs = (sources + compile_time_jars_list + [sources_param_file] + - [ctx.file._jar] + ctx.files._jdk + ctx.files.resources + ctx.files.srcjars), - outputs = [class_jar], - mnemonic='JavacBootstrap', - command=cmd, - use_default_shell_env=True) + # We haven't got a good story for where these should end up, so + # stick them in the root of the jar. + for r in ctx.files.resources: + cmd += "cp %s %s\n" % (r.path, build_output) + cmd += (ctx.file._jar.path + " cf " + class_jar.path + " -C " + build_output + " .\n" + + "touch " + build_output + "\n") + ctx.action( + inputs = (sources + compile_time_jars_list + [sources_param_file] + + [ctx.file._jar] + ctx.files._jdk + ctx.files.resources + ctx.files.srcjars), + outputs = [class_jar], + mnemonic = "JavacBootstrap", + command = cmd, + use_default_shell_env = True, + ) - runfiles = ctx.runfiles(collect_data = True) + runfiles = ctx.runfiles(collect_data = True) - return struct(files = depset([class_jar]), - compile_time_jars = compile_time_jars + [class_jar], - runtime_jars = runtime_jars + [class_jar], - runfiles = runfiles) - + return struct( + files = depset([class_jar]), + compile_time_jars = compile_time_jars + [class_jar], + runtime_jars = runtime_jars + [class_jar], + runfiles = runfiles, + ) def java_binary_impl(ctx): - library_result = java_library_impl(ctx) + library_result = java_library_impl(ctx) - deploy_jar = ctx.outputs.deploy_jar - manifest = ctx.outputs.manifest - build_output = deploy_jar.path + ".build_output" - main_class = ctx.attr.main_class - ctx.file_action( - output = manifest, - content = "Main-Class: " + main_class + "\n", - executable = False) + deploy_jar = ctx.outputs.deploy_jar + manifest = ctx.outputs.manifest + build_output = deploy_jar.path + ".build_output" + main_class = ctx.attr.main_class + ctx.file_action( + output = manifest, + content = "Main-Class: " + main_class + "\n", + executable = False, + ) - # Cleaning build output directory - cmd = "set -e;rm -rf " + build_output + ";mkdir " + build_output + "\n" - for jar in library_result.runtime_jars: - cmd += "unzip -qn " + jar.path + " -d " + build_output + "\n" - cmd += (ctx.file._jar.path + " cmf " + manifest.path + " " + - deploy_jar.path + " -C " + build_output + " .\n" + - "touch " + build_output + "\n") + # Cleaning build output directory + cmd = "set -e;rm -rf " + build_output + ";mkdir " + build_output + "\n" + for jar in library_result.runtime_jars: + cmd += "unzip -qn " + jar.path + " -d " + build_output + "\n" + cmd += (ctx.file._jar.path + " cmf " + manifest.path + " " + + deploy_jar.path + " -C " + build_output + " .\n" + + "touch " + build_output + "\n") - ctx.action( - inputs=list(library_result.runtime_jars) + [manifest] + ctx.files._jdk, - outputs=[deploy_jar], - mnemonic='Deployjar', - command=cmd, - use_default_shell_env=True) + ctx.action( + inputs = list(library_result.runtime_jars) + [manifest] + ctx.files._jdk, + outputs = [deploy_jar], + mnemonic = "Deployjar", + command = cmd, + use_default_shell_env = True, + ) - # Write the wrapper. - executable = ctx.outputs.executable - ctx.file_action( - output = executable, - content = '\n'.join([ - "#!/bin/bash", - "# autogenerated - do not edit.", - "case \"$0\" in", - "/*) self=\"$0\" ;;", - "*) self=\"$PWD/$0\";;", - "esac", - "", - "if [[ -z \"$JAVA_RUNFILES\" ]]; then", - " if [[ -e \"${self}.runfiles\" ]]; then", - " export JAVA_RUNFILES=\"${self}.runfiles\"", - " fi", - " if [[ -n \"$JAVA_RUNFILES\" ]]; then", - " export TEST_SRCDIR=${TEST_SRCDIR:-$JAVA_RUNFILES}", - " fi", - "fi", - "", + # Write the wrapper. + executable = ctx.outputs.executable + ctx.file_action( + output = executable, + content = "\n".join([ + "#!/bin/bash", + "# autogenerated - do not edit.", + "case \"$0\" in", + "/*) self=\"$0\" ;;", + "*) self=\"$PWD/$0\";;", + "esac", + "", + "if [[ -z \"$JAVA_RUNFILES\" ]]; then", + " if [[ -e \"${self}.runfiles\" ]]; then", + " export JAVA_RUNFILES=\"${self}.runfiles\"", + " fi", + " if [[ -n \"$JAVA_RUNFILES\" ]]; then", + " export TEST_SRCDIR=${TEST_SRCDIR:-$JAVA_RUNFILES}", + " fi", + "fi", + "", + "jvm_bin=%s" % (ctx.file._java.path), + "if [[ ! -x ${jvm_bin} ]]; then", + " jvm_bin=$(which java)", + "fi", - "jvm_bin=%s" % (ctx.file._java.path), - "if [[ ! -x ${jvm_bin} ]]; then", - " jvm_bin=$(which java)", - "fi", + # We extract the .so into a temp dir. If only we could mmap + # directly from the zip file. + "DEPLOY=$(dirname $self)/$(basename %s)" % deploy_jar.path, - # We extract the .so into a temp dir. If only we could mmap - # directly from the zip file. - "DEPLOY=$(dirname $self)/$(basename %s)" % deploy_jar.path, - - # This works both on Darwin and Linux, with the darwin path - # looking like tmp.XXXXXXXX.{random} - "SO_DIR=$(mktemp -d -t tmp.XXXXXXXXX)", - "function cleanup() {", - " rm -rf ${SO_DIR}", - "}", - "trap cleanup EXIT", - "unzip -q -d ${SO_DIR} ${DEPLOY} \"*.so\" \"*.dll\" \"*.dylib\" >& /dev/null", - ("${jvm_bin} -Djava.library.path=${SO_DIR} %s -jar $DEPLOY \"$@\"" - % ' '.join(ctx.attr.jvm_flags)) , - "", + # This works both on Darwin and Linux, with the darwin path + # looking like tmp.XXXXXXXX.{random} + "SO_DIR=$(mktemp -d -t tmp.XXXXXXXXX)", + "function cleanup() {", + " rm -rf ${SO_DIR}", + "}", + "trap cleanup EXIT", + "unzip -q -d ${SO_DIR} ${DEPLOY} \"*.so\" \"*.dll\" \"*.dylib\" >& /dev/null", + ("${jvm_bin} -Djava.library.path=${SO_DIR} %s -jar $DEPLOY \"$@\"" % + " ".join(ctx.attr.jvm_flags)), + "", ]), - executable = True) + executable = True, + ) - runfiles = ctx.runfiles(files = [deploy_jar, executable] + ctx.files._jdk, collect_data = True) - files_to_build = depset([deploy_jar, manifest, executable]) - files_to_build += library_result.files + runfiles = ctx.runfiles(files = [deploy_jar, executable] + ctx.files._jdk, collect_data = True) + files_to_build = depset([deploy_jar, manifest, executable]) + files_to_build += library_result.files - return struct(files = files_to_build, runfiles = runfiles) - + return struct(files = files_to_build, runfiles = runfiles) def java_import_impl(ctx): - # TODO(bazel-team): Why do we need to filter here? The attribute - # already says only jars are allowed. - jars = depset(jar_filetype.filter(ctx.files.jars)) - neverlink_jars = depset(jar_filetype.filter(ctx.files.neverlink_jars)) - runfiles = ctx.runfiles(collect_data = True) - return struct(files = jars, - compile_time_jars = jars + neverlink_jars, - runtime_jars = jars, - runfiles = runfiles) - + # TODO(bazel-team): Why do we need to filter here? The attribute + # already says only jars are allowed. + jars = depset(jar_filetype.filter(ctx.files.jars)) + neverlink_jars = depset(jar_filetype.filter(ctx.files.neverlink_jars)) + runfiles = ctx.runfiles(collect_data = True) + return struct( + files = jars, + compile_time_jars = jars + neverlink_jars, + runtime_jars = jars, + runfiles = runfiles, + ) java_library_attrs = { - "_java": attr.label(default=Label("//tools/jdk:java"), single_file=True), - "_javac": attr.label(default=Label("//tools/jdk:javac"), single_file=True), - "_jar": attr.label(default=Label("//tools/jdk:jar"), single_file=True), - "_jdk": attr.label(default=Label("//tools/jdk:jdk"), allow_files=True), - "data": attr.label_list(allow_files=True, cfg="data"), - "resources": attr.label_list(allow_files=True), - "srcs": attr.label_list(allow_files=java_filetype), - "jars": attr.label_list(allow_files=jar_filetype), - "neverlink_jars": attr.label_list(allow_files=jar_filetype), - "srcjars": attr.label_list(allow_files=srcjar_filetype), + "_java": attr.label(default = Label("//tools/jdk:java"), single_file = True), + "_javac": attr.label(default = Label("//tools/jdk:javac"), single_file = True), + "_jar": attr.label(default = Label("//tools/jdk:jar"), single_file = True), + "_jdk": attr.label(default = Label("//tools/jdk:jdk"), allow_files = True), + "data": attr.label_list(allow_files = True, cfg = "data"), + "resources": attr.label_list(allow_files = True), + "srcs": attr.label_list(allow_files = java_filetype), + "jars": attr.label_list(allow_files = jar_filetype), + "neverlink_jars": attr.label_list(allow_files = jar_filetype), + "srcjars": attr.label_list(allow_files = srcjar_filetype), "deps": attr.label_list( - allow_files=False, - providers = ["compile_time_jars", "runtime_jars"]), - } + allow_files = False, + providers = ["compile_time_jars", "runtime_jars"], + ), +} java_library = rule( java_library_impl, @@ -198,7 +204,7 @@ outputs = { "class_jar": "lib%{name}.jar", }, - fragments = ['java', 'cpp'], + fragments = ["java", "cpp"], ) # A copy to avoid conflict with native rule. @@ -208,56 +214,60 @@ outputs = { "class_jar": "lib%{name}.jar", }, - fragments = ['java'], + fragments = ["java"], ) java_binary_attrs_common = dict(java_library_attrs) java_binary_attrs_common.update({ "jvm_flags": attr.string_list(), - "jvm": attr.label(default=Label("//tools/jdk:jdk"), allow_files=True), + "jvm": attr.label(default = Label("//tools/jdk:jdk"), allow_files = True), }) java_binary_attrs = dict(java_binary_attrs_common) -java_binary_attrs["main_class"] = attr.string(mandatory=True) +java_binary_attrs["main_class"] = attr.string(mandatory = True) java_binary_outputs = { "class_jar": "lib%{name}.jar", "deploy_jar": "%{name}_deploy.jar", - "manifest": "%{name}_MANIFEST.MF" + "manifest": "%{name}_MANIFEST.MF", } -java_binary = rule(java_binary_impl, - executable = True, - attrs = java_binary_attrs, - outputs = java_binary_outputs, - fragments = ['java', 'cpp'], +java_binary = rule( + java_binary_impl, + executable = True, + attrs = java_binary_attrs, + outputs = java_binary_outputs, + fragments = ["java", "cpp"], ) # A copy to avoid conflict with native rule -bootstrap_java_binary = rule(java_binary_impl, - executable = True, - attrs = java_binary_attrs, - outputs = java_binary_outputs, - fragments = ['java'], +bootstrap_java_binary = rule( + java_binary_impl, + executable = True, + attrs = java_binary_attrs, + outputs = java_binary_outputs, + fragments = ["java"], ) -java_test = rule(java_binary_impl, - executable = True, - attrs = dict(java_binary_attrs_common.items() + [ - ("main_class", attr.string(default="org.junit.runner.JUnitCore")), - # TODO(bazel-team): it would be better if we could offer a - # test_class attribute, but the "args" attribute is hard - # coded in the bazel infrastructure. - ]), - outputs = java_binary_outputs, - test = True, - fragments = ['java', 'cpp'], +java_test = rule( + java_binary_impl, + executable = True, + attrs = dict(java_binary_attrs_common.items() + [ + ("main_class", attr.string(default = "org.junit.runner.JUnitCore")), + # TODO(bazel-team): it would be better if we could offer a + # test_class attribute, but the "args" attribute is hard + # coded in the bazel infrastructure. + ]), + outputs = java_binary_outputs, + test = True, + fragments = ["java", "cpp"], ) java_import = rule( java_import_impl, attrs = { - "jars": attr.label_list(allow_files=jar_filetype), - "srcjar": attr.label(allow_files=srcjar_filetype), - "neverlink_jars": attr.label_list(allow_files=jar_filetype, default=[]), - }) + "jars": attr.label_list(allow_files = jar_filetype), + "srcjar": attr.label(allow_files = srcjar_filetype), + "neverlink_jars": attr.label_list(allow_files = jar_filetype, default = []), + }, +)
diff --git a/tools/build_rules/test_rules.bzl b/tools/build_rules/test_rules.bzl index d815129..c365021 100644 --- a/tools/build_rules/test_rules.bzl +++ b/tools/build_rules/test_rules.bzl
@@ -18,31 +18,33 @@ ### or sometimes pass depending on a trivial computation. def success_target(ctx, msg): - """Return a success for an analysis test. + """Return a success for an analysis test. - The test rule must have an executable output. + The test rule must have an executable output. - Args: - ctx: the Bazel rule context - msg: an informative message to display + Args: + ctx: the Bazel rule context + msg: an informative message to display - Returns: - a suitable rule implementation struct(), - with actions that always succeed at execution time. - """ - exe = ctx.outputs.executable - dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") - ctx.actions.write( - output=dat, - content=msg) - ctx.actions.write( - output=exe, - content="cat " + dat.path + " ; echo", - is_executable=True) - return struct(runfiles=ctx.runfiles([exe, dat])) + Returns: + a suitable rule implementation struct(), + with actions that always succeed at execution time. + """ + exe = ctx.outputs.executable + dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") + ctx.actions.write( + output = dat, + content = msg, + ) + ctx.actions.write( + output = exe, + content = "cat " + dat.path + " ; echo", + is_executable = True, + ) + return struct(runfiles = ctx.runfiles([exe, dat])) def _successful_test_impl(ctx): - return success_target(ctx, ctx.attr.msg) + return success_target(ctx, ctx.attr.msg) successful_test = rule( attrs = {"msg": attr.string(mandatory = True)}, @@ -52,32 +54,35 @@ ) def failure_target(ctx, msg): - """Return a failure for an analysis test. + """Return a failure for an analysis test. - The test rule must have an executable output. + The test rule must have an executable output. - Args: - ctx: the Bazel rule context - msg: an informative message to display + Args: + ctx: the Bazel rule context + msg: an informative message to display - Returns: - a suitable rule implementation struct(), - with actions that always fail at execution time. - """ - ### fail(msg) ### <--- This would fail at analysis time. - exe = ctx.outputs.executable - dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") - ctx.file_action( - output=dat, - content=msg) - ctx.file_action( - output=exe, - content="(cat " + dat.short_path + " ; echo ) >&2 ; exit 1", - executable=True) - return struct(runfiles=ctx.runfiles([exe, dat])) + Returns: + a suitable rule implementation struct(), + with actions that always fail at execution time. + """ + + ### fail(msg) ### <--- This would fail at analysis time. + exe = ctx.outputs.executable + dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") + ctx.file_action( + output = dat, + content = msg, + ) + ctx.file_action( + output = exe, + content = "(cat " + dat.short_path + " ; echo ) >&2 ; exit 1", + executable = True, + ) + return struct(runfiles = ctx.runfiles([exe, dat])) def _failed_test_impl(ctx): - return failure_target(ctx, ctx.attr.msg) + return failure_target(ctx, ctx.attr.msg) failed_test = rule( attrs = {"msg": attr.string(mandatory = True)}, @@ -88,151 +93,166 @@ ### Second, general purpose utilities -def assert_(condition, string="assertion failed", *args): - """Trivial assertion mechanism. +def assert_(condition, string = "assertion failed", *args): + """Trivial assertion mechanism. - Args: - condition: a generalized boolean expected to be true - string: a format string for the error message should the assertion fail - *args: format arguments for the error message should the assertion fail + Args: + condition: a generalized boolean expected to be true + string: a format string for the error message should the assertion fail + *args: format arguments for the error message should the assertion fail - Returns: - None. + Returns: + None. - Raises: - an error if the condition isn't true. - """ + Raises: + an error if the condition isn't true. + """ - if not condition: - fail(string % args) + if not condition: + fail(string % args) def strip_prefix(prefix, string): - assert_(string.startswith(prefix), - "%s does not start with %s", string, prefix) - return string[len(prefix):len(string)] + assert_( + string.startswith(prefix), + "%s does not start with %s", + string, + prefix, + ) + return string[len(prefix):len(string)] -def expectation_description(expect=None, expect_failure=None): - """Turn expectation of result or error into a string.""" - if expect_failure: - return "failure " + str(expect_failure) - else: - return "result " + repr(expect) +def expectation_description(expect = None, expect_failure = None): + """Turn expectation of result or error into a string.""" + if expect_failure: + return "failure " + str(expect_failure) + else: + return "result " + repr(expect) def check_results(result, failure, expect, expect_failure): - """See if actual computation results match expectations. + """See if actual computation results match expectations. - Args: - result: the result returned by the test if it ran to completion - failure: the failure message caught while testing, if any - expect: the expected result for a successful test, if no failure expected - expect_failure: the expected failure message for the test, if any + Args: + result: the result returned by the test if it ran to completion + failure: the failure message caught while testing, if any + expect: the expected result for a successful test, if no failure expected + expect_failure: the expected failure message for the test, if any - Returns: - a pair (tuple) of a boolean (true if success) and a message (string). - """ - wanted = expectation_description(expect, expect_failure) - found = expectation_description(result, failure) - if wanted == found: - return (True, "successfully computed " + wanted) - else: - return (False, "expect " + wanted + " but found " + found) + Returns: + a pair (tuple) of a boolean (true if success) and a message (string). + """ + wanted = expectation_description(expect, expect_failure) + found = expectation_description(result, failure) + if wanted == found: + return (True, "successfully computed " + wanted) + else: + return (False, "expect " + wanted + " but found " + found) -def load_results(name, result=None, failure=None, - expect=None, expect_failure=None): - """issue load-time results of a test. +def load_results( + name, + result = None, + failure = None, + expect = None, + expect_failure = None): + """issue load-time results of a test. - Args: - name: the name of the Bazel rule at load time. - result: the result returned by the test if it ran to completion - failure: the failure message caught while testing, if any - expect: the expected result for a successful test, if no failure expected - expect_failure: the expected failure message for the test, if any + Args: + name: the name of the Bazel rule at load time. + result: the result returned by the test if it ran to completion + failure: the failure message caught while testing, if any + expect: the expected result for a successful test, if no failure expected + expect_failure: the expected failure message for the test, if any - Returns: - None, after issuing a rule that will succeed at execution time if - expectations were met. - """ - (is_success, msg) = check_results(result, failure, expect, expect_failure) - this_test = successful_test if is_success else failed_test - return this_test(name=name, msg=msg) + Returns: + None, after issuing a rule that will succeed at execution time if + expectations were met. + """ + (is_success, msg) = check_results(result, failure, expect, expect_failure) + this_test = successful_test if is_success else failed_test + return this_test(name = name, msg = msg) -def analysis_results(ctx, result=None, failure=None, - expect=None, expect_failure=None): - """issue analysis-time results of a test. +def analysis_results( + ctx, + result = None, + failure = None, + expect = None, + expect_failure = None): + """issue analysis-time results of a test. - Args: - ctx: the Bazel rule context - result: the result returned by the test if it ran to completion - failure: the failure message caught while testing, if any - expect: the expected result for a successful test, if no failure expected - expect_failure: the expected failure message for the test, if any + Args: + ctx: the Bazel rule context + result: the result returned by the test if it ran to completion + failure: the failure message caught while testing, if any + expect: the expected result for a successful test, if no failure expected + expect_failure: the expected failure message for the test, if any - Returns: - a suitable rule implementation struct(), - with actions that succeed at execution time if expectation were met, - or fail at execution time if they didn't. - """ - (is_success, msg) = check_results(result, failure, expect, expect_failure) - this_test = success_target if is_success else failure_target - return this_test(ctx, msg) + Returns: + a suitable rule implementation struct(), + with actions that succeed at execution time if expectation were met, + or fail at execution time if they didn't. + """ + (is_success, msg) = check_results(result, failure, expect, expect_failure) + this_test = success_target if is_success else failure_target + return this_test(ctx, msg) ### Simple tests def _rule_test_impl(ctx): - """check that a rule generates the desired outputs and providers.""" - rule_ = ctx.attr.rule - rule_name = str(rule_.label) - exe = ctx.outputs.executable - if ctx.attr.generates: - # Generate the proper prefix to remove from generated files. - prefix_parts = [] + """check that a rule generates the desired outputs and providers.""" + rule_ = ctx.attr.rule + rule_name = str(rule_.label) + exe = ctx.outputs.executable + if ctx.attr.generates: + # Generate the proper prefix to remove from generated files. + prefix_parts = [] - if rule_.label.workspace_root: - # Create a prefix that is correctly relative to the output of this rule. - prefix_parts = ["..", strip_prefix("external/", rule_.label.workspace_root)] + if rule_.label.workspace_root: + # Create a prefix that is correctly relative to the output of this rule. + prefix_parts = ["..", strip_prefix("external/", rule_.label.workspace_root)] - if rule_.label.package: - prefix_parts.append(rule_.label.package) + if rule_.label.package: + prefix_parts.append(rule_.label.package) - prefix = "/".join(prefix_parts) + prefix = "/".join(prefix_parts) - if prefix: - # If the prefix isn't empty, it needs a trailing slash. - prefix = prefix + "/" + if prefix: + # If the prefix isn't empty, it needs a trailing slash. + prefix = prefix + "/" - # TODO(bazel-team): Use set() instead of sorted() once - # set comparison is implemented. - # TODO(bazel-team): Use a better way to determine if two paths refer to - # the same file. - generates = sorted(ctx.attr.generates) - generated = sorted([strip_prefix(prefix, f.short_path) - for f in rule_.files.to_list()]) - if generates != generated: - fail("rule %s generates %s not %s" - % (rule_name, repr(generated), repr(generates))) - provides = ctx.attr.provides - if provides: - files = [] - commands = [] - for k in provides.keys(): - if hasattr(rule_, k): - v = repr(getattr(rule_, k)) - else: - fail(("rule %s doesn't provide attribute %s. " - + "Its list of attributes is: %s") - % (rule_name, k, dir(rule_))) - file_ = ctx.new_file(ctx.genfiles_dir, exe, "." + k) - files += [file_] - regexp = provides[k] - commands += [ - "if ! grep %s %s ; then echo 'bad %s:' ; cat %s ; echo ; exit 1 ; fi" - % (repr(regexp), file_.short_path, k, file_.short_path)] - ctx.file_action(output=file_, content=v) - script = "\n".join(commands + ["true"]) - ctx.file_action(output=exe, content=script, executable=True) - return struct(runfiles=ctx.runfiles([exe] + files)) - else: - return success_target(ctx, "success") + # TODO(bazel-team): Use set() instead of sorted() once + # set comparison is implemented. + # TODO(bazel-team): Use a better way to determine if two paths refer to + # the same file. + generates = sorted(ctx.attr.generates) + generated = sorted([ + strip_prefix(prefix, f.short_path) + for f in rule_.files.to_list() + ]) + if generates != generated: + fail("rule %s generates %s not %s" % + (rule_name, repr(generated), repr(generates))) + provides = ctx.attr.provides + if provides: + files = [] + commands = [] + for k in provides.keys(): + if hasattr(rule_, k): + v = repr(getattr(rule_, k)) + else: + fail(("rule %s doesn't provide attribute %s. " + + "Its list of attributes is: %s") % + (rule_name, k, dir(rule_))) + file_ = ctx.new_file(ctx.genfiles_dir, exe, "." + k) + files += [file_] + regexp = provides[k] + commands += [ + "if ! grep %s %s ; then echo 'bad %s:' ; cat %s ; echo ; exit 1 ; fi" % + (repr(regexp), file_.short_path, k, file_.short_path), + ] + ctx.file_action(output = file_, content = v) + script = "\n".join(commands + ["true"]) + ctx.file_action(output = exe, content = script, executable = True) + return struct(runfiles = ctx.runfiles([exe] + files)) + else: + return success_target(ctx, "success") rule_test = rule( attrs = { @@ -246,36 +266,42 @@ ) def _file_test_impl(ctx): - """check that a file has a given content.""" - exe = ctx.outputs.executable - file_ = ctx.file.file - content = ctx.attr.content - regexp = ctx.attr.regexp - matches = ctx.attr.matches - if bool(content) == bool(regexp): - fail("Must specify one and only one of content or regexp") - if content and matches != -1: - fail("matches only makes sense with regexp") - if content: - dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") + """check that a file has a given content.""" + exe = ctx.outputs.executable + file_ = ctx.file.file + content = ctx.attr.content + regexp = ctx.attr.regexp + matches = ctx.attr.matches + if bool(content) == bool(regexp): + fail("Must specify one and only one of content or regexp") + if content and matches != -1: + fail("matches only makes sense with regexp") + if content: + dat = ctx.new_file(ctx.genfiles_dir, exe, ".dat") + ctx.file_action( + output = dat, + content = content, + ) + ctx.file_action( + output = exe, + content = "diff -u %s %s" % (dat.short_path, file_.short_path), + executable = True, + ) + return struct(runfiles = ctx.runfiles([exe, dat, file_])) + if matches != -1: + script = "[ %s == $(grep -c %s %s) ]" % ( + matches, + repr(regexp), + file_.short_path, + ) + else: + script = "grep %s %s" % (repr(regexp), file_.short_path) ctx.file_action( - output=dat, - content=content) - ctx.file_action( - output=exe, - content="diff -u %s %s" % (dat.short_path, file_.short_path), - executable=True) - return struct(runfiles=ctx.runfiles([exe, dat, file_])) - if matches != -1: - script = "[ %s == $(grep -c %s %s) ]" % ( - matches, repr(regexp), file_.short_path) - else: - script = "grep %s %s" % (repr(regexp), file_.short_path) - ctx.file_action( - output=exe, - content=script, - executable=True) - return struct(runfiles=ctx.runfiles([exe, file_])) + output = exe, + content = script, + executable = True, + ) + return struct(runfiles = ctx.runfiles([exe, file_])) file_test = rule( attrs = {
diff --git a/tools/build_rules/utilities.bzl b/tools/build_rules/utilities.bzl index 5574c63..2dc290c 100644 --- a/tools/build_rules/utilities.bzl +++ b/tools/build_rules/utilities.bzl
@@ -16,23 +16,22 @@ """This rule exposes the source jar of a java_*_library rule as a label.""" def _java_library_srcs_impl(ctx): - if len(ctx.attr.deps) != 1: - fail("Only one deps value supported", "deps") - dep = ctx.attr.deps[0] - return [DefaultInfo(files=depset(dep.java.source_jars))] - + if len(ctx.attr.deps) != 1: + fail("Only one deps value supported", "deps") + dep = ctx.attr.deps[0] + return [DefaultInfo(files = depset(dep.java.source_jars))] _java_library_srcs = rule( - implementation=_java_library_srcs_impl, - attrs={ - "deps": - attr.label_list( - mandatory=True, - non_empty=True, - providers=["java"],) - }) + implementation = _java_library_srcs_impl, + attrs = { + "deps": attr.label_list( + mandatory = True, + non_empty = True, + providers = ["java"], + ), + }, +) - -def java_library_srcs(name, deps, visibility=None, **kwargs): - """Provides the source jars generated by a java_*_library rule.""" - _java_library_srcs(name=name, deps=deps, visibility=visibility, **kwargs) +def java_library_srcs(name, deps, visibility = None, **kwargs): + """Provides the source jars generated by a java_*_library rule.""" + _java_library_srcs(name = name, deps = deps, visibility = visibility, **kwargs)
diff --git a/tools/cpp/alias_rules.bzl b/tools/cpp/alias_rules.bzl index fa2423a..2ab85d8 100644 --- a/tools/cpp/alias_rules.bzl +++ b/tools/cpp/alias_rules.bzl
@@ -13,8 +13,9 @@ # limitations under the License. """Skylark rules that stub out C++-related alias rules.""" + def cc_toolchain_alias(name): - if hasattr(native, "cc_toolchain_alias"): - native.cc_toolchain_alias(name=name) - else: - pass + if hasattr(native, "cc_toolchain_alias"): + native.cc_toolchain_alias(name = name) + else: + pass
diff --git a/tools/cpp/cc_configure.bzl b/tools/cpp/cc_configure.bzl index 01736aa..57954f6 100644 --- a/tools/cpp/cc_configure.bzl +++ b/tools/cpp/cc_configure.bzl
@@ -23,35 +23,37 @@ ) def cc_autoconf_impl(repository_ctx, overriden_tools = dict()): - paths = resolve_labels(repository_ctx, [ - "@bazel_tools//tools/cpp:BUILD.static.freebsd", - "@bazel_tools//tools/cpp:CROSSTOOL", - "@bazel_tools//tools/cpp:dummy_toolchain.bzl", - ]) + paths = resolve_labels(repository_ctx, [ + "@bazel_tools//tools/cpp:BUILD.static.freebsd", + "@bazel_tools//tools/cpp:CROSSTOOL", + "@bazel_tools//tools/cpp:dummy_toolchain.bzl", + ]) - repository_ctx.symlink( - paths["@bazel_tools//tools/cpp:dummy_toolchain.bzl"], "dummy_toolchain.bzl") - env = repository_ctx.os.environ - cpu_value = get_cpu_value(repository_ctx) - if "BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN" in env and env["BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN"] == "1": - repository_ctx.symlink(Label("@bazel_tools//tools/cpp:CROSSTOOL.empty"), "CROSSTOOL") - repository_ctx.symlink(Label("@bazel_tools//tools/cpp:BUILD.empty"), "BUILD") - elif cpu_value == "freebsd": - # This is defaulting to the static crosstool, we should eventually - # autoconfigure this platform too. Theorically, FreeBSD should be - # straightforward to add but we cannot run it in a docker container so - # skipping until we have proper tests for FreeBSD. - repository_ctx.symlink(paths["@bazel_tools//tools/cpp:CROSSTOOL"], "CROSSTOOL") - repository_ctx.symlink(paths["@bazel_tools//tools/cpp:BUILD.static.freebsd"], "BUILD") - elif cpu_value == "x64_windows": - # TODO(ibiryukov): overriden_tools are only supported in configure_unix_toolchain. - # We might want to add that to Windows too(at least for msys toolchain). - configure_windows_toolchain(repository_ctx) - elif (cpu_value == "darwin" and - ("BAZEL_USE_CPP_ONLY_TOOLCHAIN" not in env or env["BAZEL_USE_CPP_ONLY_TOOLCHAIN"] != "1")): - configure_osx_toolchain(repository_ctx, overriden_tools) - else: - configure_unix_toolchain(repository_ctx, cpu_value, overriden_tools) + repository_ctx.symlink( + paths["@bazel_tools//tools/cpp:dummy_toolchain.bzl"], + "dummy_toolchain.bzl", + ) + env = repository_ctx.os.environ + cpu_value = get_cpu_value(repository_ctx) + if "BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN" in env and env["BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN"] == "1": + repository_ctx.symlink(Label("@bazel_tools//tools/cpp:CROSSTOOL.empty"), "CROSSTOOL") + repository_ctx.symlink(Label("@bazel_tools//tools/cpp:BUILD.empty"), "BUILD") + elif cpu_value == "freebsd": + # This is defaulting to the static crosstool, we should eventually + # autoconfigure this platform too. Theorically, FreeBSD should be + # straightforward to add but we cannot run it in a docker container so + # skipping until we have proper tests for FreeBSD. + repository_ctx.symlink(paths["@bazel_tools//tools/cpp:CROSSTOOL"], "CROSSTOOL") + repository_ctx.symlink(paths["@bazel_tools//tools/cpp:BUILD.static.freebsd"], "BUILD") + elif cpu_value == "x64_windows": + # TODO(ibiryukov): overriden_tools are only supported in configure_unix_toolchain. + # We might want to add that to Windows too(at least for msys toolchain). + configure_windows_toolchain(repository_ctx) + elif (cpu_value == "darwin" and + ("BAZEL_USE_CPP_ONLY_TOOLCHAIN" not in env or env["BAZEL_USE_CPP_ONLY_TOOLCHAIN"] != "1")): + configure_osx_toolchain(repository_ctx, overriden_tools) + else: + configure_unix_toolchain(repository_ctx, cpu_value, overriden_tools) cc_autoconf = repository_rule( environ = [ @@ -92,9 +94,10 @@ ) def cc_configure(): - """A C++ configuration rules that generate the crosstool file.""" - cc_autoconf(name="local_config_cc") - native.bind(name="cc_toolchain", actual="@local_config_cc//:toolchain") - native.register_toolchains( - # Use register_toolchain's target pattern expansion to register all toolchains in the package. - "@local_config_cc//:all") + """A C++ configuration rules that generate the crosstool file.""" + cc_autoconf(name = "local_config_cc") + native.bind(name = "cc_toolchain", actual = "@local_config_cc//:toolchain") + native.register_toolchains( + # Use register_toolchain's target pattern expansion to register all toolchains in the package. + "@local_config_cc//:all", + )
diff --git a/tools/cpp/compiler_flag.bzl b/tools/cpp/compiler_flag.bzl index 4b134a1..622a0b4 100644 --- a/tools/cpp/compiler_flag.bzl +++ b/tools/cpp/compiler_flag.bzl
@@ -17,12 +17,12 @@ load("//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain") def _compiler_flag_impl(ctx): - toolchain = find_cpp_toolchain(ctx) - return [config_common.FeatureFlagInfo(value = toolchain.compiler)] + toolchain = find_cpp_toolchain(ctx) + return [config_common.FeatureFlagInfo(value = toolchain.compiler)] compiler_flag = rule( implementation = _compiler_flag_impl, attrs = { - "_cc_toolchain": attr.label(default=Label("//tools/cpp:current_cc_toolchain")), - } + "_cc_toolchain": attr.label(default = Label("//tools/cpp:current_cc_toolchain")), + }, )
diff --git a/tools/cpp/crosstool_lib.bzl b/tools/cpp/crosstool_lib.bzl index a6c4916..67db4c5 100644 --- a/tools/cpp/crosstool_lib.bzl +++ b/tools/cpp/crosstool_lib.bzl
@@ -14,400 +14,458 @@ # limitations under the License. """Library of common crosstool features.""" -load("@bazel_tools//tools/cpp:crosstool_utils.bzl", - "feature", - "simple_feature", - "flag_set", - "flag_group", - "flags", - "COMPILE_ACTIONS", - "LINK_ACTIONS", - "ARCHIVE_ACTIONS") - +load( + "@bazel_tools//tools/cpp:crosstool_utils.bzl", + "ARCHIVE_ACTIONS", + "COMPILE_ACTIONS", + "LINK_ACTIONS", + "feature", + "flag_group", + "flag_set", + "flags", + "simple_feature", +) def get_features_to_appear_first(platform): - """Returns standard features that should appear in the top of the toolchain. + """Returns standard features that should appear in the top of the toolchain. - Args: - platform: one of [ k8, darwin, msvc ] + Args: + platform: one of [ k8, darwin, msvc ] - Returns: - a collection of features to be put into crosstool - """ - return [ - simple_feature("no_legacy_features", [], []), - simple_feature( - "legacy_compile_flags", - COMPILE_ACTIONS, - ["%{legacy_compile_flags}"], - expand_if_all_available=["legacy_compile_flags"], - iterate_over="legacy_compile_flags"), - simple_feature( - "dependency_file", - COMPILE_ACTIONS, - ["-MD", "-MF", "%{dependency_file}"], - expand_if_all_available=["dependency_file"]), - simple_feature( - "random_seed", - COMPILE_ACTIONS, - ["-frandom-seed=%{output_file}"]), - simple_feature( - "pic", - COMPILE_ACTIONS, - ["-fPIC"], - expand_if_all_available=["pic"]), - simple_feature( - "per_object_debug_info", - COMPILE_ACTIONS, - ["-gsplit-dwarf"], - expand_if_all_available=["per_object_debug_info_file"]), - simple_feature( - "preprocessor_defines", - COMPILE_ACTIONS, - ["-D%{preprocessor_defines}"], - iterate_over="preprocessor_defines", - expand_if_all_available=["preprocessor_defines"]), - simple_feature( - "includes", - COMPILE_ACTIONS, - ["-include", "%{includes}"], - iterate_over="includes", - expand_if_all_available=["includes"]), - simple_feature( - "quote_include_paths", - COMPILE_ACTIONS, - ["-iquote", "%{quote_include_paths}"], - iterate_over="quote_include_paths", - expand_if_all_available=["quote_include_paths"]), - simple_feature( - "include_paths", - COMPILE_ACTIONS, - ["-I%{include_paths}"], - iterate_over="include_paths", - expand_if_all_available=["include_paths"]), - simple_feature( - "system_include_paths", - COMPILE_ACTIONS, - ["-isystem", "%{system_include_paths}"], - iterate_over="system_include_paths", - expand_if_all_available=["system_include_paths"]), - simple_feature( - "symbol_counts", - LINK_ACTIONS, - ["-Wl,--print-symbol-counts=%{symbol_counts_output}"], - expand_if_all_available=["symbol_counts_output"]), - simple_feature( - "shared_flag", - LINK_ACTIONS, - ["-shared"], - expand_if_all_available=["symbol_counts_output"]), - simple_feature( - "output_execpath_flags", - LINK_ACTIONS, - ["-o", "%{output_execpath}"], - expand_if_all_available=["output_execpath"]), - simple_feature( - "runtime_library_search_directories", - LINK_ACTIONS, - [_runtime_library_directory_flag(platform)], - iterate_over="runtime_library_search_directories", - expand_if_all_available=["runtime_library_search_directories"]), - simple_feature( - "library_search_directories", - LINK_ACTIONS, - ["-L%{library_search_directories}"], - iterate_over="library_search_directories", - expand_if_all_available=["library_search_directories"]), - simple_feature("_archiver_flags", ARCHIVE_ACTIONS, _archiver_flags(platform)), - feature( - "libraries_to_link", [ - flag_set(ARCHIVE_ACTIONS, [ - flag_group([ + Returns: + a collection of features to be put into crosstool + """ + return [ + simple_feature("no_legacy_features", [], []), + simple_feature( + "legacy_compile_flags", + COMPILE_ACTIONS, + ["%{legacy_compile_flags}"], + expand_if_all_available = ["legacy_compile_flags"], + iterate_over = "legacy_compile_flags", + ), + simple_feature( + "dependency_file", + COMPILE_ACTIONS, + ["-MD", "-MF", "%{dependency_file}"], + expand_if_all_available = ["dependency_file"], + ), + simple_feature( + "random_seed", + COMPILE_ACTIONS, + ["-frandom-seed=%{output_file}"], + ), + simple_feature( + "pic", + COMPILE_ACTIONS, + ["-fPIC"], + expand_if_all_available = ["pic"], + ), + simple_feature( + "per_object_debug_info", + COMPILE_ACTIONS, + ["-gsplit-dwarf"], + expand_if_all_available = ["per_object_debug_info_file"], + ), + simple_feature( + "preprocessor_defines", + COMPILE_ACTIONS, + ["-D%{preprocessor_defines}"], + iterate_over = "preprocessor_defines", + expand_if_all_available = ["preprocessor_defines"], + ), + simple_feature( + "includes", + COMPILE_ACTIONS, + ["-include", "%{includes}"], + iterate_over = "includes", + expand_if_all_available = ["includes"], + ), + simple_feature( + "quote_include_paths", + COMPILE_ACTIONS, + ["-iquote", "%{quote_include_paths}"], + iterate_over = "quote_include_paths", + expand_if_all_available = ["quote_include_paths"], + ), + simple_feature( + "include_paths", + COMPILE_ACTIONS, + ["-I%{include_paths}"], + iterate_over = "include_paths", + expand_if_all_available = ["include_paths"], + ), + simple_feature( + "system_include_paths", + COMPILE_ACTIONS, + ["-isystem", "%{system_include_paths}"], + iterate_over = "system_include_paths", + expand_if_all_available = ["system_include_paths"], + ), + simple_feature( + "symbol_counts", + LINK_ACTIONS, + ["-Wl,--print-symbol-counts=%{symbol_counts_output}"], + expand_if_all_available = ["symbol_counts_output"], + ), + simple_feature( + "shared_flag", + LINK_ACTIONS, + ["-shared"], + expand_if_all_available = ["symbol_counts_output"], + ), + simple_feature( + "output_execpath_flags", + LINK_ACTIONS, + ["-o", "%{output_execpath}"], + expand_if_all_available = ["output_execpath"], + ), + simple_feature( + "runtime_library_search_directories", + LINK_ACTIONS, + [_runtime_library_directory_flag(platform)], + iterate_over = "runtime_library_search_directories", + expand_if_all_available = ["runtime_library_search_directories"], + ), + simple_feature( + "library_search_directories", + LINK_ACTIONS, + ["-L%{library_search_directories}"], + iterate_over = "library_search_directories", + expand_if_all_available = ["library_search_directories"], + ), + simple_feature("_archiver_flags", ARCHIVE_ACTIONS, _archiver_flags(platform)), + feature( + "libraries_to_link", + [ + flag_set(ARCHIVE_ACTIONS, [ flag_group( - flags("%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "object_file"]]), + [ + flag_group( + flags("%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "object_file"]], + ), + flag_group( + flags("%{libraries_to_link.object_files}"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + iterate_over = "libraries_to_link.object_files", + ), + ], + iterate_over = "libraries_to_link", + expand_if_all_available = ["libraries_to_link"], + ), + ]), + flag_set(LINK_ACTIONS, [ flag_group( - flags("%{libraries_to_link.object_files}"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]], - iterate_over="libraries_to_link.object_files"), - ], - iterate_over="libraries_to_link", - expand_if_all_available=["libraries_to_link"]) - ]), - flag_set(LINK_ACTIONS, [ - flag_group([ - flag_group( - flags("-Wl,--start-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]] - ), - ] + - _libraries_to_link_flag_groupss(platform) + [ - flag_group( - flags("-Wl,--end-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]] - ), - ], - iterate_over="libraries_to_link" - ), - flag_group(flags("-Wl,@%{thinlto_param_file}"), expand_if_true=["thinlto_param_file"]) - ]) - ]), - simple_feature( - "force_pic_flags", - ["c++-link-executable"], - ["-pie"], - expand_if_all_available=["force_pic"]), - simple_feature( - "user_link_flags", - LINK_ACTIONS, - ["%{user_link_flags}"], - iterate_over="user_link_flags", - expand_if_all_available=["user_link_flags"]), - simple_feature( - "legacy_link_flags", - LINK_ACTIONS, - ["%{legacy_link_flags}"], - iterate_over="legacy_link_flags", - expand_if_all_available=["legacy_link_flags"]), - simple_feature( - "fission_support", - LINK_ACTIONS, - ["-Wl,--gdb-index"], - expand_if_all_available=["is_using_fission"]), - simple_feature( - "strip_debug_symbols", - LINK_ACTIONS, - ["-Wl,-S"], - expand_if_all_available=["strip_debug_symbols"]), - _coverage_feature(platform), - simple_feature("strip_flags", ["strip"], _strip_flags(platform)), + [ + flag_group( + flags("-Wl,--start-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + ] + + _libraries_to_link_flag_groupss(platform) + [ + flag_group( + flags("-Wl,--end-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + ], + iterate_over = "libraries_to_link", + ), + flag_group(flags("-Wl,@%{thinlto_param_file}"), expand_if_true = ["thinlto_param_file"]), + ]), + ], + ), + simple_feature( + "force_pic_flags", + ["c++-link-executable"], + ["-pie"], + expand_if_all_available = ["force_pic"], + ), + simple_feature( + "user_link_flags", + LINK_ACTIONS, + ["%{user_link_flags}"], + iterate_over = "user_link_flags", + expand_if_all_available = ["user_link_flags"], + ), + simple_feature( + "legacy_link_flags", + LINK_ACTIONS, + ["%{legacy_link_flags}"], + iterate_over = "legacy_link_flags", + expand_if_all_available = ["legacy_link_flags"], + ), + simple_feature( + "fission_support", + LINK_ACTIONS, + ["-Wl,--gdb-index"], + expand_if_all_available = ["is_using_fission"], + ), + simple_feature( + "strip_debug_symbols", + LINK_ACTIONS, + ["-Wl,-S"], + expand_if_all_available = ["strip_debug_symbols"], + ), + _coverage_feature(platform), + simple_feature("strip_flags", ["strip"], _strip_flags(platform)), ] - def get_features_to_appear_last(platform): - """Returns standard features that should appear at the end of the toolchain. + """Returns standard features that should appear at the end of the toolchain. - Args: - platform: one of [ k8, darwin, msvc ] + Args: + platform: one of [ k8, darwin, msvc ] - Returns: - a collection of features to be put into crosstool - """ - return [ - simple_feature( - "user_compile_flags", - COMPILE_ACTIONS, - ["%{user_compile_flags}"], - expand_if_all_available=["user_compile_flags"], - iterate_over="user_compile_flags"), - simple_feature( - "sysroot", - COMPILE_ACTIONS + LINK_ACTIONS, - ["--sysroot=%{sysroot}"], - expand_if_all_available=["sysroot"]), - simple_feature( - "unfiltered_compile_flags", - COMPILE_ACTIONS, - ["%{unfiltered_compile_flags}"], - expand_if_all_available=["unfiltered_compile_flags"], - iterate_over="unfiltered_compile_flags"), - simple_feature( - "linker_param_file", - LINK_ACTIONS, - [_linker_param_file_flag(platform)], - expand_if_all_available=["linker_param_file"]), - simple_feature( - "archiver_param_file", - ARCHIVE_ACTIONS, - [_archiver_param_file_flag(platform)], - expand_if_all_available=["linker_param_file"]), - simple_feature( - "compiler_input_flags", - COMPILE_ACTIONS, - ["-c", "%{source_file}"], - expand_if_all_available=["source_file"]), - feature( - "compiler_output_flags", [ - flag_set(COMPILE_ACTIONS,[ - flag_group( - flags("-S"), - expand_if_all_available=["output_assembly_file"], - ), - flag_group( - flags("-E"), - expand_if_all_available=["output_preprocess_file"], - ), - flag_group( - flags("-o", "%{output_file}"), - expand_if_all_available=["output_file"], - ), - ]) - ] - ), - ] - + Returns: + a collection of features to be put into crosstool + """ + return [ + simple_feature( + "user_compile_flags", + COMPILE_ACTIONS, + ["%{user_compile_flags}"], + expand_if_all_available = ["user_compile_flags"], + iterate_over = "user_compile_flags", + ), + simple_feature( + "sysroot", + COMPILE_ACTIONS + LINK_ACTIONS, + ["--sysroot=%{sysroot}"], + expand_if_all_available = ["sysroot"], + ), + simple_feature( + "unfiltered_compile_flags", + COMPILE_ACTIONS, + ["%{unfiltered_compile_flags}"], + expand_if_all_available = ["unfiltered_compile_flags"], + iterate_over = "unfiltered_compile_flags", + ), + simple_feature( + "linker_param_file", + LINK_ACTIONS, + [_linker_param_file_flag(platform)], + expand_if_all_available = ["linker_param_file"], + ), + simple_feature( + "archiver_param_file", + ARCHIVE_ACTIONS, + [_archiver_param_file_flag(platform)], + expand_if_all_available = ["linker_param_file"], + ), + simple_feature( + "compiler_input_flags", + COMPILE_ACTIONS, + ["-c", "%{source_file}"], + expand_if_all_available = ["source_file"], + ), + feature( + "compiler_output_flags", + [ + flag_set(COMPILE_ACTIONS, [ + flag_group( + flags("-S"), + expand_if_all_available = ["output_assembly_file"], + ), + flag_group( + flags("-E"), + expand_if_all_available = ["output_preprocess_file"], + ), + flag_group( + flags("-o", "%{output_file}"), + expand_if_all_available = ["output_file"], + ), + ]), + ], + ), + ] def _is_linux(platform): - return platform == "k8" - + return platform == "k8" def _is_darwin(platform): - return platform == "darwin" - + return platform == "darwin" def _is_msvc(platform): - return platform == "msvc" - + return platform == "msvc" def _coverage_feature(use_llvm_format): - if use_llvm_format: - compile_flags = flags("-fprofile-instr-generate", "-fcoverage-mapping") - link_flags = flags("-fprofile-instr-generate") - else: - compile_flags = flags("-fprofile-arcs", "-ftest-coverage") - link_flags = flags("--coverage") - return feature( - "coverage", - [ - flag_set(COMPILE_ACTIONS, [ flag_group(compile_flags) ]), - flag_set(LINK_ACTIONS, [ flag_group(link_flags) ]), - ], - enabled = False, - provides = "profile") - + if use_llvm_format: + compile_flags = flags("-fprofile-instr-generate", "-fcoverage-mapping") + link_flags = flags("-fprofile-instr-generate") + else: + compile_flags = flags("-fprofile-arcs", "-ftest-coverage") + link_flags = flags("--coverage") + return feature( + "coverage", + [ + flag_set(COMPILE_ACTIONS, [flag_group(compile_flags)]), + flag_set(LINK_ACTIONS, [flag_group(link_flags)]), + ], + enabled = False, + provides = "profile", + ) def _runtime_library_directory_flag(platform): - if _is_linux(platform): - return "-Wl,-rpath,$ORIGIN/%{runtime_library_search_directories}" - elif _is_darwin(platform): - return "-Wl,-rpath,@loader_path/%{runtime_library_search_directories}" - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) - + if _is_linux(platform): + return "-Wl,-rpath,$ORIGIN/%{runtime_library_search_directories}" + elif _is_darwin(platform): + return "-Wl,-rpath,@loader_path/%{runtime_library_search_directories}" + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform) def _archiver_flags(platform): - if _is_linux(platform): - return ["rcsD", "%{output_execpath}"] - elif _is_darwin(platform): - return ["-static", "-s", "-o", "%{output_execpath}"] - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) - + if _is_linux(platform): + return ["rcsD", "%{output_execpath}"] + elif _is_darwin(platform): + return ["-static", "-s", "-o", "%{output_execpath}"] + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform) def _library_to_link_with_worce_load(variable_type, variable, flag = "", iterate = False): - return [ - flag_group([ - flag_group( - flags( - "-Wl,-force_load," + flag + "%{" + variable + "}", - expand_if_true=["libraries_to_link.is_whole_archive"])), - flag_group( - flags( - flag + "%{" + variable + "}", - expand_if_false=["libraries_to_link.is_whole_archive"])), - ], - iterate_over=variable if iterate else None, - expand_if_equal=[["libraries_to_link.type", variable_type]]), - ] - + return [ + flag_group( + [ + flag_group( + flags( + "-Wl,-force_load," + flag + "%{" + variable + "}", + expand_if_true = ["libraries_to_link.is_whole_archive"], + ), + ), + flag_group( + flags( + flag + "%{" + variable + "}", + expand_if_false = ["libraries_to_link.is_whole_archive"], + ), + ), + ], + iterate_over = variable if iterate else None, + expand_if_equal = [["libraries_to_link.type", variable_type]], + ), + ] def _libraries_to_link_flag_groupss(platform): - if _is_linux(platform): - return [ - flag_group( - flags("-Wl,-whole-archive"), - expand_if_true=["libraries_to_link.is_whole_archive"]), - flag_group( - flags("-Wl,--start-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]]), - flag_group( - flags("%{libraries_to_link.object_files}"), - iterate_over="libraries_to_link.object_files", - expand_if_equal=[["libraries_to_link.type", "object_file_group"]]), - flag_group( - flags("-Wl,--end-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]]), - flag_group( - flags("%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "object_file"]]), - flag_group( - flags("%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "interface_library"]]), - flag_group( - flags("%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "static_library"]]), - flag_group( - flags("-l%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "dynamic_library"]]), - flag_group( - flags("-l:%{libraries_to_link.name}"), - expand_if_equal=[["libraries_to_link.type", "versioned_dynamic_library"]]), - flag_group( - flags("-Wl,-no-whole-archive"), - expand_if_true=["libraries_to_link.is_whole_archive"]), - ] - if _is_darwin(platform): - return [ - flag_group( - flags("-Wl,--start-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]]), - _library_to_link_with_worce_load( - "object_file_group", "libraries_to_link.object_files", iterate = True), - flag_group( - flags("-Wl,--end-lib"), - expand_if_equal=[["libraries_to_link.type", "object_file_group"]]), - _library_to_link_with_worce_load("object_file", "libraries_to_link.name"), - _library_to_link_with_worce_load("interface_library", "libraries_to_link.name"), - _library_to_link_with_worce_load("static_library", "libraries_to_link.name"), - _library_to_link_with_worce_load("dynamic_library", "libraries_to_link.name", flag="-l"), - _library_to_link_with_worce_load("versioned_dynamic_library", "libraries_to_link.name", flag="-l:"), - ] - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) - + if _is_linux(platform): + return [ + flag_group( + flags("-Wl,-whole-archive"), + expand_if_true = ["libraries_to_link.is_whole_archive"], + ), + flag_group( + flags("-Wl,--start-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + flag_group( + flags("%{libraries_to_link.object_files}"), + iterate_over = "libraries_to_link.object_files", + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + flag_group( + flags("-Wl,--end-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + flag_group( + flags("%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "object_file"]], + ), + flag_group( + flags("%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "interface_library"]], + ), + flag_group( + flags("%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "static_library"]], + ), + flag_group( + flags("-l%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "dynamic_library"]], + ), + flag_group( + flags("-l:%{libraries_to_link.name}"), + expand_if_equal = [["libraries_to_link.type", "versioned_dynamic_library"]], + ), + flag_group( + flags("-Wl,-no-whole-archive"), + expand_if_true = ["libraries_to_link.is_whole_archive"], + ), + ] + if _is_darwin(platform): + return [ + flag_group( + flags("-Wl,--start-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + _library_to_link_with_worce_load( + "object_file_group", + "libraries_to_link.object_files", + iterate = True, + ), + flag_group( + flags("-Wl,--end-lib"), + expand_if_equal = [["libraries_to_link.type", "object_file_group"]], + ), + _library_to_link_with_worce_load("object_file", "libraries_to_link.name"), + _library_to_link_with_worce_load("interface_library", "libraries_to_link.name"), + _library_to_link_with_worce_load("static_library", "libraries_to_link.name"), + _library_to_link_with_worce_load("dynamic_library", "libraries_to_link.name", flag = "-l"), + _library_to_link_with_worce_load("versioned_dynamic_library", "libraries_to_link.name", flag = "-l:"), + ] + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform) def _strip_flags(platform): - if _is_linux(platform): - return [ "-S", "-p", "-o", "%{output_file}", - "-R", ".gnu.switches.text.quote_paths", - "-R", ".gnu.switches.text.bracket_paths", - "-R", ".gnu.switches.text.system_paths", - "-R", ".gnu.switches.text.cpp_defines", - "-R", ".gnu.switches.text.cpp_includes", - "-R", ".gnu.switches.text.cl_args", - "-R", ".gnu.switches.text.lipo_info", - "-R", ".gnu.switches.text.annotation", ] - elif _is_darwin(platform): - return ["-S", "-o", "%{output_file}"] - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) - + if _is_linux(platform): + return [ + "-S", + "-p", + "-o", + "%{output_file}", + "-R", + ".gnu.switches.text.quote_paths", + "-R", + ".gnu.switches.text.bracket_paths", + "-R", + ".gnu.switches.text.system_paths", + "-R", + ".gnu.switches.text.cpp_defines", + "-R", + ".gnu.switches.text.cpp_includes", + "-R", + ".gnu.switches.text.cl_args", + "-R", + ".gnu.switches.text.lipo_info", + "-R", + ".gnu.switches.text.annotation", + ] + elif _is_darwin(platform): + return ["-S", "-o", "%{output_file}"] + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform) def _linker_param_file_flag(platform): - if _is_linux(platform): - return "-Wl,@%{linker_param_file}" - elif _is_darwin(platform): - return "-Wl,@%{linker_param_file}" - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) - + if _is_linux(platform): + return "-Wl,@%{linker_param_file}" + elif _is_darwin(platform): + return "-Wl,@%{linker_param_file}" + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform) def _archiver_param_file_flag(platform): - if _is_linux(platform): - return "@%{linker_param_file}" - elif _is_darwin(platform): - return "@%{linker_param_file}" - elif _is_msvc(platform): - fail("todo") - else: - fail("Unsupported platform: " + platform) + if _is_linux(platform): + return "@%{linker_param_file}" + elif _is_darwin(platform): + return "@%{linker_param_file}" + elif _is_msvc(platform): + fail("todo") + else: + fail("Unsupported platform: " + platform)
diff --git a/tools/cpp/crosstool_utils.bzl b/tools/cpp/crosstool_utils.bzl index 238d0cf..8ddeb86 100644 --- a/tools/cpp/crosstool_utils.bzl +++ b/tools/cpp/crosstool_utils.bzl
@@ -43,233 +43,242 @@ # All remaining actions used by C++ rules that are configured in the CROSSTOOL OTHER_ACTIONS = [ - "strip" + "strip", ] - def action_config(action_name, tool_path): - """Emit action_config message. + """Emit action_config message. - Examples: - action_config("c-compile", "/usr/bin/gcc") -> - action_config { - config_name: 'c-compile' - action_name: 'c-compile' - tool { - tool_path: '/usr/bin/gcc' + Examples: + action_config("c-compile", "/usr/bin/gcc") -> + action_config { + config_name: 'c-compile' + action_name: 'c-compile' + tool { + tool_path: '/usr/bin/gcc' + } } - } - Args: - action_name: name of the action - tool_path: absolute or CROSSTOOL-relative path to the tool + Args: + action_name: name of the action + tool_path: absolute or CROSSTOOL-relative path to the tool - Returns: - a string to be placed into the CROSSTOOL - """ - if action_name == None or action_name == "": - fail("action_name must be present") - if tool_path == None or tool_path == "": - fail("tool_path must be present") - return """ + Returns: + a string to be placed into the CROSSTOOL + """ + if action_name == None or action_name == "": + fail("action_name must be present") + if tool_path == None or tool_path == "": + fail("tool_path must be present") + return """ action_config {{ config_name: '{action_name}' action_name: '{action_name}' tool {{ tool_path: '{tool_path}' }} - }}""".format(action_name=action_name, tool_path=tool_path) - + }}""".format(action_name = action_name, tool_path = tool_path) def feature(name, flag_sets, enabled = True, provides = None): - """Emit feature message. + """Emit feature message. - Examples: - feature("fully_static_link", flag_sets, enabled = False) -> - feature { - name: 'fully_static_link' - enabled = false - <flags_sets> - } + Examples: + feature("fully_static_link", flag_sets, enabled = False) -> + feature { + name: 'fully_static_link' + enabled = false + <flags_sets> + } - Args: - name: name of the feature - flag_sets: a collection of flag_set messages - enabled: whether this feature is turned on by default - provides: a symbol this feature provides, used to implement mutually incompatible features + Args: + name: name of the feature + flag_sets: a collection of flag_set messages + enabled: whether this feature is turned on by default + provides: a symbol this feature provides, used to implement mutually incompatible features - Returns: - a string to be placed into the CROSSTOOL - """ - if name == None or name == "": - fail("feature name must be present") - return """ + Returns: + a string to be placed into the CROSSTOOL + """ + if name == None or name == "": + fail("feature name must be present") + return """ feature {{ name: '{name}' enabled: {enabled}{provides}{flag_sets} }}""".format( - provides=("\n provides: '%s'" % provides if provides != None else ""), - name=name, - enabled=_to_proto_value(enabled), - flag_sets="".join(flag_sets)) + provides = ("\n provides: '%s'" % provides if provides != None else ""), + name = name, + enabled = _to_proto_value(enabled), + flag_sets = "".join(flag_sets), + ) +def simple_feature( + name, + actions, + flags, + enabled = True, + provides = None, + expand_if_all_available = [], + iterate_over = None): + """Sugar for emitting simple feature message. -def simple_feature(name, actions, flags, enabled = True, provides = None, - expand_if_all_available = [], iterate_over = None): - """Sugar for emitting simple feature message. - - Examples: - simple_feature("foo", ['c-compile'], flags("-foo")) -> - feature { - name: 'foo' - flag_set { - action: 'c-compile' - flag_group { - flag: '-foo' + Examples: + simple_feature("foo", ['c-compile'], flags("-foo")) -> + feature { + name: 'foo' + flag_set { + action: 'c-compile' + flag_group { + flag: '-foo' + } } } - } - Args: - name: name of the feature - actions: for which actions should flags be emitted - flags: a collection of flag messages - enabled: whether this feature is turned on by default - provides: a symbol this feature provides, used to implement mutually incompatible features - expand_if_all_available: specify which build variables need to be present - for this group to be expanded - iterate_over: expand this flag_group for every item in the build variable + Args: + name: name of the feature + actions: for which actions should flags be emitted + flags: a collection of flag messages + enabled: whether this feature is turned on by default + provides: a symbol this feature provides, used to implement mutually incompatible features + expand_if_all_available: specify which build variables need to be present + for this group to be expanded + iterate_over: expand this flag_group for every item in the build variable - Returns: - a string to be placed into the CROSSTOOL - """ - if len(flags) == 0: - return feature(name, []) - else: - return feature( - name, - [flag_set( - actions, - [flag_group( - [flag(f) for f in flags], - iterate_over=iterate_over, - expand_if_all_available=expand_if_all_available)])], - enabled = enabled, - provides = provides) - + Returns: + a string to be placed into the CROSSTOOL + """ + if len(flags) == 0: + return feature(name, []) + else: + return feature( + name, + [flag_set( + actions, + [flag_group( + [flag(f) for f in flags], + iterate_over = iterate_over, + expand_if_all_available = expand_if_all_available, + )], + )], + enabled = enabled, + provides = provides, + ) def flag_set(actions, flag_groups): - """Emit flag_set message. + """Emit flag_set message. - Examples: - flag_set(['c-compile'], flag_groups) -> - flag_set { - action: 'c-compile' - <flag_groups> - } + Examples: + flag_set(['c-compile'], flag_groups) -> + flag_set { + action: 'c-compile' + <flag_groups> + } - Args: - actions: for which actions should flags be emitted - flag_groups: a collection of flag_group messages + Args: + actions: for which actions should flags be emitted + flag_groups: a collection of flag_group messages - Returns: - a string to be placed into the CROSSTOOL - """ - if actions == None or len(actions) == 0: - fail("empty actions list is not allowed for flag_set") - if flag_groups == None or len(flag_groups) == 0: - fail("empty flag_groups list is not allowed for flag_set") - actions_string = "" - for action in actions: actions_string += "\n action: '%s'" % action + Returns: + a string to be placed into the CROSSTOOL + """ + if actions == None or len(actions) == 0: + fail("empty actions list is not allowed for flag_set") + if flag_groups == None or len(flag_groups) == 0: + fail("empty flag_groups list is not allowed for flag_set") + actions_string = "" + for action in actions: + actions_string += "\n action: '%s'" % action - return """ + return """ flag_set {{{actions}{flag_groups} - }}""".format(actions=actions_string, flag_groups="".join(flag_groups)) - + }}""".format(actions = actions_string, flag_groups = "".join(flag_groups)) def flag_group( - content, expand_if_all_available = [], expand_if_none_available = [], expand_if_true = [], - expand_if_false = [], expand_if_equal = [], iterate_over = None): - """Emit flag_group message. + content, + expand_if_all_available = [], + expand_if_none_available = [], + expand_if_true = [], + expand_if_false = [], + expand_if_equal = [], + iterate_over = None): + """Emit flag_group message. - Examples: - flag_group(flags("-foo %{output_file}"), expand_if_all_available="output_file") -> - flag_group { expand_if_all_available: "output_file" - flag: "-foo %{output_file}" - } + Examples: + flag_group(flags("-foo %{output_file}"), expand_if_all_available="output_file") -> + flag_group { expand_if_all_available: "output_file" + flag: "-foo %{output_file}" + } - Args: - content: a collection of flag messages or a collection of flag_group messages - expand_if_all_available: specify which build variables need to be present - for this group to be expanded - expand_if_none_available: specify which build variables need to be missing - for this group to be expanded - expand_if_true: specify which build variables need to be truthy for this group - to be expanded - expand_if_false: specify which build variables need to be falsey for this group - to be expanded - expand_if_equal: [[var1, value1], [var2, value2]...] specify what values - should specific build variables have for this group to be expanded - iterate_over: expand this flag_group for every item in the build variable + Args: + content: a collection of flag messages or a collection of flag_group messages + expand_if_all_available: specify which build variables need to be present + for this group to be expanded + expand_if_none_available: specify which build variables need to be missing + for this group to be expanded + expand_if_true: specify which build variables need to be truthy for this group + to be expanded + expand_if_false: specify which build variables need to be falsey for this group + to be expanded + expand_if_equal: [[var1, value1], [var2, value2]...] specify what values + should specific build variables have for this group to be expanded + iterate_over: expand this flag_group for every item in the build variable - Returns: - a string to be placed into the CROSSTOOL - """ - if content == None or len(content)== 0: - fail("flag_group without flags is not allowed") - conditions = "" - for var in expand_if_all_available: - conditions += "\n expand_if_all_available: '%s'" % var - for var in expand_if_none_available: - conditions += "\n expand_if_none_available: '%s'" % var - for var in expand_if_true: - conditions += "\n expand_if_true: '%s'" % var - for var in expand_if_false: - conditions += "\n expand_if_false: '%s'" % var - for var in expand_if_equal: - conditions += "\n expand_if_equal { variable: '%s' value: '%s' }" % (var[0], var[1]) - return """ + Returns: + a string to be placed into the CROSSTOOL + """ + if content == None or len(content) == 0: + fail("flag_group without flags is not allowed") + conditions = "" + for var in expand_if_all_available: + conditions += "\n expand_if_all_available: '%s'" % var + for var in expand_if_none_available: + conditions += "\n expand_if_none_available: '%s'" % var + for var in expand_if_true: + conditions += "\n expand_if_true: '%s'" % var + for var in expand_if_false: + conditions += "\n expand_if_false: '%s'" % var + for var in expand_if_equal: + conditions += "\n expand_if_equal { variable: '%s' value: '%s' }" % (var[0], var[1]) + return """ flag_group {{{conditions}{iterate_over}{content} }}""".format( - content="".join(content), - iterate_over=("\n iterate_over: '%s'" % iterate_over if iterate_over != None else ""), - conditions=conditions) - + content = "".join(content), + iterate_over = ("\n iterate_over: '%s'" % iterate_over if iterate_over != None else ""), + conditions = conditions, + ) def flag(flag): - """Emit flag field. + """Emit flag field. - Examples: - flag("-foo") -> flag: '-foo' + Examples: + flag("-foo") -> flag: '-foo' - Args: - flag: value to be emitted to the command line + Args: + flag: value to be emitted to the command line - Returns: - a string to be placed into the CROSSTOOL - """ - return "\n flag: '%s'" % flag - + Returns: + a string to be placed into the CROSSTOOL + """ + return "\n flag: '%s'" % flag def flags(*flags): - """Sugar for emitting sequence of flag fields. + """Sugar for emitting sequence of flag fields. - Examples: - flags("-foo", "-bar") -> - flag: '-foo' - flag: '-bar' + Examples: + flags("-foo", "-bar") -> + flag: '-foo' + flag: '-bar' - Args: - *flags: values to be emitted to the command line + Args: + *flags: values to be emitted to the command line - Returns: - a string to be placed into the CROSSTOOL - """ - return [flag(f) for f in flags] - + Returns: + a string to be placed into the CROSSTOOL + """ + return [flag(f) for f in flags] def _to_proto_value(boolean): - if boolean: - return "true" - else: - return "false" + if boolean: + return "true" + else: + return "false"
diff --git a/tools/cpp/dummy_toolchain.bzl b/tools/cpp/dummy_toolchain.bzl index c787f73..45c0285 100644 --- a/tools/cpp/dummy_toolchain.bzl +++ b/tools/cpp/dummy_toolchain.bzl
@@ -14,10 +14,10 @@ # limitations under the License. """Skylark rule that stubs a toolchain.""" + def _dummy_toolchain_impl(ctx): - ctx = ctx # unused argument - toolchain = platform_common.ToolchainInfo() - return [toolchain] + ctx = ctx # unused argument + toolchain = platform_common.ToolchainInfo() + return [toolchain] dummy_toolchain = rule(_dummy_toolchain_impl, attrs = {}) -
diff --git a/tools/cpp/lib_cc_configure.bzl b/tools/cpp/lib_cc_configure.bzl index 8999806..d7a46a3 100644 --- a/tools/cpp/lib_cc_configure.bzl +++ b/tools/cpp/lib_cc_configure.bzl
@@ -14,181 +14,185 @@ # limitations under the License. """Base library for configuring the C++ toolchain.""" - def resolve_labels(repository_ctx, labels): - """Resolves a collection of labels to their paths. + """Resolves a collection of labels to their paths. - Label resolution can cause the evaluation of Skylark functions to restart. - For functions with side-effects (like the auto-configuration functions, which - inspect the system and touch the file system), such restarts are costly. - We cannot avoid the restarts, but we can minimize their penalty by resolving - all labels upfront. + Label resolution can cause the evaluation of Skylark functions to restart. + For functions with side-effects (like the auto-configuration functions, which + inspect the system and touch the file system), such restarts are costly. + We cannot avoid the restarts, but we can minimize their penalty by resolving + all labels upfront. - Among other things, doing less work on restarts can cut analysis times by - several seconds and may also prevent tickling kernel conditions that cause - build failures. See https://github.com/bazelbuild/bazel/issues/5196 for - more details. + Among other things, doing less work on restarts can cut analysis times by + several seconds and may also prevent tickling kernel conditions that cause + build failures. See https://github.com/bazelbuild/bazel/issues/5196 for + more details. - Args: - repository_ctx: The context with which to resolve the labels. - labels: Labels to be resolved expressed as a list of strings. + Args: + repository_ctx: The context with which to resolve the labels. + labels: Labels to be resolved expressed as a list of strings. - Returns: - A dictionary with the labels as keys and their paths as values. - """ - return dict([(label, repository_ctx.path(Label(label))) for label in labels]) - + Returns: + A dictionary with the labels as keys and their paths as values. + """ + return dict([(label, repository_ctx.path(Label(label))) for label in labels]) def escape_string(arg): - """Escape percent sign (%) in the string so it can appear in the Crosstool.""" - if arg != None: - return str(arg).replace("%", "%%") - else: - return None - + """Escape percent sign (%) in the string so it can appear in the Crosstool.""" + if arg != None: + return str(arg).replace("%", "%%") + else: + return None def split_escaped(string, delimiter): - """Split string on the delimiter unless %-escaped. + """Split string on the delimiter unless %-escaped. - Examples: - Basic usage: - split_escaped("a:b:c", ":") -> [ "a", "b", "c" ] + Examples: + Basic usage: + split_escaped("a:b:c", ":") -> [ "a", "b", "c" ] - Delimeter that is not supposed to be splitten on has to be %-escaped: - split_escaped("a%:b", ":") -> [ "a:b" ] + Delimeter that is not supposed to be splitten on has to be %-escaped: + split_escaped("a%:b", ":") -> [ "a:b" ] - Literal % can be represented by escaping it as %%: - split_escaped("a%%b", ":") -> [ "a%b" ] + Literal % can be represented by escaping it as %%: + split_escaped("a%%b", ":") -> [ "a%b" ] - Consecutive delimiters produce empty strings: - split_escaped("a::b", ":") -> [ "a", "", "", "b" ] + Consecutive delimiters produce empty strings: + split_escaped("a::b", ":") -> [ "a", "", "", "b" ] - Args: - string: The string to be split. - delimiter: Non-empty string not containing %-sign to be used as a - delimiter. + Args: + string: The string to be split. + delimiter: Non-empty string not containing %-sign to be used as a + delimiter. - Returns: - A list of substrings. - """ - if delimiter == "": fail("Delimiter cannot be empty") - if delimiter.find("%") != -1: fail("Delimiter cannot contain %-sign") + Returns: + A list of substrings. + """ + if delimiter == "": + fail("Delimiter cannot be empty") + if delimiter.find("%") != -1: + fail("Delimiter cannot contain %-sign") - i = 0 - result = [] - accumulator = [] - length = len(string) - delimiter_length = len(delimiter) - # Iterate over the length of string since Skylark doesn't have while loops - for _ in range(length): - if i >= length: - break - if i + 2 <= length and string[i : i + 2] == "%%": - accumulator.append("%") - i += 2 - elif (i + 1 + delimiter_length <= length and - string[i : i + 1 + delimiter_length] == "%" + delimiter): - accumulator.append(delimiter) - i += 1 + delimiter_length - elif i + delimiter_length <= length and string[i : i + delimiter_length] == delimiter: - result.append(''.join(accumulator)) - accumulator = [] - i += delimiter_length - else: - accumulator.append(string[i]) - i += 1 + i = 0 + result = [] + accumulator = [] + length = len(string) + delimiter_length = len(delimiter) - # Append the last group still in accumulator - result.append(''.join(accumulator)) - return result + # Iterate over the length of string since Skylark doesn't have while loops + for _ in range(length): + if i >= length: + break + if i + 2 <= length and string[i:i + 2] == "%%": + accumulator.append("%") + i += 2 + elif (i + 1 + delimiter_length <= length and + string[i:i + 1 + delimiter_length] == "%" + delimiter): + accumulator.append(delimiter) + i += 1 + delimiter_length + elif i + delimiter_length <= length and string[i:i + delimiter_length] == delimiter: + result.append("".join(accumulator)) + accumulator = [] + i += delimiter_length + else: + accumulator.append(string[i]) + i += 1 + # Append the last group still in accumulator + result.append("".join(accumulator)) + return result def auto_configure_fail(msg): - """Output failure message when auto configuration fails.""" - red = "\033[0;31m" - no_color = "\033[0m" - fail("\n%sAuto-Configuration Error:%s %s\n" % (red, no_color, msg)) - + """Output failure message when auto configuration fails.""" + red = "\033[0;31m" + no_color = "\033[0m" + fail("\n%sAuto-Configuration Error:%s %s\n" % (red, no_color, msg)) def auto_configure_warning(msg): - """Output warning message during auto configuration.""" - yellow = "\033[1;33m" - no_color = "\033[0m" - print("\n%sAuto-Configuration Warning:%s %s\n" % (yellow, no_color, msg)) - + """Output warning message during auto configuration.""" + yellow = "\033[1;33m" + no_color = "\033[0m" + print("\n%sAuto-Configuration Warning:%s %s\n" % (yellow, no_color, msg)) def get_env_var(repository_ctx, name, default = None, enable_warning = True): - """Find an environment variable in system path. Doesn't %-escape the value!""" - if name in repository_ctx.os.environ: - return repository_ctx.os.environ[name] - if default != None: - if enable_warning: - auto_configure_warning("'%s' environment variable is not set, using '%s' as default" % (name, default)) - return default - auto_configure_fail("'%s' environment variable is not set" % name) - + """Find an environment variable in system path. Doesn't %-escape the value!""" + if name in repository_ctx.os.environ: + return repository_ctx.os.environ[name] + if default != None: + if enable_warning: + auto_configure_warning("'%s' environment variable is not set, using '%s' as default" % (name, default)) + return default + auto_configure_fail("'%s' environment variable is not set" % name) def which(repository_ctx, cmd, default = None): - """A wrapper around repository_ctx.which() to provide a fallback value. Doesn't %-escape the value!""" - result = repository_ctx.which(cmd) - return default if result == None else str(result) - + """A wrapper around repository_ctx.which() to provide a fallback value. Doesn't %-escape the value!""" + result = repository_ctx.which(cmd) + return default if result == None else str(result) def which_cmd(repository_ctx, cmd, default = None): - """Find cmd in PATH using repository_ctx.which() and fail if cannot find it. Doesn't %-escape the cmd!""" - result = repository_ctx.which(cmd) - if result != None: + """Find cmd in PATH using repository_ctx.which() and fail if cannot find it. Doesn't %-escape the cmd!""" + result = repository_ctx.which(cmd) + if result != None: + return str(result) + path = get_env_var(repository_ctx, "PATH") + if default != None: + auto_configure_warning("Cannot find %s in PATH, using '%s' as default.\nPATH=%s" % (cmd, default, path)) + return default + auto_configure_fail("Cannot find %s in PATH, please make sure %s is installed and add its directory in PATH.\nPATH=%s" % (cmd, cmd, path)) return str(result) - path = get_env_var(repository_ctx, "PATH") - if default != None: - auto_configure_warning("Cannot find %s in PATH, using '%s' as default.\nPATH=%s" % (cmd, default, path)) - return default - auto_configure_fail("Cannot find %s in PATH, please make sure %s is installed and add its directory in PATH.\nPATH=%s" % (cmd, cmd, path)) - return str(result) - -def execute(repository_ctx, command, environment = None, - expect_failure = False): - """Execute a command, return stdout if succeed and throw an error if it fails. Doesn't %-escape the result!""" - if environment: - result = repository_ctx.execute(command, environment = environment) - else: - result = repository_ctx.execute(command) - if expect_failure != (result.return_code != 0): - if expect_failure: - auto_configure_fail( - "expected failure, command %s, stderr: (%s)" % ( - command, result.stderr)) +def execute( + repository_ctx, + command, + environment = None, + expect_failure = False): + """Execute a command, return stdout if succeed and throw an error if it fails. Doesn't %-escape the result!""" + if environment: + result = repository_ctx.execute(command, environment = environment) else: - auto_configure_fail( - "non-zero exit code: %d, command %s, stderr: (%s)" % ( - result.return_code, command, result.stderr)) - stripped_stdout = result.stdout.strip() - if not stripped_stdout: - auto_configure_fail( - "empty output from command %s, stderr: (%s)" % (command, result.stderr)) - return stripped_stdout - + result = repository_ctx.execute(command) + if expect_failure != (result.return_code != 0): + if expect_failure: + auto_configure_fail( + "expected failure, command %s, stderr: (%s)" % ( + command, + result.stderr, + ), + ) + else: + auto_configure_fail( + "non-zero exit code: %d, command %s, stderr: (%s)" % ( + result.return_code, + command, + result.stderr, + ), + ) + stripped_stdout = result.stdout.strip() + if not stripped_stdout: + auto_configure_fail( + "empty output from command %s, stderr: (%s)" % (command, result.stderr), + ) + return stripped_stdout def get_cpu_value(repository_ctx): - """Compute the cpu_value based on the OS name. Doesn't %-escape the result!""" - os_name = repository_ctx.os.name.lower() - if os_name.startswith("mac os"): - return "darwin" - if os_name.find("freebsd") != -1: - return "freebsd" - if os_name.find("windows") != -1: - return "x64_windows" - # Use uname to figure out whether we are on x86_32 or x86_64 - result = repository_ctx.execute(["uname", "-m"]) - if result.stdout.strip() in ["power", "ppc64le", "ppc", "ppc64"]: - return "ppc" - if result.stdout.strip() in ["arm", "armv7l", "aarch64"]: - return "arm" - return "k8" if result.stdout.strip() in ["amd64", "x86_64", "x64"] else "piii" + """Compute the cpu_value based on the OS name. Doesn't %-escape the result!""" + os_name = repository_ctx.os.name.lower() + if os_name.startswith("mac os"): + return "darwin" + if os_name.find("freebsd") != -1: + return "freebsd" + if os_name.find("windows") != -1: + return "x64_windows" + # Use uname to figure out whether we are on x86_32 or x86_64 + result = repository_ctx.execute(["uname", "-m"]) + if result.stdout.strip() in ["power", "ppc64le", "ppc", "ppc64"]: + return "ppc" + if result.stdout.strip() in ["arm", "armv7l", "aarch64"]: + return "arm" + return "k8" if result.stdout.strip() in ["amd64", "x86_64", "x64"] else "piii" def is_cc_configure_debug(repository_ctx): - """Returns True if CC_CONFIGURE_DEBUG is set to 1.""" - env = repository_ctx.os.environ - return "CC_CONFIGURE_DEBUG" in env and env["CC_CONFIGURE_DEBUG"] == "1" + """Returns True if CC_CONFIGURE_DEBUG is set to 1.""" + env = repository_ctx.os.environ + return "CC_CONFIGURE_DEBUG" in env and env["CC_CONFIGURE_DEBUG"] == "1"
diff --git a/tools/cpp/osx_cc_configure.bzl b/tools/cpp/osx_cc_configure.bzl index 6787141..aef9e34 100644 --- a/tools/cpp/osx_cc_configure.bzl +++ b/tools/cpp/osx_cc_configure.bzl
@@ -15,125 +15,146 @@ """Configuring the C++ toolchain on macOS.""" load("@bazel_tools//tools/osx:xcode_configure.bzl", "run_xcode_locator") - load( "@bazel_tools//tools/cpp:lib_cc_configure.bzl", "escape_string", "resolve_labels", ) - load( "@bazel_tools//tools/cpp:unix_cc_configure.bzl", - "get_escaped_cxx_inc_directories", - "get_env", + "configure_unix_toolchain", "find_cc", - "configure_unix_toolchain" + "get_env", + "get_escaped_cxx_inc_directories", ) - def _get_escaped_xcode_cxx_inc_directories(repository_ctx, cc, xcode_toolchains): - """Compute the list of default C++ include paths on Xcode-enabled darwin. + """Compute the list of default C++ include paths on Xcode-enabled darwin. - Args: - repository_ctx: The repository context. - cc: The default C++ compiler on the local system. - xcode_toolchains: A list containing the xcode toolchains available - Returns: - include_paths: A list of builtin include paths. - """ + Args: + repository_ctx: The repository context. + cc: The default C++ compiler on the local system. + xcode_toolchains: A list containing the xcode toolchains available + Returns: + include_paths: A list of builtin include paths. + """ - # TODO(cparsons): Falling back to the default C++ compiler builtin include - # paths shouldn't be unnecessary once all actions are using xcrun. - include_dirs = get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc++") - for toolchain in xcode_toolchains: - include_dirs.append(escape_string(toolchain.developer_dir)) - return include_dirs - + # TODO(cparsons): Falling back to the default C++ compiler builtin include + # paths shouldn't be unnecessary once all actions are using xcrun. + include_dirs = get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc++") + for toolchain in xcode_toolchains: + include_dirs.append(escape_string(toolchain.developer_dir)) + return include_dirs def configure_osx_toolchain(repository_ctx, overriden_tools): - """Configure C++ toolchain on macOS.""" - paths = resolve_labels(repository_ctx, [ - "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl", - "@bazel_tools//tools/objc:libtool.sh", - "@bazel_tools//tools/objc:make_hashed_objlist.py", - "@bazel_tools//tools/objc:xcrunwrapper.sh", - "@bazel_tools//tools/osx/crosstool:BUILD.tpl", - "@bazel_tools//tools/osx/crosstool:CROSSTOOL.tpl", - "@bazel_tools//tools/osx/crosstool:osx_archs.bzl", - "@bazel_tools//tools/osx/crosstool:wrapped_ar.tpl", - "@bazel_tools//tools/osx/crosstool:wrapped_clang.cc", - "@bazel_tools//tools/osx/crosstool:wrapped_clang.tpl", - "@bazel_tools//tools/osx/crosstool:wrapped_clang_pp.tpl", - "@bazel_tools//tools/osx:xcode_locator.m", - ]) + """Configure C++ toolchain on macOS.""" + paths = resolve_labels(repository_ctx, [ + "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl", + "@bazel_tools//tools/objc:libtool.sh", + "@bazel_tools//tools/objc:make_hashed_objlist.py", + "@bazel_tools//tools/objc:xcrunwrapper.sh", + "@bazel_tools//tools/osx/crosstool:BUILD.tpl", + "@bazel_tools//tools/osx/crosstool:CROSSTOOL.tpl", + "@bazel_tools//tools/osx/crosstool:osx_archs.bzl", + "@bazel_tools//tools/osx/crosstool:wrapped_ar.tpl", + "@bazel_tools//tools/osx/crosstool:wrapped_clang.cc", + "@bazel_tools//tools/osx/crosstool:wrapped_clang.tpl", + "@bazel_tools//tools/osx/crosstool:wrapped_clang_pp.tpl", + "@bazel_tools//tools/osx:xcode_locator.m", + ]) - xcode_toolchains = [] - (xcode_toolchains, xcodeloc_err) = run_xcode_locator( - repository_ctx, - paths["@bazel_tools//tools/osx:xcode_locator.m"]) - if xcode_toolchains: - cc = find_cc(repository_ctx, overriden_tools = {}) - repository_ctx.template( - "cc_wrapper.sh", - paths["@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl"], - { - "%{cc}": escape_string(str(cc)), - "%{env}": escape_string(get_env(repository_ctx)), - }) - repository_ctx.symlink( - paths["@bazel_tools//tools/objc:xcrunwrapper.sh"], "xcrunwrapper.sh") - repository_ctx.symlink( - paths["@bazel_tools//tools/objc:libtool.sh"], "libtool") - repository_ctx.symlink( - paths["@bazel_tools//tools/objc:make_hashed_objlist.py"], - "make_hashed_objlist.py") - repository_ctx.symlink( - paths["@bazel_tools//tools/osx/crosstool:wrapped_ar.tpl"], - "wrapped_ar") - repository_ctx.symlink( - paths["@bazel_tools//tools/osx/crosstool:BUILD.tpl"], - "BUILD") - repository_ctx.symlink( - paths["@bazel_tools//tools/osx/crosstool:osx_archs.bzl"], - "osx_archs.bzl") + xcode_toolchains = [] + (xcode_toolchains, xcodeloc_err) = run_xcode_locator( + repository_ctx, + paths["@bazel_tools//tools/osx:xcode_locator.m"], + ) + if xcode_toolchains: + cc = find_cc(repository_ctx, overriden_tools = {}) + repository_ctx.template( + "cc_wrapper.sh", + paths["@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl"], + { + "%{cc}": escape_string(str(cc)), + "%{env}": escape_string(get_env(repository_ctx)), + }, + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/objc:xcrunwrapper.sh"], + "xcrunwrapper.sh", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/objc:libtool.sh"], + "libtool", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/objc:make_hashed_objlist.py"], + "make_hashed_objlist.py", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/osx/crosstool:wrapped_ar.tpl"], + "wrapped_ar", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/osx/crosstool:BUILD.tpl"], + "BUILD", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/osx/crosstool:osx_archs.bzl"], + "osx_archs.bzl", + ) - wrapped_clang_src_path = str(repository_ctx.path( - paths["@bazel_tools//tools/osx/crosstool:wrapped_clang.cc"])) - xcrun_result = repository_ctx.execute(["env", "-i", "xcrun", "clang", "-std=c++11", "-lc++", - "-o", "wrapped_clang", wrapped_clang_src_path], 30) - if (xcrun_result.return_code == 0): - repository_ctx.symlink("wrapped_clang", "wrapped_clang_pp") + wrapped_clang_src_path = str(repository_ctx.path( + paths["@bazel_tools//tools/osx/crosstool:wrapped_clang.cc"], + )) + xcrun_result = repository_ctx.execute([ + "env", + "-i", + "xcrun", + "clang", + "-std=c++11", + "-lc++", + "-o", + "wrapped_clang", + wrapped_clang_src_path, + ], 30) + if (xcrun_result.return_code == 0): + repository_ctx.symlink("wrapped_clang", "wrapped_clang_pp") + else: + # If for some reason wrapped_clang couldn't be built, fall back to + # using the bash scripts that don't support dSYM generation. This is to + # avoid completely breaking a build. This should be removed after a whole + # release cycle to keep from increasing code maintenance, if we haven't + # received any issues as requested below. + error_msg = ( + "return code {code}, stderr: {err}, stdout: {out}" + ).format( + code = xcrun_result.return_code, + err = xcrun_result.stderr, + out = xcrun_result.stdout, + ) + print("wrapped_clang failed to generate. This shouldn't cause " + + "problems, but please file an issue at " + + "https://github.com/bazelbuild/bazel/issues with the following:\n" + + error_msg) + repository_ctx.symlink( + paths["@bazel_tools//tools/osx/crosstool:wrapped_clang.tpl"], + "wrapped_clang", + ) + repository_ctx.symlink( + paths["@bazel_tools//tools/osx/crosstool:wrapped_clang_pp.tpl"], + "wrapped_clang_pp", + ) + + escaped_include_paths = _get_escaped_xcode_cxx_inc_directories(repository_ctx, cc, xcode_toolchains) + escaped_cxx_include_directories = [] + for path in escaped_include_paths: + escaped_cxx_include_directories.append(("cxx_builtin_include_directory: \"%s\"" % path)) + if xcodeloc_err: + escaped_cxx_include_directories.append("# Error: " + xcodeloc_err + "\n") + repository_ctx.template( + "CROSSTOOL", + paths["@bazel_tools//tools/osx/crosstool:CROSSTOOL.tpl"], + {"%{cxx_builtin_include_directory}": "\n".join(escaped_cxx_include_directories)}, + ) else: - # If for some reason wrapped_clang couldn't be built, fall back to - # using the bash scripts that don't support dSYM generation. This is to - # avoid completely breaking a build. This should be removed after a whole - # release cycle to keep from increasing code maintenance, if we haven't - # received any issues as requested below. - error_msg = ( - "return code {code}, stderr: {err}, stdout: {out}").format( - code=xcrun_result.return_code, - err=xcrun_result.stderr, - out=xcrun_result.stdout) - print("wrapped_clang failed to generate. This shouldn't cause " + - "problems, but please file an issue at " + - "https://github.com/bazelbuild/bazel/issues with the following:\n" + - error_msg) - repository_ctx.symlink( - paths["@bazel_tools//tools/osx/crosstool:wrapped_clang.tpl"], - "wrapped_clang") - repository_ctx.symlink( - paths["@bazel_tools//tools/osx/crosstool:wrapped_clang_pp.tpl"], - "wrapped_clang_pp") - - escaped_include_paths = _get_escaped_xcode_cxx_inc_directories(repository_ctx, cc, xcode_toolchains) - escaped_cxx_include_directories = [] - for path in escaped_include_paths: - escaped_cxx_include_directories.append(("cxx_builtin_include_directory: \"%s\"" % path)) - if xcodeloc_err: - escaped_cxx_include_directories.append("# Error: " + xcodeloc_err + "\n") - repository_ctx.template( - "CROSSTOOL", - paths["@bazel_tools//tools/osx/crosstool:CROSSTOOL.tpl"], - {"%{cxx_builtin_include_directory}": "\n".join(escaped_cxx_include_directories)}) - else: - configure_unix_toolchain(repository_ctx, cpu_value = "darwin", overriden_tools = overriden_tools) + configure_unix_toolchain(repository_ctx, cpu_value = "darwin", overriden_tools = overriden_tools)
diff --git a/tools/cpp/toolchain_utils.bzl b/tools/cpp/toolchain_utils.bzl index 5ab9ade..e879299 100644 --- a/tools/cpp/toolchain_utils.bzl +++ b/tools/cpp/toolchain_utils.bzl
@@ -21,20 +21,20 @@ """ def find_cpp_toolchain(ctx): - """ - Finds the c++ toolchain. + """ + Finds the c++ toolchain. - If the c++ toolchain is in use, returns it. Otherwise, returns a c++ - toolchain derived from legacy toolchain selection. + If the c++ toolchain is in use, returns it. Otherwise, returns a c++ + toolchain derived from legacy toolchain selection. - Args: - ctx: The rule context for which to find a toolchain. + Args: + ctx: The rule context for which to find a toolchain. - Returns: - A CcToolchainProvider. - """ + Returns: + A CcToolchainProvider. + """ - if Label("@bazel_tools//tools/cpp:toolchain_type") in ctx.fragments.platform.enabled_toolchain_types: - return ctx.toolchains["@bazel_tools//tools/cpp:toolchain_type"] - else: - return ctx.attr._cc_toolchain[cc_common.CcToolchainInfo] + if Label("@bazel_tools//tools/cpp:toolchain_type") in ctx.fragments.platform.enabled_toolchain_types: + return ctx.toolchains["@bazel_tools//tools/cpp:toolchain_type"] + else: + return ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]
diff --git a/tools/cpp/unix_cc_configure.bzl b/tools/cpp/unix_cc_configure.bzl index d4b25c8..82cb60d 100644 --- a/tools/cpp/unix_cc_configure.bzl +++ b/tools/cpp/unix_cc_configure.bzl
@@ -14,11 +14,10 @@ # limitations under the License. """Configuring the C++ toolchain on Unix platforms.""" - load( "@bazel_tools//tools/cpp:lib_cc_configure.bzl", - "auto_configure_warning", "auto_configure_fail", + "auto_configure_warning", "escape_string", "get_env_var", "resolve_labels", @@ -27,349 +26,371 @@ ) def _uniq(iterable): - """Remove duplicates from a list.""" + """Remove duplicates from a list.""" - unique_elements = {element: None for element in iterable} - return unique_elements.keys() + unique_elements = {element: None for element in iterable} + return unique_elements.keys() def _prepare_include_path(repo_ctx, path): - """Resolve and sanitize include path before outputting it into the crosstool. + """Resolve and sanitize include path before outputting it into the crosstool. - Args: - repo_ctx: repository_ctx object. - path: an include path to be sanitized. + Args: + repo_ctx: repository_ctx object. + path: an include path to be sanitized. - Returns: - Sanitized include path that can be written to the crosstoot. Resulting path - is absolute if it is outside the repository and relative otherwise. - """ + Returns: + Sanitized include path that can be written to the crosstoot. Resulting path + is absolute if it is outside the repository and relative otherwise. + """ - repo_root = str(repo_ctx.path(".")) - # We're on UNIX, so the path delimiter is '/'. - repo_root += "/" - path = str(repo_ctx.path(path)) - if path.startswith(repo_root): - return escape_string(path[len(repo_root):]) - return escape_string(path) + repo_root = str(repo_ctx.path(".")) + + # We're on UNIX, so the path delimiter is '/'. + repo_root += "/" + path = str(repo_ctx.path(path)) + if path.startswith(repo_root): + return escape_string(path[len(repo_root):]) + return escape_string(path) def _get_value(it): - """Convert `it` in serialized protobuf format.""" - if type(it) == "int": - return str(it) - elif type(it) == "bool": - return "true" if it else "false" - else: - return "\"%s\"" % it - - -def _build_crosstool(d, prefix=" "): - """Convert `d` to a string version of a CROSSTOOL file content.""" - lines = [] - for k in d: - if type(d[k]) == "list": - for it in d[k]: - lines.append("%s%s: %s" % (prefix, k, _get_value(it))) + """Convert `it` in serialized protobuf format.""" + if type(it) == "int": + return str(it) + elif type(it) == "bool": + return "true" if it else "false" else: - lines.append("%s%s: %s" % (prefix, k, _get_value(d[k]))) - return "\n".join(lines) + return "\"%s\"" % it +def _build_crosstool(d, prefix = " "): + """Convert `d` to a string version of a CROSSTOOL file content.""" + lines = [] + for k in d: + if type(d[k]) == "list": + for it in d[k]: + lines.append("%s%s: %s" % (prefix, k, _get_value(it))) + else: + lines.append("%s%s: %s" % (prefix, k, _get_value(d[k]))) + return "\n".join(lines) def _build_tool_path(d): - """Build the list of %-escaped tool_path for the CROSSTOOL file.""" - lines = [] - for k in d: - lines.append(" tool_path {name: \"%s\" path: \"%s\" }" % (k, escape_string(d[k]))) - return "\n".join(lines) + """Build the list of %-escaped tool_path for the CROSSTOOL file.""" + lines = [] + for k in d: + lines.append(" tool_path {name: \"%s\" path: \"%s\" }" % (k, escape_string(d[k]))) + return "\n".join(lines) def _find_tool(repository_ctx, tool, overriden_tools): - """Find a tool for repository, taking overriden tools into account.""" - if tool in overriden_tools: - return overriden_tools[tool] - return which(repository_ctx, tool, "/usr/bin/" + tool) + """Find a tool for repository, taking overriden tools into account.""" + if tool in overriden_tools: + return overriden_tools[tool] + return which(repository_ctx, tool, "/usr/bin/" + tool) def _get_tool_paths(repository_ctx, overriden_tools): - """Compute the path to the various tools. Doesn't %-escape the result!""" - return dict({k: _find_tool(repository_ctx, k, overriden_tools) - for k in [ - "ar", - "ld", - "cpp", - "gcc", - "dwp", - "gcov", - "nm", - "objcopy", - "objdump", - "strip", - ]}.items()) + """Compute the path to the various tools. Doesn't %-escape the result!""" + return dict({ + k: _find_tool(repository_ctx, k, overriden_tools) + for k in [ + "ar", + "ld", + "cpp", + "gcc", + "dwp", + "gcov", + "nm", + "objcopy", + "objdump", + "strip", + ] + }.items()) def _escaped_cplus_include_paths(repository_ctx): - """Use ${CPLUS_INCLUDE_PATH} to compute the %-escaped list of flags for cxxflag.""" - if "CPLUS_INCLUDE_PATH" in repository_ctx.os.environ: - result = [] - for p in repository_ctx.os.environ["CPLUS_INCLUDE_PATH"].split(":"): - p = escape_string(str(repository_ctx.path(p))) # Normalize the path - result.append("-I" + p) - return result - else: - return [] - + """Use ${CPLUS_INCLUDE_PATH} to compute the %-escaped list of flags for cxxflag.""" + if "CPLUS_INCLUDE_PATH" in repository_ctx.os.environ: + result = [] + for p in repository_ctx.os.environ["CPLUS_INCLUDE_PATH"].split(":"): + p = escape_string(str(repository_ctx.path(p))) # Normalize the path + result.append("-I" + p) + return result + else: + return [] _INC_DIR_MARKER_BEGIN = "#include <...>" # OSX add " (framework directory)" at the end of line, strip it. _OSX_FRAMEWORK_SUFFIX = " (framework directory)" -_OSX_FRAMEWORK_SUFFIX_LEN = len(_OSX_FRAMEWORK_SUFFIX) +_OSX_FRAMEWORK_SUFFIX_LEN = len(_OSX_FRAMEWORK_SUFFIX) def _cxx_inc_convert(path): - """Convert path returned by cc -E xc++ in a complete path. Doesn't %-escape the path!""" - path = path.strip() - if path.endswith(_OSX_FRAMEWORK_SUFFIX): - path = path[:-_OSX_FRAMEWORK_SUFFIX_LEN].strip() - return path - + """Convert path returned by cc -E xc++ in a complete path. Doesn't %-escape the path!""" + path = path.strip() + if path.endswith(_OSX_FRAMEWORK_SUFFIX): + path = path[:-_OSX_FRAMEWORK_SUFFIX_LEN].strip() + return path def get_escaped_cxx_inc_directories(repository_ctx, cc, lang_flag, additional_flags = []): - """Compute the list of default %-escaped C++ include directories.""" - result = repository_ctx.execute([cc, "-E", lang_flag, "-", "-v"] + additional_flags) - index1 = result.stderr.find(_INC_DIR_MARKER_BEGIN) - if index1 == -1: - return [] - index1 = result.stderr.find("\n", index1) - if index1 == -1: - return [] - index2 = result.stderr.rfind("\n ") - if index2 == -1 or index2 < index1: - return [] - index2 = result.stderr.find("\n", index2 + 1) - if index2 == -1: - inc_dirs = result.stderr[index1 + 1:] - else: - inc_dirs = result.stderr[index1 + 1:index2].strip() + """Compute the list of default %-escaped C++ include directories.""" + result = repository_ctx.execute([cc, "-E", lang_flag, "-", "-v"] + additional_flags) + index1 = result.stderr.find(_INC_DIR_MARKER_BEGIN) + if index1 == -1: + return [] + index1 = result.stderr.find("\n", index1) + if index1 == -1: + return [] + index2 = result.stderr.rfind("\n ") + if index2 == -1 or index2 < index1: + return [] + index2 = result.stderr.find("\n", index2 + 1) + if index2 == -1: + inc_dirs = result.stderr[index1 + 1:] + else: + inc_dirs = result.stderr[index1 + 1:index2].strip() - return [_prepare_include_path(repository_ctx, _cxx_inc_convert(p)) - for p in inc_dirs.split("\n")] - + return [ + _prepare_include_path(repository_ctx, _cxx_inc_convert(p)) + for p in inc_dirs.split("\n") + ] def _is_option_supported(repository_ctx, cc, option): - """Checks that `option` is supported by the C compiler. Doesn't %-escape the option.""" - result = repository_ctx.execute([ - cc, - option, - "-o", - "/dev/null", - "-c", - str(repository_ctx.path("tools/cpp/empty.cc")) - ]) - return result.stderr.find(option) == -1 - + """Checks that `option` is supported by the C compiler. Doesn't %-escape the option.""" + result = repository_ctx.execute([ + cc, + option, + "-o", + "/dev/null", + "-c", + str(repository_ctx.path("tools/cpp/empty.cc")), + ]) + return result.stderr.find(option) == -1 def _add_option_if_supported(repository_ctx, cc, option): - """Returns `[option]` if supported, `[]` otherwise. Doesn't %-escape the option.""" - return [option] if _is_option_supported(repository_ctx, cc, option) else [] - + """Returns `[option]` if supported, `[]` otherwise. Doesn't %-escape the option.""" + return [option] if _is_option_supported(repository_ctx, cc, option) else [] def _is_gold_supported(repository_ctx, cc): - """Checks that `gold` is supported by the C compiler.""" - result = repository_ctx.execute([ - cc, - "-fuse-ld=gold", - "-o", - "/dev/null", - # Some macos clang versions don't fail when setting -fuse-ld=gold, adding - # these lines to force it to. This also means that we will not detect - # gold when only a very old (year 2010 and older) is present. - "-Wl,--start-lib", - "-Wl,--end-lib", - str(repository_ctx.path("tools/cpp/empty.cc")) - ]) - return result.return_code == 0 + """Checks that `gold` is supported by the C compiler.""" + result = repository_ctx.execute([ + cc, + "-fuse-ld=gold", + "-o", + "/dev/null", + # Some macos clang versions don't fail when setting -fuse-ld=gold, adding + # these lines to force it to. This also means that we will not detect + # gold when only a very old (year 2010 and older) is present. + "-Wl,--start-lib", + "-Wl,--end-lib", + str(repository_ctx.path("tools/cpp/empty.cc")), + ]) + return result.return_code == 0 def _get_no_canonical_prefixes_opt(repository_ctx, cc): - # If the compiler sometimes rewrites paths in the .d files without symlinks - # (ie when they're shorter), it confuses Bazel's logic for verifying all - # #included header files are listed as inputs to the action. + # If the compiler sometimes rewrites paths in the .d files without symlinks + # (ie when they're shorter), it confuses Bazel's logic for verifying all + # #included header files are listed as inputs to the action. - # The '-fno-canonical-system-headers' should be enough, but clang does not - # support it, so we also try '-no-canonical-prefixes' if first option does - # not work. - opt = _add_option_if_supported(repository_ctx, cc, - "-fno-canonical-system-headers") - if len(opt) == 0: - return _add_option_if_supported(repository_ctx, cc, - "-no-canonical-prefixes") - return opt + # The '-fno-canonical-system-headers' should be enough, but clang does not + # support it, so we also try '-no-canonical-prefixes' if first option does + # not work. + opt = _add_option_if_supported( + repository_ctx, + cc, + "-fno-canonical-system-headers", + ) + if len(opt) == 0: + return _add_option_if_supported( + repository_ctx, + cc, + "-no-canonical-prefixes", + ) + return opt def _crosstool_content(repository_ctx, cc, cpu_value, darwin): - """Return the content for the CROSSTOOL file, in a dictionary.""" - supports_gold_linker = _is_gold_supported(repository_ctx, cc) - cc_path = repository_ctx.path(cc) - if not str(cc_path).startswith(str(repository_ctx.path(".")) + '/'): - # cc is outside the repository, set -B - bin_search_flag = ["-B" + escape_string(str(cc_path.dirname))] - else: - # cc is inside the repository, don't set -B. - bin_search_flag = [] + """Return the content for the CROSSTOOL file, in a dictionary.""" + supports_gold_linker = _is_gold_supported(repository_ctx, cc) + cc_path = repository_ctx.path(cc) + if not str(cc_path).startswith(str(repository_ctx.path(".")) + "/"): + # cc is outside the repository, set -B + bin_search_flag = ["-B" + escape_string(str(cc_path.dirname))] + else: + # cc is inside the repository, don't set -B. + bin_search_flag = [] - escaped_cxx_include_directories = _uniq( - get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc") + - get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc++") + - get_escaped_cxx_inc_directories( - repository_ctx, cc, "-xc", _get_no_canonical_prefixes_opt(repository_ctx, cc)) + - get_escaped_cxx_inc_directories( - repository_ctx, cc, "-xc++", _get_no_canonical_prefixes_opt(repository_ctx, cc))) - return { - "abi_version": escape_string(get_env_var(repository_ctx, "ABI_VERSION", "local", False)), - "abi_libc_version": escape_string(get_env_var(repository_ctx, "ABI_LIBC_VERSION", "local", False)), - "builtin_sysroot": "", - "compiler": escape_string(get_env_var(repository_ctx, "BAZEL_COMPILER", "compiler", False)), - "host_system_name": escape_string(get_env_var(repository_ctx, "BAZEL_HOST_SYSTEM", "local", False)), - "needsPic": True, - "supports_gold_linker": supports_gold_linker, - "supports_incremental_linker": False, - "supports_fission": False, - "supports_interface_shared_objects": False, - "supports_normalizing_ar": False, - "supports_start_end_lib": supports_gold_linker, - "target_libc": "macosx" if darwin else escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_LIBC", "local", False)), - "target_cpu": escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_CPU", cpu_value, False)), - "target_system_name": escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_SYSTEM", "local", False)), - "cxx_flag": [ - "-std=c++0x", - ] + _escaped_cplus_include_paths(repository_ctx), - "linker_flag": ( - ["-fuse-ld=gold"] if supports_gold_linker else [] - ) + _add_option_if_supported( - repository_ctx, cc, "-Wl,-no-as-needed" - ) + _add_option_if_supported( - repository_ctx, cc, "-Wl,-z,relro,-z,now" - ) + ([ - "-undefined", - "dynamic_lookup", - "-headerpad_max_install_names", - ] if darwin else bin_search_flag + [ - # Always have -B/usr/bin, see https://github.com/bazelbuild/bazel/issues/760. - "-B/usr/bin", - # Gold linker only? Can we enable this by default? - # "-Wl,--warn-execstack", - # "-Wl,--detect-odr-violations" - ] + _add_option_if_supported( - # Have gcc return the exit code from ld. - repository_ctx, cc, "-pass-exit-codes") - ) + split_escaped( - get_env_var(repository_ctx, "BAZEL_LINKOPTS", "-lstdc++:-lm", False), ":"), - "cxx_builtin_include_directory": escaped_cxx_include_directories, - "objcopy_embed_flag": ["-I", "binary"], - "unfiltered_cxx_flag": - _get_no_canonical_prefixes_opt(repository_ctx, cc) + [ - # Make C++ compilation deterministic. Use linkstamping instead of these - # compiler symbols. - "-Wno-builtin-macro-redefined", - "-D__DATE__=\\\"redacted\\\"", - "-D__TIMESTAMP__=\\\"redacted\\\"", - "-D__TIME__=\\\"redacted\\\"" - ], - "compiler_flag": [ - # Security hardening requires optimization. - # We need to undef it as some distributions now have it enabled by default. - "-U_FORTIFY_SOURCE", - "-fstack-protector", - # All warnings are enabled. Maybe enable -Werror as well? - "-Wall", - # Enable a few more warnings that aren't part of -Wall. - ] + (["-Wthread-safety", "-Wself-assign"] if darwin else bin_search_flag + [ - # Always have -B/usr/bin, see https://github.com/bazelbuild/bazel/issues/760. - "-B/usr/bin", - ]) + ( - # Disable problematic warnings. - _add_option_if_supported(repository_ctx, cc, "-Wunused-but-set-parameter") + - # has false positives - _add_option_if_supported(repository_ctx, cc, "-Wno-free-nonheap-object") + - # Enable coloring even if there's no attached terminal. Bazel removes the - # escape sequences if --nocolor is specified. - _add_option_if_supported(repository_ctx, cc, "-fcolor-diagnostics")) + [ - # Keep stack frames for debugging, even in opt mode. - "-fno-omit-frame-pointer", - ], - } - + escaped_cxx_include_directories = _uniq( + get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc") + + get_escaped_cxx_inc_directories(repository_ctx, cc, "-xc++") + + get_escaped_cxx_inc_directories( + repository_ctx, + cc, + "-xc", + _get_no_canonical_prefixes_opt(repository_ctx, cc), + ) + + get_escaped_cxx_inc_directories( + repository_ctx, + cc, + "-xc++", + _get_no_canonical_prefixes_opt(repository_ctx, cc), + ), + ) + return { + "abi_version": escape_string(get_env_var(repository_ctx, "ABI_VERSION", "local", False)), + "abi_libc_version": escape_string(get_env_var(repository_ctx, "ABI_LIBC_VERSION", "local", False)), + "builtin_sysroot": "", + "compiler": escape_string(get_env_var(repository_ctx, "BAZEL_COMPILER", "compiler", False)), + "host_system_name": escape_string(get_env_var(repository_ctx, "BAZEL_HOST_SYSTEM", "local", False)), + "needsPic": True, + "supports_gold_linker": supports_gold_linker, + "supports_incremental_linker": False, + "supports_fission": False, + "supports_interface_shared_objects": False, + "supports_normalizing_ar": False, + "supports_start_end_lib": supports_gold_linker, + "target_libc": "macosx" if darwin else escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_LIBC", "local", False)), + "target_cpu": escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_CPU", cpu_value, False)), + "target_system_name": escape_string(get_env_var(repository_ctx, "BAZEL_TARGET_SYSTEM", "local", False)), + "cxx_flag": [ + "-std=c++0x", + ] + _escaped_cplus_include_paths(repository_ctx), + "linker_flag": ( + ["-fuse-ld=gold"] if supports_gold_linker else [] + ) + _add_option_if_supported( + repository_ctx, + cc, + "-Wl,-no-as-needed", + ) + _add_option_if_supported( + repository_ctx, + cc, + "-Wl,-z,relro,-z,now", + ) + ( + [ + "-undefined", + "dynamic_lookup", + "-headerpad_max_install_names", + ] if darwin else bin_search_flag + [ + # Always have -B/usr/bin, see https://github.com/bazelbuild/bazel/issues/760. + "-B/usr/bin", + # Gold linker only? Can we enable this by default? + # "-Wl,--warn-execstack", + # "-Wl,--detect-odr-violations" + ] + _add_option_if_supported( + # Have gcc return the exit code from ld. + repository_ctx, + cc, + "-pass-exit-codes", + ) + ) + split_escaped( + get_env_var(repository_ctx, "BAZEL_LINKOPTS", "-lstdc++:-lm", False), + ":", + ), + "cxx_builtin_include_directory": escaped_cxx_include_directories, + "objcopy_embed_flag": ["-I", "binary"], + "unfiltered_cxx_flag": _get_no_canonical_prefixes_opt(repository_ctx, cc) + [ + # Make C++ compilation deterministic. Use linkstamping instead of these + # compiler symbols. + "-Wno-builtin-macro-redefined", + "-D__DATE__=\\\"redacted\\\"", + "-D__TIMESTAMP__=\\\"redacted\\\"", + "-D__TIME__=\\\"redacted\\\"", + ], + "compiler_flag": [ + # Security hardening requires optimization. + # We need to undef it as some distributions now have it enabled by default. + "-U_FORTIFY_SOURCE", + "-fstack-protector", + # All warnings are enabled. Maybe enable -Werror as well? + "-Wall", + # Enable a few more warnings that aren't part of -Wall. + ] + (["-Wthread-safety", "-Wself-assign"] if darwin else bin_search_flag + [ + # Always have -B/usr/bin, see https://github.com/bazelbuild/bazel/issues/760. + "-B/usr/bin", + ]) + ( + # Disable problematic warnings. + _add_option_if_supported(repository_ctx, cc, "-Wunused-but-set-parameter") + + # has false positives + _add_option_if_supported(repository_ctx, cc, "-Wno-free-nonheap-object") + + # Enable coloring even if there's no attached terminal. Bazel removes the + # escape sequences if --nocolor is specified. + _add_option_if_supported(repository_ctx, cc, "-fcolor-diagnostics") + ) + [ + # Keep stack frames for debugging, even in opt mode. + "-fno-omit-frame-pointer", + ], + } def _opt_content(darwin): - """Return the content of the opt specific section of the CROSSTOOL file.""" - return { - "compiler_flag": [ - # No debug symbols. - # Maybe we should enable https://gcc.gnu.org/wiki/DebugFission for opt or - # even generally? However, that can't happen here, as it requires special - # handling in Bazel. - "-g0", + """Return the content of the opt specific section of the CROSSTOOL file.""" + return { + "compiler_flag": [ + # No debug symbols. + # Maybe we should enable https://gcc.gnu.org/wiki/DebugFission for opt or + # even generally? However, that can't happen here, as it requires special + # handling in Bazel. + "-g0", - # Conservative choice for -O - # -O3 can increase binary size and even slow down the resulting binaries. - # Profile first and / or use FDO if you need better performance than this. - "-O2", + # Conservative choice for -O + # -O3 can increase binary size and even slow down the resulting binaries. + # Profile first and / or use FDO if you need better performance than this. + "-O2", - # Security hardening on by default. - # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases. - "-D_FORTIFY_SOURCE=1", + # Security hardening on by default. + # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases. + "-D_FORTIFY_SOURCE=1", - # Disable assertions - "-DNDEBUG", + # Disable assertions + "-DNDEBUG", - # Removal of unused code and data at link time (can this increase binary size in some cases?). - "-ffunction-sections", - "-fdata-sections" - ], - "linker_flag": [] if darwin else ["-Wl,--gc-sections"] - } - + # Removal of unused code and data at link time (can this increase binary size in some cases?). + "-ffunction-sections", + "-fdata-sections", + ], + "linker_flag": [] if darwin else ["-Wl,--gc-sections"], + } def _dbg_content(): - """Return the content of the dbg specific section of the CROSSTOOL file.""" - # Enable debug symbols - return {"compiler_flag": "-g"} + """Return the content of the dbg specific section of the CROSSTOOL file.""" + # Enable debug symbols + return {"compiler_flag": "-g"} def get_env(repository_ctx): - """Convert the environment in a list of export if in Homebrew. Doesn't %-escape the result!""" - env = repository_ctx.os.environ - if "HOMEBREW_RUBY_PATH" in env: - return "\n".join([ - "export %s='%s'" % (k, env[k].replace("'", "'\\''")) - for k in env - if k != "_" and k.find(".") == -1 - ]) - else: - return "" - + """Convert the environment in a list of export if in Homebrew. Doesn't %-escape the result!""" + env = repository_ctx.os.environ + if "HOMEBREW_RUBY_PATH" in env: + return "\n".join([ + "export %s='%s'" % (k, env[k].replace("'", "'\\''")) + for k in env + if k != "_" and k.find(".") == -1 + ]) + else: + return "" def _coverage_feature(repository_ctx, darwin): - use_llvm_cov = "1" == get_env_var( - repository_ctx, - "BAZEL_USE_LLVM_NATIVE_COVERAGE", - default="0", - enable_warning=False) - if darwin or use_llvm_cov: - compile_flags = """flag_group { + use_llvm_cov = "1" == get_env_var( + repository_ctx, + "BAZEL_USE_LLVM_NATIVE_COVERAGE", + default = "0", + enable_warning = False, + ) + if darwin or use_llvm_cov: + compile_flags = """flag_group { flag: '-fprofile-instr-generate' flag: '-fcoverage-mapping' }""" - link_flags = """flag_group { + link_flags = """flag_group { flag: '-fprofile-instr-generate' }""" - else: - # gcc requires --coverage being passed for compilation and linking - # https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#Instrumentation-Options - compile_flags = """flag_group { + else: + # gcc requires --coverage being passed for compilation and linking + # https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#Instrumentation-Options + compile_flags = """flag_group { flag: '--coverage' }""" - link_flags = """flag_group { + link_flags = """flag_group { flag: '--coverage' }""" - # Note that we also set --coverage for c++-link-nodeps-dynamic-library. The - # generated code contains references to gcov symbols, and the dynamic linker - # can't resolve them unless the library is linked against gcov. - return """ + + # Note that we also set --coverage for c++-link-nodeps-dynamic-library. The + # generated code contains references to gcov symbols, and the dynamic linker + # can't resolve them unless the library is linked against gcov. + return """ feature { name: 'coverage' provides: 'profile' @@ -392,111 +413,127 @@ """ def _find_generic(repository_ctx, name, env_name, overriden_tools, warn = False): - """Find a generic C++ toolchain tool. Doesn't %-escape the result.""" + """Find a generic C++ toolchain tool. Doesn't %-escape the result.""" - if name in overriden_tools: - return overriden_tools[name] + if name in overriden_tools: + return overriden_tools[name] - result = name - env_value = repository_ctx.os.environ.get(env_name) - env_value_with_paren = "" - if env_value != None: - env_value = env_value.strip() - if env_value: - result = env_value - env_value_with_paren = " (%s)" % env_value - if result.startswith("/"): - # Absolute path, maybe we should make this suported by our which function. + result = name + env_value = repository_ctx.os.environ.get(env_name) + env_value_with_paren = "" + if env_value != None: + env_value = env_value.strip() + if env_value: + result = env_value + env_value_with_paren = " (%s)" % env_value + if result.startswith("/"): + # Absolute path, maybe we should make this suported by our which function. + return result + result = repository_ctx.which(result) + if result == None: + msg = ("Cannot find %s or %s%s; either correct your path or set the %s" + + " environment variable") % (name, env_name, env_value_with_paren, env_name) + if warn: + auto_configure_warning(msg) + else: + auto_configure_fail(msg) return result - result = repository_ctx.which(result) - if result == None: - msg = ("Cannot find %s or %s%s; either correct your path or set the %s" - + " environment variable") % (name, env_name, env_value_with_paren, env_name) - if warn: - auto_configure_warning(msg) - else: - auto_configure_fail(msg) - return result def find_cc(repository_ctx, overriden_tools): - return _find_generic(repository_ctx, "gcc", "CC", overriden_tools) + return _find_generic(repository_ctx, "gcc", "CC", overriden_tools) def configure_unix_toolchain(repository_ctx, cpu_value, overriden_tools): - """Configure C++ toolchain on Unix platforms.""" - paths = resolve_labels(repository_ctx, [ - "@bazel_tools//tools/cpp:BUILD.tpl", - "@bazel_tools//tools/cpp:CROSSTOOL.tpl", - "@bazel_tools//tools/cpp:linux_cc_wrapper.sh.tpl", - "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl", - ]) + """Configure C++ toolchain on Unix platforms.""" + paths = resolve_labels(repository_ctx, [ + "@bazel_tools//tools/cpp:BUILD.tpl", + "@bazel_tools//tools/cpp:CROSSTOOL.tpl", + "@bazel_tools//tools/cpp:linux_cc_wrapper.sh.tpl", + "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl", + ]) - repository_ctx.file("tools/cpp/empty.cc", "int main() {}") - darwin = cpu_value == "darwin" + repository_ctx.file("tools/cpp/empty.cc", "int main() {}") + darwin = cpu_value == "darwin" - cc = _find_generic(repository_ctx, "gcc", "CC", overriden_tools) - overriden_tools = dict(overriden_tools) - overriden_tools["gcc"] = cc - overriden_tools["gcov"] = _find_generic( - repository_ctx, "gcov", "GCOV", overriden_tools, warn = True) - if darwin: - overriden_tools["gcc"] = "cc_wrapper.sh" - overriden_tools["ar"] = "/usr/bin/libtool" + cc = _find_generic(repository_ctx, "gcc", "CC", overriden_tools) + overriden_tools = dict(overriden_tools) + overriden_tools["gcc"] = cc + overriden_tools["gcov"] = _find_generic( + repository_ctx, + "gcov", + "GCOV", + overriden_tools, + warn = True, + ) + if darwin: + overriden_tools["gcc"] = "cc_wrapper.sh" + overriden_tools["ar"] = "/usr/bin/libtool" - tool_paths = _get_tool_paths(repository_ctx, overriden_tools) - crosstool_content = _crosstool_content(repository_ctx, cc, cpu_value, darwin) - opt_content = _opt_content(darwin) - dbg_content = _dbg_content() + tool_paths = _get_tool_paths(repository_ctx, overriden_tools) + crosstool_content = _crosstool_content(repository_ctx, cc, cpu_value, darwin) + opt_content = _opt_content(darwin) + dbg_content = _dbg_content() - repository_ctx.template( - "BUILD", - paths["@bazel_tools//tools/cpp:BUILD.tpl"], - { - "%{name}": cpu_value, - "%{supports_param_files}": "0" if darwin else "1", - "%{cc_compiler_deps}": ":cc_wrapper" if darwin else ":empty", - "%{compiler}": get_env_var( - repository_ctx, "BAZEL_COMPILER", "compiler", False), - }) + repository_ctx.template( + "BUILD", + paths["@bazel_tools//tools/cpp:BUILD.tpl"], + { + "%{name}": cpu_value, + "%{supports_param_files}": "0" if darwin else "1", + "%{cc_compiler_deps}": ":cc_wrapper" if darwin else ":empty", + "%{compiler}": get_env_var( + repository_ctx, + "BAZEL_COMPILER", + "compiler", + False, + ), + }, + ) - cc_wrapper_src = ( - "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl" - if darwin else "@bazel_tools//tools/cpp:linux_cc_wrapper.sh.tpl") - repository_ctx.template( - "cc_wrapper.sh", - paths[cc_wrapper_src], - { - "%{cc}": escape_string(str(cc)), - "%{env}": escape_string(get_env(repository_ctx)), - }) + cc_wrapper_src = ( + "@bazel_tools//tools/cpp:osx_cc_wrapper.sh.tpl" if darwin else "@bazel_tools//tools/cpp:linux_cc_wrapper.sh.tpl" + ) + repository_ctx.template( + "cc_wrapper.sh", + paths[cc_wrapper_src], + { + "%{cc}": escape_string(str(cc)), + "%{env}": escape_string(get_env(repository_ctx)), + }, + ) - repository_ctx.template( - "CROSSTOOL", - paths["@bazel_tools//tools/cpp:CROSSTOOL.tpl"], - { - "%{cpu}": escape_string(cpu_value), - "%{default_toolchain_name}": escape_string( - get_env_var(repository_ctx, - "CC_TOOLCHAIN_NAME", - "local", - False)), - "%{toolchain_name}": escape_string( - get_env_var(repository_ctx, "CC_TOOLCHAIN_NAME", "local", False)), - "%{content}": _build_crosstool(crosstool_content) + "\n" + - _build_tool_path(tool_paths), - "%{opt_content}": _build_crosstool(opt_content, " "), - "%{dbg_content}": _build_crosstool(dbg_content, " "), - "%{cxx_builtin_include_directory}": "", - "%{coverage}": _coverage_feature(repository_ctx, darwin), - "%{msvc_env_tmp}": "", - "%{msvc_env_path}": "", - "%{msvc_env_include}": "", - "%{msvc_env_lib}": "", - "%{msvc_cl_path}": "", - "%{msvc_ml_path}": "", - "%{msvc_link_path}": "", - "%{msvc_lib_path}": "", - "%{msys_x64_mingw_content}": "", - "%{dbg_mode_debug}": "", - "%{fastbuild_mode_debug}": "", - "%{compilation_mode_content}": "", - }) + repository_ctx.template( + "CROSSTOOL", + paths["@bazel_tools//tools/cpp:CROSSTOOL.tpl"], + { + "%{cpu}": escape_string(cpu_value), + "%{default_toolchain_name}": escape_string( + get_env_var( + repository_ctx, + "CC_TOOLCHAIN_NAME", + "local", + False, + ), + ), + "%{toolchain_name}": escape_string( + get_env_var(repository_ctx, "CC_TOOLCHAIN_NAME", "local", False), + ), + "%{content}": _build_crosstool(crosstool_content) + "\n" + + _build_tool_path(tool_paths), + "%{opt_content}": _build_crosstool(opt_content, " "), + "%{dbg_content}": _build_crosstool(dbg_content, " "), + "%{cxx_builtin_include_directory}": "", + "%{coverage}": _coverage_feature(repository_ctx, darwin), + "%{msvc_env_tmp}": "", + "%{msvc_env_path}": "", + "%{msvc_env_include}": "", + "%{msvc_env_lib}": "", + "%{msvc_cl_path}": "", + "%{msvc_ml_path}": "", + "%{msvc_link_path}": "", + "%{msvc_lib_path}": "", + "%{msys_x64_mingw_content}": "", + "%{dbg_mode_debug}": "", + "%{fastbuild_mode_debug}": "", + "%{compilation_mode_content}": "", + }, + )
diff --git a/tools/cpp/windows_cc_configure.bzl b/tools/cpp/windows_cc_configure.bzl index 8c32102..11dc0ad 100644 --- a/tools/cpp/windows_cc_configure.bzl +++ b/tools/cpp/windows_cc_configure.bzl
@@ -16,318 +16,437 @@ load( "@bazel_tools//tools/cpp:lib_cc_configure.bzl", - "escape_string", "auto_configure_fail", "auto_configure_warning", - "get_env_var", - "which", - "which_cmd", + "escape_string", "execute", + "get_env_var", "is_cc_configure_debug", "resolve_labels", + "which", + "which_cmd", ) def _get_escaped_windows_msys_crosstool_content(repository_ctx, use_mingw = False): - """Return the content of msys crosstool which is still the default CROSSTOOL on Windows.""" - bazel_sh = get_env_var(repository_ctx, "BAZEL_SH").replace("\\", "/").lower() - tokens = bazel_sh.rsplit("/", 1) - prefix = "mingw64" if use_mingw else "usr" - msys_root = None - if tokens[0].endswith("/usr/bin"): - msys_root = tokens[0][:len(tokens[0]) - len("usr/bin")] - elif tokens[0].endswith("/bin"): - msys_root = tokens[0][:len(tokens[0]) - len("bin")] - if not msys_root: - auto_configure_fail( - "Could not determine MSYS/Cygwin root from BAZEL_SH (%s)" % bazel_sh) - escaped_msys_root = escape_string(msys_root) - return ((( - ' abi_version: "local"\n' + - ' abi_libc_version: "local"\n' + - ' builtin_sysroot: ""\n' + - ' compiler: "msys-gcc"\n' + - ' host_system_name: "local"\n' + - ' needsPic: false\n' + - ' target_libc: "msys"\n' + - ' target_cpu: "x64_windows"\n' + - ' target_system_name: "local"\n') if not use_mingw else '') + - ' tool_path { name: "ar" path: "%s%s/bin/ar" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "compat-ld" path: "%s%s/bin/ld" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "cpp" path: "%s%s/bin/cpp" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "dwp" path: "%s%s/bin/dwp" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "gcc" path: "%s%s/bin/gcc" }\n' % (escaped_msys_root, prefix) + - ' artifact_name_pattern { category_name: "executable" prefix: "" extension: ".exe"}\n' + - ' cxx_flag: "-std=gnu++0x"\n' + - ' linker_flag: "-lstdc++"\n' + - ' cxx_builtin_include_directory: "%s%s/"\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "gcov" path: "%s%s/bin/gcov" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "ld" path: "%s%s/bin/ld" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "nm" path: "%s%s/bin/nm" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "objcopy" path: "%s%s/bin/objcopy" }\n' % (escaped_msys_root, prefix) + - ' objcopy_embed_flag: "-I"\n' + - ' objcopy_embed_flag: "binary"\n' + - ' tool_path { name: "objdump" path: "%s%s/bin/objdump" }\n' % (escaped_msys_root, prefix) + - ' tool_path { name: "strip" path: "%s%s/bin/strip" }'% (escaped_msys_root, prefix) + - ' feature { name: "targets_windows" implies: "copy_dynamic_libraries_to_binary" enabled: true }' + - ' feature { name: "copy_dynamic_libraries_to_binary" }' ) + """Return the content of msys crosstool which is still the default CROSSTOOL on Windows.""" + bazel_sh = get_env_var(repository_ctx, "BAZEL_SH").replace("\\", "/").lower() + tokens = bazel_sh.rsplit("/", 1) + prefix = "mingw64" if use_mingw else "usr" + msys_root = None + if tokens[0].endswith("/usr/bin"): + msys_root = tokens[0][:len(tokens[0]) - len("usr/bin")] + elif tokens[0].endswith("/bin"): + msys_root = tokens[0][:len(tokens[0]) - len("bin")] + if not msys_root: + auto_configure_fail( + "Could not determine MSYS/Cygwin root from BAZEL_SH (%s)" % bazel_sh, + ) + escaped_msys_root = escape_string(msys_root) + return ((( + ' abi_version: "local"\n' + + ' abi_libc_version: "local"\n' + + ' builtin_sysroot: ""\n' + + ' compiler: "msys-gcc"\n' + + ' host_system_name: "local"\n' + + " needsPic: false\n" + + ' target_libc: "msys"\n' + + ' target_cpu: "x64_windows"\n' + + ' target_system_name: "local"\n' + ) if not use_mingw else "") + + ' tool_path { name: "ar" path: "%s%s/bin/ar" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "compat-ld" path: "%s%s/bin/ld" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "cpp" path: "%s%s/bin/cpp" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "dwp" path: "%s%s/bin/dwp" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "gcc" path: "%s%s/bin/gcc" }\n' % (escaped_msys_root, prefix) + + ' artifact_name_pattern { category_name: "executable" prefix: "" extension: ".exe"}\n' + + ' cxx_flag: "-std=gnu++0x"\n' + + ' linker_flag: "-lstdc++"\n' + + ' cxx_builtin_include_directory: "%s%s/"\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "gcov" path: "%s%s/bin/gcov" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "ld" path: "%s%s/bin/ld" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "nm" path: "%s%s/bin/nm" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "objcopy" path: "%s%s/bin/objcopy" }\n' % (escaped_msys_root, prefix) + + ' objcopy_embed_flag: "-I"\n' + + ' objcopy_embed_flag: "binary"\n' + + ' tool_path { name: "objdump" path: "%s%s/bin/objdump" }\n' % (escaped_msys_root, prefix) + + ' tool_path { name: "strip" path: "%s%s/bin/strip" }' % (escaped_msys_root, prefix) + + ' feature { name: "targets_windows" implies: "copy_dynamic_libraries_to_binary" enabled: true }' + + ' feature { name: "copy_dynamic_libraries_to_binary" }') def _get_system_root(repository_ctx): - r"""Get System root path on Windows, default is C:\\Windows. Doesn't %-escape the result.""" - if "SYSTEMROOT" in repository_ctx.os.environ: - return escape_string(repository_ctx.os.environ["SYSTEMROOT"]) - auto_configure_warning("SYSTEMROOT is not set, using default SYSTEMROOT=C:\\Windows") - return "C:\\Windows" + """Get System root path on Windows, default is C:\\\Windows. Doesn't %-escape the result.""" + if "SYSTEMROOT" in repository_ctx.os.environ: + return escape_string(repository_ctx.os.environ["SYSTEMROOT"]) + auto_configure_warning("SYSTEMROOT is not set, using default SYSTEMROOT=C:\\Windows") + return "C:\\Windows" def _find_cuda(repository_ctx): - """Find out if and where cuda is installed. Doesn't %-escape the result.""" - if "CUDA_PATH" in repository_ctx.os.environ: - return repository_ctx.os.environ["CUDA_PATH"] - nvcc = which(repository_ctx, "nvcc.exe") - if nvcc: - return nvcc[:-len("/bin/nvcc.exe")] - return None + """Find out if and where cuda is installed. Doesn't %-escape the result.""" + if "CUDA_PATH" in repository_ctx.os.environ: + return repository_ctx.os.environ["CUDA_PATH"] + nvcc = which(repository_ctx, "nvcc.exe") + if nvcc: + return nvcc[:-len("/bin/nvcc.exe")] + return None def _find_python(repository_ctx): - """Find where is python on Windows. Doesn't %-escape the result.""" - if "BAZEL_PYTHON" in repository_ctx.os.environ: - python_binary = repository_ctx.os.environ["BAZEL_PYTHON"] - if not python_binary.endswith(".exe"): - python_binary = python_binary + ".exe" + """Find where is python on Windows. Doesn't %-escape the result.""" + if "BAZEL_PYTHON" in repository_ctx.os.environ: + python_binary = repository_ctx.os.environ["BAZEL_PYTHON"] + if not python_binary.endswith(".exe"): + python_binary = python_binary + ".exe" + return python_binary + auto_configure_warning("'BAZEL_PYTHON' is not set, start looking for python in PATH.") + python_binary = which_cmd(repository_ctx, "python.exe") + auto_configure_warning("Python found at %s" % python_binary) return python_binary - auto_configure_warning("'BAZEL_PYTHON' is not set, start looking for python in PATH.") - python_binary = which_cmd(repository_ctx, "python.exe") - auto_configure_warning("Python found at %s" % python_binary) - return python_binary def _add_system_root(repository_ctx, env): - r"""Running VCVARSALL.BAT and VCVARSQUERYREGISTRY.BAT need %SYSTEMROOT%\\system32 in PATH.""" - if "PATH" not in env: - env["PATH"] = "" - env["PATH"] = env["PATH"] + ";" + _get_system_root(repository_ctx) + "\\system32" - return env + """Running VCVARSALL.BAT and VCVARSQUERYREGISTRY.BAT need %SYSTEMROOT%\\\\system32 in PATH.""" + if "PATH" not in env: + env["PATH"] = "" + env["PATH"] = env["PATH"] + ";" + _get_system_root(repository_ctx) + "\\system32" + return env def find_vc_path(repository_ctx): - """Find Visual C++ build tools install path. Doesn't %-escape the result.""" - # 1. Check if BAZEL_VC or BAZEL_VS is already set by user. - if "BAZEL_VC" in repository_ctx.os.environ: - return repository_ctx.os.environ["BAZEL_VC"] + """Find Visual C++ build tools install path. Doesn't %-escape the result.""" - if "BAZEL_VS" in repository_ctx.os.environ: - return repository_ctx.os.environ["BAZEL_VS"] + "\\VC\\" - auto_configure_warning("'BAZEL_VC' is not set, " + - "start looking for the latest Visual C++ installed.") + # 1. Check if BAZEL_VC or BAZEL_VS is already set by user. + if "BAZEL_VC" in repository_ctx.os.environ: + return repository_ctx.os.environ["BAZEL_VC"] - # 2. Check if VS%VS_VERSION%COMNTOOLS is set, if true then try to find and use - # vcvarsqueryregistry.bat to detect VC++. - auto_configure_warning("Looking for VS%VERSION%COMNTOOLS environment variables, " + - "eg. VS140COMNTOOLS") - for vscommontools_env in ["VS140COMNTOOLS", "VS120COMNTOOLS", - "VS110COMNTOOLS", "VS100COMNTOOLS", "VS90COMNTOOLS"]: - if vscommontools_env not in repository_ctx.os.environ: - continue - vcvarsqueryregistry = repository_ctx.os.environ[vscommontools_env] + "\\vcvarsqueryregistry.bat" - if not repository_ctx.path(vcvarsqueryregistry).exists: - continue - repository_ctx.file("get_vc_dir.bat", - "@echo off\n" + - "call \"" + vcvarsqueryregistry + "\"\n" + - "echo %VCINSTALLDIR%", True) - env = _add_system_root(repository_ctx, repository_ctx.os.environ) - vc_dir = execute(repository_ctx, ["./get_vc_dir.bat"], environment=env) + if "BAZEL_VS" in repository_ctx.os.environ: + return repository_ctx.os.environ["BAZEL_VS"] + "\\VC\\" + auto_configure_warning("'BAZEL_VC' is not set, " + + "start looking for the latest Visual C++ installed.") + # 2. Check if VS%VS_VERSION%COMNTOOLS is set, if true then try to find and use + # vcvarsqueryregistry.bat to detect VC++. + auto_configure_warning("Looking for VS%VERSION%COMNTOOLS environment variables, " + + "eg. VS140COMNTOOLS") + for vscommontools_env in [ + "VS140COMNTOOLS", + "VS120COMNTOOLS", + "VS110COMNTOOLS", + "VS100COMNTOOLS", + "VS90COMNTOOLS", + ]: + if vscommontools_env not in repository_ctx.os.environ: + continue + vcvarsqueryregistry = repository_ctx.os.environ[vscommontools_env] + "\\vcvarsqueryregistry.bat" + if not repository_ctx.path(vcvarsqueryregistry).exists: + continue + repository_ctx.file( + "get_vc_dir.bat", + "@echo off\n" + + "call \"" + vcvarsqueryregistry + "\"\n" + + "echo %VCINSTALLDIR%", + True, + ) + env = _add_system_root(repository_ctx, repository_ctx.os.environ) + vc_dir = execute(repository_ctx, ["./get_vc_dir.bat"], environment = env) + + auto_configure_warning("Visual C++ build tools found at %s" % vc_dir) + return vc_dir + + # 3. User might clean up all environment variables, if so looking for Visual C++ through registry. + # Works for all VS versions, including Visual Studio 2017. + auto_configure_warning("Looking for Visual C++ through registry") + reg_binary = _get_system_root(repository_ctx) + "\\system32\\reg.exe" + vc_dir = None + for key, suffix in (("VC7", ""), ("VS7", "\\VC")): + for version in ["15.0", "14.0", "12.0", "11.0", "10.0", "9.0", "8.0"]: + if vc_dir: + break + result = repository_ctx.execute([reg_binary, "query", "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\VisualStudio\\SxS\\" + key, "/v", version]) + if is_cc_configure_debug(repository_ctx): + auto_configure_warning("registry query result for VC %s:\n\nSTDOUT(start)\n%s\nSTDOUT(end)\nSTDERR(start):\n%s\nSTDERR(end)\n" % + (version, result.stdout, result.stderr)) + if not result.stderr: + for line in result.stdout.split("\n"): + line = line.strip() + if line.startswith(version) and line.find("REG_SZ") != -1: + vc_dir = line[line.find("REG_SZ") + len("REG_SZ"):].strip() + suffix + + if not vc_dir: + return None auto_configure_warning("Visual C++ build tools found at %s" % vc_dir) return vc_dir - # 3. User might clean up all environment variables, if so looking for Visual C++ through registry. - # Works for all VS versions, including Visual Studio 2017. - auto_configure_warning("Looking for Visual C++ through registry") - reg_binary = _get_system_root(repository_ctx) + "\\system32\\reg.exe" - vc_dir = None - for key, suffix in (("VC7", ""), ("VS7", "\\VC")): - for version in ["15.0", "14.0", "12.0", "11.0", "10.0", "9.0", "8.0"]: - if vc_dir: - break - result = repository_ctx.execute([reg_binary, "query", "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\VisualStudio\\SxS\\" + key, "/v", version]) - if is_cc_configure_debug(repository_ctx): - auto_configure_warning("registry query result for VC %s:\n\nSTDOUT(start)\n%s\nSTDOUT(end)\nSTDERR(start):\n%s\nSTDERR(end)\n" % - (version, result.stdout, result.stderr)) - if not result.stderr: - for line in result.stdout.split("\n"): - line = line.strip() - if line.startswith(version) and line.find("REG_SZ") != -1: - vc_dir = line[line.find("REG_SZ") + len("REG_SZ"):].strip() + suffix - - if not vc_dir: - return None - auto_configure_warning("Visual C++ build tools found at %s" % vc_dir) - return vc_dir - def _is_vs_2017(vc_path): - """Check if the installed VS version is Visual Studio 2017.""" - # In VS 2017, the location of VC is like: - # C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\ - # In VS 2015 or older version, it is like: - # C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ - return vc_path.find("2017") != -1 + """Check if the installed VS version is Visual Studio 2017.""" + + # In VS 2017, the location of VC is like: + # C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\ + # In VS 2015 or older version, it is like: + # C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ + return vc_path.find("2017") != -1 def _find_vcvarsall_bat_script(repository_ctx, vc_path): - """Find vcvarsall.bat script. Doesn't %-escape the result.""" - if _is_vs_2017(vc_path): - vcvarsall = vc_path + "\\Auxiliary\\Build\\VCVARSALL.BAT" - else: - vcvarsall = vc_path + "\\VCVARSALL.BAT" + """Find vcvarsall.bat script. Doesn't %-escape the result.""" + if _is_vs_2017(vc_path): + vcvarsall = vc_path + "\\Auxiliary\\Build\\VCVARSALL.BAT" + else: + vcvarsall = vc_path + "\\VCVARSALL.BAT" - if not repository_ctx.path(vcvarsall).exists: - return None + if not repository_ctx.path(vcvarsall).exists: + return None - return vcvarsall + return vcvarsall def setup_vc_env_vars(repository_ctx, vc_path): - """Get environment variables set by VCVARSALL.BAT. Doesn't %-escape the result!""" - vcvarsall = _find_vcvarsall_bat_script(repository_ctx, vc_path) - if not vcvarsall: - return None - repository_ctx.file("get_env.bat", - "@echo off\n" + - "call \"" + vcvarsall + "\" amd64 > NUL \n" + - "echo PATH=%PATH%,INCLUDE=%INCLUDE%,LIB=%LIB%,WINDOWSSDKDIR=%WINDOWSSDKDIR% \n", True) - env = _add_system_root(repository_ctx, - {"PATH": "", "INCLUDE": "", "LIB": "", "WINDOWSSDKDIR": ""}) - envs = execute(repository_ctx, ["./get_env.bat"], environment=env).split(",") - env_map = {} - for env in envs: - key, value = env.split("=", 1) - env_map[key] = escape_string(value.replace("\\", "\\\\")) - return env_map + """Get environment variables set by VCVARSALL.BAT. Doesn't %-escape the result!""" + vcvarsall = _find_vcvarsall_bat_script(repository_ctx, vc_path) + if not vcvarsall: + return None + repository_ctx.file( + "get_env.bat", + "@echo off\n" + + "call \"" + vcvarsall + "\" amd64 > NUL \n" + + "echo PATH=%PATH%,INCLUDE=%INCLUDE%,LIB=%LIB%,WINDOWSSDKDIR=%WINDOWSSDKDIR% \n", + True, + ) + env = _add_system_root( + repository_ctx, + {"PATH": "", "INCLUDE": "", "LIB": "", "WINDOWSSDKDIR": ""}, + ) + envs = execute(repository_ctx, ["./get_env.bat"], environment = env).split(",") + env_map = {} + for env in envs: + key, value = env.split("=", 1) + env_map[key] = escape_string(value.replace("\\", "\\\\")) + return env_map def find_msvc_tool(repository_ctx, vc_path, tool): - """Find the exact path of a specific build tool in MSVC. Doesn't %-escape the result.""" - tool_path = "" - if _is_vs_2017(vc_path): - # For VS 2017, the tools are under a directory like: - # C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.10.24930\bin\HostX64\x64 - dirs = repository_ctx.path(vc_path + "\\Tools\\MSVC").readdir() - if len(dirs) < 1: - return None - # Normally there should be only one child directory under %VC_PATH%\TOOLS\MSVC, - # but iterate every directory to be more robust. - for path in dirs: - tool_path = str(path) + "\\bin\\HostX64\\x64\\" + tool - if repository_ctx.path(tool_path).exists: - break - else: - # For VS 2015 and older version, the tools are under: - # C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\amd64 - tool_path = vc_path + "\\bin\\amd64\\" + tool + """Find the exact path of a specific build tool in MSVC. Doesn't %-escape the result.""" + tool_path = "" + if _is_vs_2017(vc_path): + # For VS 2017, the tools are under a directory like: + # C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.10.24930\bin\HostX64\x64 + dirs = repository_ctx.path(vc_path + "\\Tools\\MSVC").readdir() + if len(dirs) < 1: + return None - if not repository_ctx.path(tool_path).exists: - return None + # Normally there should be only one child directory under %VC_PATH%\TOOLS\MSVC, + # but iterate every directory to be more robust. + for path in dirs: + tool_path = str(path) + "\\bin\\HostX64\\x64\\" + tool + if repository_ctx.path(tool_path).exists: + break + else: + # For VS 2015 and older version, the tools are under: + # C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\amd64 + tool_path = vc_path + "\\bin\\amd64\\" + tool - return tool_path + if not repository_ctx.path(tool_path).exists: + return None + + return tool_path def _find_missing_vc_tools(repository_ctx, vc_path): - """Check if any required tool is missing under given VC path.""" - missing_tools = [] - if not _find_vcvarsall_bat_script(repository_ctx, vc_path): - missing_tools.append("VCVARSALL.BAT") + """Check if any required tool is missing under given VC path.""" + missing_tools = [] + if not _find_vcvarsall_bat_script(repository_ctx, vc_path): + missing_tools.append("VCVARSALL.BAT") - for tool in ["cl.exe", "link.exe", "lib.exe", "ml64.exe"]: - if not find_msvc_tool(repository_ctx, vc_path, tool): - missing_tools.append(tool) + for tool in ["cl.exe", "link.exe", "lib.exe", "ml64.exe"]: + if not find_msvc_tool(repository_ctx, vc_path, tool): + missing_tools.append(tool) - return missing_tools + return missing_tools def _is_support_whole_archive(repository_ctx, vc_path): - """Run MSVC linker alone to see if it supports /WHOLEARCHIVE.""" - env = repository_ctx.os.environ - if "NO_WHOLE_ARCHIVE_OPTION" in env and env["NO_WHOLE_ARCHIVE_OPTION"] == "1": - return False - linker = find_msvc_tool(repository_ctx, vc_path, "link.exe") - result = execute(repository_ctx, [linker], expect_failure = True) - return result.find("/WHOLEARCHIVE") != -1 + """Run MSVC linker alone to see if it supports /WHOLEARCHIVE.""" + env = repository_ctx.os.environ + if "NO_WHOLE_ARCHIVE_OPTION" in env and env["NO_WHOLE_ARCHIVE_OPTION"] == "1": + return False + linker = find_msvc_tool(repository_ctx, vc_path, "link.exe") + result = execute(repository_ctx, [linker], expect_failure = True) + return result.find("/WHOLEARCHIVE") != -1 def _is_support_debug_fastlink(repository_ctx, vc_path): - """Run MSVC linker alone to see if it supports /DEBUG:FASTLINK.""" - linker = find_msvc_tool(repository_ctx, vc_path, "link.exe") - result = execute(repository_ctx, [linker], expect_failure = True) - return result.find("/DEBUG[:{FASTLINK|FULL|NONE}]") != -1 + """Run MSVC linker alone to see if it supports /DEBUG:FASTLINK.""" + linker = find_msvc_tool(repository_ctx, vc_path, "link.exe") + result = execute(repository_ctx, [linker], expect_failure = True) + return result.find("/DEBUG[:{FASTLINK|FULL|NONE}]") != -1 def _is_use_msvc_wrapper(repository_ctx): - """Returns True if USE_MSVC_WRAPPER is set to 1.""" - env = repository_ctx.os.environ - return "USE_MSVC_WRAPPER" in env and env["USE_MSVC_WRAPPER"] == "1" + """Returns True if USE_MSVC_WRAPPER is set to 1.""" + env = repository_ctx.os.environ + return "USE_MSVC_WRAPPER" in env and env["USE_MSVC_WRAPPER"] == "1" def _get_compilation_mode_content(): - """Return the content for adding flags for different compilation modes when using MSVC wrapper.""" - return "\n".join([ - " compilation_mode_flags {", - " mode: DBG", - " compiler_flag: '-Xcompilation-mode=dbg'", - " linker_flag: '-Xcompilation-mode=dbg'", - " }", - " compilation_mode_flags {", - " mode: FASTBUILD", - " compiler_flag: '-Xcompilation-mode=fastbuild'", - " linker_flag: '-Xcompilation-mode=fastbuild'", - " }", - " compilation_mode_flags {", - " mode: OPT", - " compiler_flag: '-Xcompilation-mode=opt'", - " linker_flag: '-Xcompilation-mode=opt'", - " }"]) + """Return the content for adding flags for different compilation modes when using MSVC wrapper.""" + return "\n".join([ + " compilation_mode_flags {", + " mode: DBG", + " compiler_flag: '-Xcompilation-mode=dbg'", + " linker_flag: '-Xcompilation-mode=dbg'", + " }", + " compilation_mode_flags {", + " mode: FASTBUILD", + " compiler_flag: '-Xcompilation-mode=fastbuild'", + " linker_flag: '-Xcompilation-mode=fastbuild'", + " }", + " compilation_mode_flags {", + " mode: OPT", + " compiler_flag: '-Xcompilation-mode=opt'", + " linker_flag: '-Xcompilation-mode=opt'", + " }", + ]) def _escaped_cuda_compute_capabilities(repository_ctx): - """Returns a %-escaped list of strings representing cuda compute capabilities.""" + """Returns a %-escaped list of strings representing cuda compute capabilities.""" - if "CUDA_COMPUTE_CAPABILITIES" not in repository_ctx.os.environ: - return ["3.5", "5.2"] - capabilities_str = escape_string(repository_ctx.os.environ["CUDA_COMPUTE_CAPABILITIES"]) - capabilities = capabilities_str.split(",") - for capability in capabilities: - # Workaround for Skylark's lack of support for regex. This check should - # be equivalent to checking: - # if re.match("[0-9]+.[0-9]+", capability) == None: - parts = capability.split(".") - if len(parts) != 2 or not parts[0].isdigit() or not parts[1].isdigit(): - auto_configure_fail("Invalid compute capability: %s" % capability) - return capabilities + if "CUDA_COMPUTE_CAPABILITIES" not in repository_ctx.os.environ: + return ["3.5", "5.2"] + capabilities_str = escape_string(repository_ctx.os.environ["CUDA_COMPUTE_CAPABILITIES"]) + capabilities = capabilities_str.split(",") + for capability in capabilities: + # Workaround for Skylark's lack of support for regex. This check should + # be equivalent to checking: + # if re.match("[0-9]+.[0-9]+", capability) == None: + parts = capability.split(".") + if len(parts) != 2 or not parts[0].isdigit() or not parts[1].isdigit(): + auto_configure_fail("Invalid compute capability: %s" % capability) + return capabilities def configure_windows_toolchain(repository_ctx): - """Configure C++ toolchain on Windows.""" - paths = resolve_labels(repository_ctx, [ - "@bazel_tools//tools/cpp:BUILD.static.windows", - "@bazel_tools//tools/cpp:CROSSTOOL", - "@bazel_tools//tools/cpp:CROSSTOOL.tpl", - "@bazel_tools//tools/cpp:vc_installation_error.bat.tpl", - "@bazel_tools//tools/cpp:wrapper/bin/call_python.bat.tpl", - "@bazel_tools//tools/cpp:wrapper/bin/pydir/msvc_tools.py.tpl", - ]) + """Configure C++ toolchain on Windows.""" + paths = resolve_labels(repository_ctx, [ + "@bazel_tools//tools/cpp:BUILD.static.windows", + "@bazel_tools//tools/cpp:CROSSTOOL", + "@bazel_tools//tools/cpp:CROSSTOOL.tpl", + "@bazel_tools//tools/cpp:vc_installation_error.bat.tpl", + "@bazel_tools//tools/cpp:wrapper/bin/call_python.bat.tpl", + "@bazel_tools//tools/cpp:wrapper/bin/pydir/msvc_tools.py.tpl", + ]) - repository_ctx.symlink(paths["@bazel_tools//tools/cpp:BUILD.static.windows"], "BUILD") + repository_ctx.symlink(paths["@bazel_tools//tools/cpp:BUILD.static.windows"], "BUILD") - vc_path = find_vc_path(repository_ctx) - missing_tools = None - if not vc_path: - repository_ctx.template( - "vc_installation_error.bat", - paths["@bazel_tools//tools/cpp:vc_installation_error.bat.tpl"], - {"%{vc_error_message}": ""}) - else: - missing_tools = _find_missing_vc_tools(repository_ctx, vc_path) - if missing_tools: - message = "\r\n".join([ - "echo. 1>&2", - "echo Visual C++ build tools seems to be installed at %s 1>&2" % vc_path, - "echo But Bazel can't find the following tools: 1>&2", - "echo %s 1>&2" % ", ".join(missing_tools), - "echo. 1>&2", - ]) - repository_ctx.template( - "vc_installation_error.bat", - paths["@bazel_tools//tools/cpp:vc_installation_error.bat.tpl"], - {"%{vc_error_message}": message}) + vc_path = find_vc_path(repository_ctx) + missing_tools = None + if not vc_path: + repository_ctx.template( + "vc_installation_error.bat", + paths["@bazel_tools//tools/cpp:vc_installation_error.bat.tpl"], + {"%{vc_error_message}": ""}, + ) + else: + missing_tools = _find_missing_vc_tools(repository_ctx, vc_path) + if missing_tools: + message = "\r\n".join([ + "echo. 1>&2", + "echo Visual C++ build tools seems to be installed at %s 1>&2" % vc_path, + "echo But Bazel can't find the following tools: 1>&2", + "echo %s 1>&2" % ", ".join(missing_tools), + "echo. 1>&2", + ]) + repository_ctx.template( + "vc_installation_error.bat", + paths["@bazel_tools//tools/cpp:vc_installation_error.bat.tpl"], + {"%{vc_error_message}": message}, + ) - if not vc_path or missing_tools: + if not vc_path or missing_tools: + repository_ctx.template( + "CROSSTOOL", + paths["@bazel_tools//tools/cpp:CROSSTOOL.tpl"], + { + "%{cpu}": "x64_windows", + "%{default_toolchain_name}": "msvc_x64", + "%{toolchain_name}": "msys_x64", + "%{msvc_env_tmp}": "", + "%{msvc_env_path}": "", + "%{msvc_env_include}": "", + "%{msvc_env_lib}": "", + "%{msvc_cl_path}": "vc_installation_error.bat", + "%{msvc_ml_path}": "vc_installation_error.bat", + "%{msvc_link_path}": "vc_installation_error.bat", + "%{msvc_lib_path}": "vc_installation_error.bat", + "%{dbg_mode_debug}": "/DEBUG", + "%{fastbuild_mode_debug}": "/DEBUG", + "%{compilation_mode_content}": "", + "%{content}": _get_escaped_windows_msys_crosstool_content(repository_ctx), + "%{msys_x64_mingw_content}": _get_escaped_windows_msys_crosstool_content(repository_ctx, use_mingw = True), + "%{opt_content}": "", + "%{dbg_content}": "", + "%{link_content}": "", + "%{cxx_builtin_include_directory}": "", + "%{coverage}": "", + }, + ) + return + + env = setup_vc_env_vars(repository_ctx, vc_path) + escaped_paths = escape_string(env["PATH"]) + escaped_include_paths = escape_string(env["INCLUDE"]) + escaped_lib_paths = escape_string(env["LIB"]) + escaped_tmp_dir = escape_string( + get_env_var(repository_ctx, "TMP", "C:\\Windows\\Temp").replace("\\", "\\\\"), + ) + msvc_cl_path = find_msvc_tool(repository_ctx, vc_path, "cl.exe").replace("\\", "/") + msvc_ml_path = find_msvc_tool(repository_ctx, vc_path, "ml64.exe").replace("\\", "/") + msvc_link_path = find_msvc_tool(repository_ctx, vc_path, "link.exe").replace("\\", "/") + msvc_lib_path = find_msvc_tool(repository_ctx, vc_path, "lib.exe").replace("\\", "/") + escaped_cxx_include_directories = [] + compilation_mode_content = "" + + if _is_use_msvc_wrapper(repository_ctx): + if _is_support_whole_archive(repository_ctx, vc_path): + support_whole_archive = "True" + else: + support_whole_archive = "False" + nvcc_tmp_dir_name = escaped_tmp_dir + "\\\\nvcc_inter_files_tmp_dir" + + # Make sure nvcc.exe is in PATH + cuda_path = _find_cuda(repository_ctx) + if cuda_path: + escaped_paths = escape_string(cuda_path.replace("\\", "\\\\") + "/bin;") + escaped_paths + escaped_compute_capabilities = _escaped_cuda_compute_capabilities(repository_ctx) + repository_ctx.template( + "wrapper/bin/pydir/msvc_tools.py", + paths["@bazel_tools//tools/cpp:wrapper/bin/pydir/msvc_tools.py.tpl"], + { + "%{lib_tool}": escape_string(msvc_lib_path), + "%{support_whole_archive}": support_whole_archive, + "%{cuda_compute_capabilities}": ", ".join( + ["\"%s\"" % c for c in escaped_compute_capabilities], + ), + "%{nvcc_tmp_dir_name}": nvcc_tmp_dir_name, + }, + ) + + # nvcc will generate some source files under %{nvcc_tmp_dir_name} + # The generated files are guranteed to have unique name, so they can share the same tmp directory + escaped_cxx_include_directories += ["cxx_builtin_include_directory: \"%s\"" % nvcc_tmp_dir_name] + msvc_wrapper = repository_ctx.path( + paths["@bazel_tools//tools/cpp:CROSSTOOL"], + ).dirname.get_child( + "wrapper", + ).get_child("bin") + for f in ["msvc_cl.bat", "msvc_link.bat", "msvc_nop.bat"]: + repository_ctx.symlink(msvc_wrapper.get_child(f), "wrapper/bin/" + f) + msvc_wrapper = msvc_wrapper.get_child("pydir") + for f in ["msvc_cl.py", "msvc_link.py"]: + repository_ctx.symlink(msvc_wrapper.get_child(f), "wrapper/bin/pydir/" + f) + python_binary = _find_python(repository_ctx) + repository_ctx.template( + "wrapper/bin/call_python.bat", + paths["@bazel_tools//tools/cpp:wrapper/bin/call_python.bat.tpl"], + {"%{python_binary}": escape_string(python_binary)}, + ) + msvc_cl_path = "wrapper/bin/msvc_cl.bat" + msvc_link_path = "wrapper/bin/msvc_link.bat" + msvc_lib_path = "wrapper/bin/msvc_link.bat" + compilation_mode_content = _get_compilation_mode_content() + + for path in escaped_include_paths.split(";"): + if path: + escaped_cxx_include_directories.append("cxx_builtin_include_directory: \"%s\"" % path) + + support_debug_fastlink = _is_support_debug_fastlink(repository_ctx, vc_path) + repository_ctx.template( "CROSSTOOL", paths["@bazel_tools//tools/cpp:CROSSTOOL.tpl"], @@ -335,111 +454,23 @@ "%{cpu}": "x64_windows", "%{default_toolchain_name}": "msvc_x64", "%{toolchain_name}": "msys_x64", - "%{msvc_env_tmp}": "", - "%{msvc_env_path}": "", - "%{msvc_env_include}": "", - "%{msvc_env_lib}": "", - "%{msvc_cl_path}": "vc_installation_error.bat", - "%{msvc_ml_path}": "vc_installation_error.bat", - "%{msvc_link_path}": "vc_installation_error.bat", - "%{msvc_lib_path}": "vc_installation_error.bat", - "%{dbg_mode_debug}": "/DEBUG", - "%{fastbuild_mode_debug}": "/DEBUG", - "%{compilation_mode_content}": "", + "%{msvc_env_tmp}": escaped_tmp_dir, + "%{msvc_env_path}": escaped_paths, + "%{msvc_env_include}": escaped_include_paths, + "%{msvc_env_lib}": escaped_lib_paths, + "%{msvc_cl_path}": msvc_cl_path, + "%{msvc_ml_path}": msvc_ml_path, + "%{msvc_link_path}": msvc_link_path, + "%{msvc_lib_path}": msvc_lib_path, + "%{dbg_mode_debug}": "/DEBUG:FULL" if support_debug_fastlink else "/DEBUG", + "%{fastbuild_mode_debug}": "/DEBUG:FASTLINK" if support_debug_fastlink else "/DEBUG", + "%{compilation_mode_content}": compilation_mode_content, "%{content}": _get_escaped_windows_msys_crosstool_content(repository_ctx), "%{msys_x64_mingw_content}": _get_escaped_windows_msys_crosstool_content(repository_ctx, use_mingw = True), "%{opt_content}": "", "%{dbg_content}": "", "%{link_content}": "", - "%{cxx_builtin_include_directory}": "", + "%{cxx_builtin_include_directory}": "\n".join(escaped_cxx_include_directories), "%{coverage}": "", - }) - return - - env = setup_vc_env_vars(repository_ctx, vc_path) - escaped_paths = escape_string(env["PATH"]) - escaped_include_paths = escape_string(env["INCLUDE"]) - escaped_lib_paths = escape_string(env["LIB"]) - escaped_tmp_dir = escape_string( - get_env_var(repository_ctx, "TMP", "C:\\Windows\\Temp").replace("\\", "\\\\")) - msvc_cl_path = find_msvc_tool(repository_ctx, vc_path, "cl.exe").replace("\\", "/") - msvc_ml_path = find_msvc_tool(repository_ctx, vc_path, "ml64.exe").replace("\\", "/") - msvc_link_path = find_msvc_tool(repository_ctx, vc_path, "link.exe").replace("\\", "/") - msvc_lib_path = find_msvc_tool(repository_ctx, vc_path, "lib.exe").replace("\\", "/") - escaped_cxx_include_directories = [] - compilation_mode_content = "" - - if _is_use_msvc_wrapper(repository_ctx): - if _is_support_whole_archive(repository_ctx, vc_path): - support_whole_archive = "True" - else: - support_whole_archive = "False" - nvcc_tmp_dir_name = escaped_tmp_dir + "\\\\nvcc_inter_files_tmp_dir" - # Make sure nvcc.exe is in PATH - cuda_path = _find_cuda(repository_ctx) - if cuda_path: - escaped_paths = escape_string(cuda_path.replace("\\", "\\\\") + "/bin;") + escaped_paths - escaped_compute_capabilities = _escaped_cuda_compute_capabilities(repository_ctx) - repository_ctx.template( - "wrapper/bin/pydir/msvc_tools.py", - paths["@bazel_tools//tools/cpp:wrapper/bin/pydir/msvc_tools.py.tpl"], - { - "%{lib_tool}": escape_string(msvc_lib_path), - "%{support_whole_archive}": support_whole_archive, - "%{cuda_compute_capabilities}": ", ".join( - ["\"%s\"" % c for c in escaped_compute_capabilities]), - "%{nvcc_tmp_dir_name}": nvcc_tmp_dir_name, - }) - # nvcc will generate some source files under %{nvcc_tmp_dir_name} - # The generated files are guranteed to have unique name, so they can share the same tmp directory - escaped_cxx_include_directories += [ "cxx_builtin_include_directory: \"%s\"" % nvcc_tmp_dir_name ] - msvc_wrapper = repository_ctx.path( - paths["@bazel_tools//tools/cpp:CROSSTOOL"]).dirname.get_child( - "wrapper").get_child("bin") - for f in ["msvc_cl.bat", "msvc_link.bat", "msvc_nop.bat"]: - repository_ctx.symlink(msvc_wrapper.get_child(f), "wrapper/bin/" + f) - msvc_wrapper = msvc_wrapper.get_child("pydir") - for f in ["msvc_cl.py", "msvc_link.py"]: - repository_ctx.symlink(msvc_wrapper.get_child(f), "wrapper/bin/pydir/" + f) - python_binary = _find_python(repository_ctx) - repository_ctx.template( - "wrapper/bin/call_python.bat", - paths["@bazel_tools//tools/cpp:wrapper/bin/call_python.bat.tpl"], - {"%{python_binary}": escape_string(python_binary)}) - msvc_cl_path = "wrapper/bin/msvc_cl.bat" - msvc_link_path = "wrapper/bin/msvc_link.bat" - msvc_lib_path = "wrapper/bin/msvc_link.bat" - compilation_mode_content = _get_compilation_mode_content() - - for path in escaped_include_paths.split(";"): - if path: - escaped_cxx_include_directories.append("cxx_builtin_include_directory: \"%s\"" % path) - - support_debug_fastlink = _is_support_debug_fastlink(repository_ctx, vc_path) - - repository_ctx.template( - "CROSSTOOL", - paths["@bazel_tools//tools/cpp:CROSSTOOL.tpl"], - { - "%{cpu}": "x64_windows", - "%{default_toolchain_name}": "msvc_x64", - "%{toolchain_name}": "msys_x64", - "%{msvc_env_tmp}": escaped_tmp_dir, - "%{msvc_env_path}": escaped_paths, - "%{msvc_env_include}": escaped_include_paths, - "%{msvc_env_lib}": escaped_lib_paths, - "%{msvc_cl_path}": msvc_cl_path, - "%{msvc_ml_path}": msvc_ml_path, - "%{msvc_link_path}": msvc_link_path, - "%{msvc_lib_path}": msvc_lib_path, - "%{dbg_mode_debug}": "/DEBUG:FULL" if support_debug_fastlink else "/DEBUG", - "%{fastbuild_mode_debug}": "/DEBUG:FASTLINK" if support_debug_fastlink else "/DEBUG", - "%{compilation_mode_content}": compilation_mode_content, - "%{content}": _get_escaped_windows_msys_crosstool_content(repository_ctx), - "%{msys_x64_mingw_content}": _get_escaped_windows_msys_crosstool_content(repository_ctx, use_mingw = True), - "%{opt_content}": "", - "%{dbg_content}": "", - "%{link_content}": "", - "%{cxx_builtin_include_directory}": "\n".join(escaped_cxx_include_directories), - "%{coverage}": "", - }) + }, + )
diff --git a/tools/jdk/alias_rules.bzl b/tools/jdk/alias_rules.bzl index 90847e9..134c1e8 100644 --- a/tools/jdk/alias_rules.bzl +++ b/tools/jdk/alias_rules.bzl
@@ -13,10 +13,10 @@ # limitations under the License. def _java_host_runtime_alias_impl(ctx): - vars = ctx.attr._host_java_runtime[platform_common.TemplateVariableInfo] - runtime_info = ctx.attr._host_java_runtime[java_common.JavaRuntimeInfo] - runtime_toolchain = ctx.attr._host_java_runtime[platform_common.ToolchainInfo] - return struct(providers=[vars, runtime_info, runtime_toolchain]) + vars = ctx.attr._host_java_runtime[platform_common.TemplateVariableInfo] + runtime_info = ctx.attr._host_java_runtime[java_common.JavaRuntimeInfo] + runtime_toolchain = ctx.attr._host_java_runtime[platform_common.ToolchainInfo] + return struct(providers = [vars, runtime_info, runtime_toolchain]) java_host_runtime_alias = rule( attrs = {
diff --git a/tools/jdk/default_java_toolchain.bzl b/tools/jdk/default_java_toolchain.bzl index ca53e16..f4dc035 100644 --- a/tools/jdk/default_java_toolchain.bzl +++ b/tools/jdk/default_java_toolchain.bzl
@@ -76,12 +76,12 @@ } def default_java_toolchain(name, **kwargs): - """Defines a java_toolchain with appropriate defaults for Bazel.""" + """Defines a java_toolchain with appropriate defaults for Bazel.""" - toolchain_args = dict(DEFAULT_TOOLCHAIN_CONFIGURATION) - toolchain_args.update(kwargs) + toolchain_args = dict(DEFAULT_TOOLCHAIN_CONFIGURATION) + toolchain_args.update(kwargs) - native.java_toolchain( - name = name, - **toolchain_args - ) + native.java_toolchain( + name = name, + **toolchain_args + )
diff --git a/tools/osx/alias_rules.bzl b/tools/osx/alias_rules.bzl index 43acbb1..c1a5d27 100644 --- a/tools/osx/alias_rules.bzl +++ b/tools/osx/alias_rules.bzl
@@ -13,8 +13,9 @@ # limitations under the License. """Rule that stubs out the xcode_config_alias rule if it is not supported.""" + def xcode_config_alias(name): - if hasattr(native, "xcode_config_alias"): - native.xcode_config_alias(name=name) - else: - native.filegroup(name=name) + if hasattr(native, "xcode_config_alias"): + native.xcode_config_alias(name = name) + else: + native.filegroup(name = name)
diff --git a/tools/osx/xcode_configure.bzl b/tools/osx/xcode_configure.bzl index 960754b..44a273b 100644 --- a/tools/osx/xcode_configure.bzl +++ b/tools/osx/xcode_configure.bzl
@@ -17,221 +17,239 @@ installed on the local host. """ - def _search_string(fullstring, prefix, suffix): - """Returns the substring between two given substrings of a larger string. + """Returns the substring between two given substrings of a larger string. - Args: - fullstring: The larger string to search. - prefix: The substring that should occur directly before the returned string. - suffix: The substring that should occur direclty after the returned string. - Returns: - A string occurring in fullstring exactly prefixed by prefix, and exactly - terminated by suffix. For example, ("hello goodbye", "lo ", " bye") will - return "good". If there is no such string, returns the empty string. - """ + Args: + fullstring: The larger string to search. + prefix: The substring that should occur directly before the returned string. + suffix: The substring that should occur direclty after the returned string. + Returns: + A string occurring in fullstring exactly prefixed by prefix, and exactly + terminated by suffix. For example, ("hello goodbye", "lo ", " bye") will + return "good". If there is no such string, returns the empty string. + """ - prefix_index = fullstring.find(prefix) - if (prefix_index < 0): - return "" - result_start_index = prefix_index + len(prefix) - suffix_index = fullstring.find(suffix, result_start_index) - if (suffix_index < 0): - return "" - return fullstring[result_start_index:suffix_index] - + prefix_index = fullstring.find(prefix) + if (prefix_index < 0): + return "" + result_start_index = prefix_index + len(prefix) + suffix_index = fullstring.find(suffix, result_start_index) + if (suffix_index < 0): + return "" + return fullstring[result_start_index:suffix_index] def _search_sdk_output(output, sdkname): - """Returns the sdk version given xcodebuild stdout and an sdkname.""" - return _search_string(output, "(%s" % sdkname, ")") - + """Returns the sdk version given xcodebuild stdout and an sdkname.""" + return _search_string(output, "(%s" % sdkname, ")") def _xcode_version_output(repository_ctx, name, version, aliases, developer_dir): - """Returns a string containing an xcode_version build target.""" - build_contents = "" - decorated_aliases = [] - error_msg = "" - for alias in aliases: - decorated_aliases.append("'%s'" % alias) - xcodebuild_result = repository_ctx.execute(["xcrun", "xcodebuild", "-version", "-sdk"], 30, - {"DEVELOPER_DIR": developer_dir}) - if (xcodebuild_result.return_code != 0): - error_msg = ( - "Invoking xcodebuild failed, developer dir: {devdir} ," + - "return code {code}, stderr: {err}, stdout: {out}").format( - devdir=developer_dir, - code=xcodebuild_result.return_code, - err=xcodebuild_result.stderr, - out=xcodebuild_result.stdout) - ios_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "iphoneos") - tvos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "appletvos") - macos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "macosx") - watchos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "watchos") - build_contents += "xcode_version(\n name = '%s'," % name - build_contents += "\n version = '%s'," % version - if aliases: - build_contents += "\n aliases = [%s]," % " ,".join(decorated_aliases) - if ios_sdk_version: - build_contents += "\n default_ios_sdk_version = '%s'," % ios_sdk_version - if tvos_sdk_version: - build_contents += "\n default_tvos_sdk_version = '%s'," % tvos_sdk_version - if macos_sdk_version: - build_contents += "\n default_macos_sdk_version = '%s'," % macos_sdk_version - if watchos_sdk_version: - build_contents += "\n default_watchos_sdk_version = '%s'," % watchos_sdk_version - build_contents += "\n)\n" - if error_msg: - build_contents += "\n# Error: " + error_msg.replace("\n", " ") + "\n" - print(error_msg) - return build_contents - + """Returns a string containing an xcode_version build target.""" + build_contents = "" + decorated_aliases = [] + error_msg = "" + for alias in aliases: + decorated_aliases.append("'%s'" % alias) + xcodebuild_result = repository_ctx.execute( + ["xcrun", "xcodebuild", "-version", "-sdk"], + 30, + {"DEVELOPER_DIR": developer_dir}, + ) + if (xcodebuild_result.return_code != 0): + error_msg = ( + "Invoking xcodebuild failed, developer dir: {devdir} ," + + "return code {code}, stderr: {err}, stdout: {out}" + ).format( + devdir = developer_dir, + code = xcodebuild_result.return_code, + err = xcodebuild_result.stderr, + out = xcodebuild_result.stdout, + ) + ios_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "iphoneos") + tvos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "appletvos") + macos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "macosx") + watchos_sdk_version = _search_sdk_output(xcodebuild_result.stdout, "watchos") + build_contents += "xcode_version(\n name = '%s'," % name + build_contents += "\n version = '%s'," % version + if aliases: + build_contents += "\n aliases = [%s]," % " ,".join(decorated_aliases) + if ios_sdk_version: + build_contents += "\n default_ios_sdk_version = '%s'," % ios_sdk_version + if tvos_sdk_version: + build_contents += "\n default_tvos_sdk_version = '%s'," % tvos_sdk_version + if macos_sdk_version: + build_contents += "\n default_macos_sdk_version = '%s'," % macos_sdk_version + if watchos_sdk_version: + build_contents += "\n default_watchos_sdk_version = '%s'," % watchos_sdk_version + build_contents += "\n)\n" + if error_msg: + build_contents += "\n# Error: " + error_msg.replace("\n", " ") + "\n" + print(error_msg) + return build_contents VERSION_CONFIG_STUB = "xcode_config(name = 'host_xcodes')" - def run_xcode_locator(repository_ctx, xcode_locator_src_label): - """Generates xcode-locator from source and runs it. + """Generates xcode-locator from source and runs it. - Builds xcode-locator in the current repository directory. - Returns the standard output of running xcode-locator with -v, which will - return information about locally installed Xcode toolchains and the versions - they are associated with. + Builds xcode-locator in the current repository directory. + Returns the standard output of running xcode-locator with -v, which will + return information about locally installed Xcode toolchains and the versions + they are associated with. - This should only be invoked on a darwin OS, as xcode-locator cannot be built - otherwise. + This should only be invoked on a darwin OS, as xcode-locator cannot be built + otherwise. - Args: - repository_ctx: The repository context. - xcode_locator_src_label: The label of the source file for xcode-locator. - Returns: - A 2-tuple containing: - output: A list representing installed xcode toolchain information. Each - element of the list is a struct containing information for one installed - toolchain. This is an empty list if there was an error building or - running xcode-locator. - err: An error string describing the error that occurred when attempting - to build and run xcode-locator, or None if the run was successful. - """ - xcodeloc_src_path = str(repository_ctx.path(xcode_locator_src_label)) - xcrun_result = repository_ctx.execute(["env", "-i", "xcrun", "clang", "-fobjc-arc", "-framework", - "CoreServices", "-framework", "Foundation", "-o", - "xcode-locator-bin", xcodeloc_src_path], 30) + Args: + repository_ctx: The repository context. + xcode_locator_src_label: The label of the source file for xcode-locator. + Returns: + A 2-tuple containing: + output: A list representing installed xcode toolchain information. Each + element of the list is a struct containing information for one installed + toolchain. This is an empty list if there was an error building or + running xcode-locator. + err: An error string describing the error that occurred when attempting + to build and run xcode-locator, or None if the run was successful. + """ + xcodeloc_src_path = str(repository_ctx.path(xcode_locator_src_label)) + xcrun_result = repository_ctx.execute([ + "env", + "-i", + "xcrun", + "clang", + "-fobjc-arc", + "-framework", + "CoreServices", + "-framework", + "Foundation", + "-o", + "xcode-locator-bin", + xcodeloc_src_path, + ], 30) - if (xcrun_result.return_code != 0): - suggestion = "" - if "Agreeing to the Xcode/iOS license" in xcrun_result.stderr: - suggestion = ("(You may need to sign the xcode license." + - " Try running 'sudo xcodebuild -license')") - error_msg = ( - "Generating xcode-locator-bin failed. {suggestion} " + - "return code {code}, stderr: {err}, stdout: {out}").format( - suggestion=suggestion, - code=xcrun_result.return_code, - err=xcrun_result.stderr, - out=xcrun_result.stdout) - return ([], error_msg.replace("\n", " ")) + if (xcrun_result.return_code != 0): + suggestion = "" + if "Agreeing to the Xcode/iOS license" in xcrun_result.stderr: + suggestion = ("(You may need to sign the xcode license." + + " Try running 'sudo xcodebuild -license')") + error_msg = ( + "Generating xcode-locator-bin failed. {suggestion} " + + "return code {code}, stderr: {err}, stdout: {out}" + ).format( + suggestion = suggestion, + code = xcrun_result.return_code, + err = xcrun_result.stderr, + out = xcrun_result.stdout, + ) + return ([], error_msg.replace("\n", " ")) - xcode_locator_result = repository_ctx.execute(["./xcode-locator-bin", "-v"], 30) - if (xcode_locator_result.return_code != 0): - error_msg = ( - "Invoking xcode-locator failed, " + - "return code {code}, stderr: {err}, stdout: {out}").format( - code=xcode_locator_result.return_code, - err=xcode_locator_result.stderr, - out=xcode_locator_result.stdout) - return ([], error_msg.replace("\n", " ")) - xcode_toolchains = [] - # xcode_dump is comprised of newlines with different installed xcode versions, - # each line of the form <version>:<comma_separated_aliases>:<developer_dir>. - xcode_dump = xcode_locator_result.stdout - for xcodeversion in xcode_dump.split("\n"): - if ":" in xcodeversion: - infosplit = xcodeversion.split(":") - toolchain = struct( - version = infosplit[0], - aliases = infosplit[1].split(","), - developer_dir = infosplit[2] - ) - xcode_toolchains.append(toolchain) - return (xcode_toolchains, None) + xcode_locator_result = repository_ctx.execute(["./xcode-locator-bin", "-v"], 30) + if (xcode_locator_result.return_code != 0): + error_msg = ( + "Invoking xcode-locator failed, " + + "return code {code}, stderr: {err}, stdout: {out}" + ).format( + code = xcode_locator_result.return_code, + err = xcode_locator_result.stderr, + out = xcode_locator_result.stdout, + ) + return ([], error_msg.replace("\n", " ")) + xcode_toolchains = [] + # xcode_dump is comprised of newlines with different installed xcode versions, + # each line of the form <version>:<comma_separated_aliases>:<developer_dir>. + xcode_dump = xcode_locator_result.stdout + for xcodeversion in xcode_dump.split("\n"): + if ":" in xcodeversion: + infosplit = xcodeversion.split(":") + toolchain = struct( + version = infosplit[0], + aliases = infosplit[1].split(","), + developer_dir = infosplit[2], + ) + xcode_toolchains.append(toolchain) + return (xcode_toolchains, None) def _darwin_build_file(repository_ctx): - """Evaluates local system state to create xcode_config and xcode_version targets.""" - xcodebuild_result = repository_ctx.execute(["env", "-i", "xcrun", "xcodebuild", "-version"], 30) - # "xcodebuild -version" failing may be indicative of no versions of xcode - # installed, which is an acceptable machine configuration to have for using - # bazel. Thus no print warning should be emitted here. - if (xcodebuild_result.return_code != 0): - error_msg = ( - "Running xcodebuild -version failed, " + - "return code {code}, stderr: {err}, stdout: {out}").format( - code=xcodebuild_result.return_code, - err=xcodebuild_result.stderr, - out=xcodebuild_result.stdout) - return VERSION_CONFIG_STUB + "\n# Error: " + error_msg.replace("\n", " ") + "\n" + """Evaluates local system state to create xcode_config and xcode_version targets.""" + xcodebuild_result = repository_ctx.execute(["env", "-i", "xcrun", "xcodebuild", "-version"], 30) - (toolchains, xcodeloc_err) = run_xcode_locator(repository_ctx, - Label(repository_ctx.attr.xcode_locator)) + # "xcodebuild -version" failing may be indicative of no versions of xcode + # installed, which is an acceptable machine configuration to have for using + # bazel. Thus no print warning should be emitted here. + if (xcodebuild_result.return_code != 0): + error_msg = ( + "Running xcodebuild -version failed, " + + "return code {code}, stderr: {err}, stdout: {out}" + ).format( + code = xcodebuild_result.return_code, + err = xcodebuild_result.stderr, + out = xcodebuild_result.stdout, + ) + return VERSION_CONFIG_STUB + "\n# Error: " + error_msg.replace("\n", " ") + "\n" - if xcodeloc_err: - return VERSION_CONFIG_STUB + "\n# Error: " + xcodeloc_err + "\n" + (toolchains, xcodeloc_err) = run_xcode_locator( + repository_ctx, + Label(repository_ctx.attr.xcode_locator), + ) - default_xcode_version = _search_string(xcodebuild_result.stdout, "Xcode ", "\n") - default_xcode_target = "" - target_names = [] - buildcontents = "" + if xcodeloc_err: + return VERSION_CONFIG_STUB + "\n# Error: " + xcodeloc_err + "\n" - for toolchain in toolchains: - version = toolchain.version - aliases = toolchain.aliases - developer_dir = toolchain.developer_dir - target_name = "version%s" % version.replace(".", "_") - buildcontents += _xcode_version_output(repository_ctx, target_name, version, aliases, developer_dir) - target_names.append("':%s'" % target_name) - if (version == default_xcode_version or default_xcode_version in aliases): - default_xcode_target = target_name - buildcontents += "xcode_config(name = 'host_xcodes'," - if target_names: - buildcontents += "\n versions = [%s]," % ", ".join(target_names) - if default_xcode_target: - buildcontents += "\n default = ':%s'," % default_xcode_target - buildcontents += "\n)\n" - return buildcontents + default_xcode_version = _search_string(xcodebuild_result.stdout, "Xcode ", "\n") + default_xcode_target = "" + target_names = [] + buildcontents = "" + for toolchain in toolchains: + version = toolchain.version + aliases = toolchain.aliases + developer_dir = toolchain.developer_dir + target_name = "version%s" % version.replace(".", "_") + buildcontents += _xcode_version_output(repository_ctx, target_name, version, aliases, developer_dir) + target_names.append("':%s'" % target_name) + if (version == default_xcode_version or default_xcode_version in aliases): + default_xcode_target = target_name + buildcontents += "xcode_config(name = 'host_xcodes'," + if target_names: + buildcontents += "\n versions = [%s]," % ", ".join(target_names) + if default_xcode_target: + buildcontents += "\n default = ':%s'," % default_xcode_target + buildcontents += "\n)\n" + return buildcontents def _impl(repository_ctx): - """Implementation for the local_config_xcode repository rule. + """Implementation for the local_config_xcode repository rule. - Generates a BUILD file containing a root xcode_config target named 'host_xcodes', - which points to an xcode_version target for each version of xcode installed on - the local host machine. If no versions of xcode are present on the machine - (for instance, if this is a non-darwin OS), creates a stub target. + Generates a BUILD file containing a root xcode_config target named 'host_xcodes', + which points to an xcode_version target for each version of xcode installed on + the local host machine. If no versions of xcode are present on the machine + (for instance, if this is a non-darwin OS), creates a stub target. - Args: - repository_ctx: The repository context. - """ + Args: + repository_ctx: The repository context. + """ - os_name = repository_ctx.os.name.lower() - build_contents = "package(default_visibility = ['//visibility:public'])\n\n" - if (os_name.startswith("mac os")): - build_contents += _darwin_build_file(repository_ctx) - else: - build_contents += VERSION_CONFIG_STUB - repository_ctx.file("BUILD", build_contents) + os_name = repository_ctx.os.name.lower() + build_contents = "package(default_visibility = ['//visibility:public'])\n\n" + if (os_name.startswith("mac os")): + build_contents += _darwin_build_file(repository_ctx) + else: + build_contents += VERSION_CONFIG_STUB + repository_ctx.file("BUILD", build_contents) xcode_autoconf = repository_rule( - implementation=_impl, - local=True, - attrs={ + implementation = _impl, + local = True, + attrs = { "xcode_locator": attr.string(), - } + }, ) - def xcode_configure(xcode_locator_label): - """Generates a repository containing host xcode version information.""" - xcode_autoconf( - name="local_config_xcode", - xcode_locator=xcode_locator_label - ) + """Generates a repository containing host xcode version information.""" + xcode_autoconf( + name = "local_config_xcode", + xcode_locator = xcode_locator_label, + )
diff --git a/tools/osx/xcode_version_flag.bzl b/tools/osx/xcode_version_flag.bzl index f892440..7f48da4 100644 --- a/tools/osx/xcode_version_flag.bzl +++ b/tools/osx/xcode_version_flag.bzl
@@ -15,106 +15,129 @@ """Rules that allows select() to differentiate between Apple OS versions.""" def _strip_version(version): - """Strip trailing characters that aren't digits or '.' from version names. + """Strip trailing characters that aren't digits or '.' from version names. - Some OS versions look like "9.0gm", which is not useful for select() - statements. Thus, we strip the trailing "gm" part. + Some OS versions look like "9.0gm", which is not useful for select() + statements. Thus, we strip the trailing "gm" part. - Args: - version: the version string + Args: + version: the version string - Returns: - The version with trailing letters stripped. - """ - result = "" - for ch in str(version): - if not ch.isdigit() and ch != ".": - break + Returns: + The version with trailing letters stripped. + """ + result = "" + for ch in str(version): + if not ch.isdigit() and ch != ".": + break - result += ch + result += ch - return result - + return result def _xcode_version_flag_impl(ctx): - """A rule that allows select() to differentiate between Xcode versions.""" - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - return struct(providers = [ - config_common.FeatureFlagInfo(value = _strip_version( - xcode_config.xcode_version()))]) - + """A rule that allows select() to differentiate between Xcode versions.""" + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + return struct(providers = [ + config_common.FeatureFlagInfo(value = _strip_version( + xcode_config.xcode_version(), + )), + ]) def _ios_sdk_version_flag_impl(ctx): - """A rule that allows select() to select based on the iOS SDK version.""" - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + """A rule that allows select() to select based on the iOS SDK version.""" + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - return struct(providers = [ - config_common.FeatureFlagInfo(value = _strip_version( - xcode_config.sdk_version_for_platform( - apple_common.platform.ios_device)))]) - + return struct(providers = [ + config_common.FeatureFlagInfo(value = _strip_version( + xcode_config.sdk_version_for_platform( + apple_common.platform.ios_device, + ), + )), + ]) def _tvos_sdk_version_flag_impl(ctx): - """A rule that allows select() to select based on the tvOS SDK version.""" - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + """A rule that allows select() to select based on the tvOS SDK version.""" + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - return struct(providers = [ - config_common.FeatureFlagInfo(value = _strip_version( - xcode_config.sdk_version_for_platform( - apple_common.platform.tvos_device)))]) - + return struct(providers = [ + config_common.FeatureFlagInfo(value = _strip_version( + xcode_config.sdk_version_for_platform( + apple_common.platform.tvos_device, + ), + )), + ]) def _watchos_sdk_version_flag_impl(ctx): - """A rule that allows select() to select based on the watchOS SDK version.""" - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + """A rule that allows select() to select based on the watchOS SDK version.""" + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - return struct(providers = [ - config_common.FeatureFlagInfo(value = _strip_version( - xcode_config.sdk_version_for_platform( - apple_common.platform.watchos_device)))]) - + return struct(providers = [ + config_common.FeatureFlagInfo(value = _strip_version( + xcode_config.sdk_version_for_platform( + apple_common.platform.watchos_device, + ), + )), + ]) def _macos_sdk_version_flag_impl(ctx): - """A rule that allows select() to select based on the macOS SDK version.""" - xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] + """A rule that allows select() to select based on the macOS SDK version.""" + xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig] - return struct(providers = [ - config_common.FeatureFlagInfo(value = _strip_version( - xcode_config.sdk_version_for_platform( - apple_common.platform.macos)))]) - + return struct(providers = [ + config_common.FeatureFlagInfo(value = _strip_version( + xcode_config.sdk_version_for_platform( + apple_common.platform.macos, + ), + )), + ]) xcode_version_flag = rule( implementation = _xcode_version_flag_impl, attrs = { - "_xcode_config": attr.label(default=configuration_field( - fragment="apple", name="xcode_config_label")), - }) + "_xcode_config": attr.label(default = configuration_field( + fragment = "apple", + name = "xcode_config_label", + )), + }, +) ios_sdk_version_flag = rule( implementation = _ios_sdk_version_flag_impl, attrs = { - "_xcode_config": attr.label(default=configuration_field( - fragment="apple", name="xcode_config_label")), - }) + "_xcode_config": attr.label(default = configuration_field( + fragment = "apple", + name = "xcode_config_label", + )), + }, +) tvos_sdk_version_flag = rule( implementation = _tvos_sdk_version_flag_impl, attrs = { - "_xcode_config": attr.label(default=configuration_field( - fragment="apple", name="xcode_config_label")), - }) + "_xcode_config": attr.label(default = configuration_field( + fragment = "apple", + name = "xcode_config_label", + )), + }, +) watchos_sdk_version_flag = rule( implementation = _watchos_sdk_version_flag_impl, attrs = { - "_xcode_config": attr.label(default=configuration_field( - fragment="apple", name="xcode_config_label")), - }) + "_xcode_config": attr.label(default = configuration_field( + fragment = "apple", + name = "xcode_config_label", + )), + }, +) macos_sdk_version_flag = rule( implementation = _macos_sdk_version_flag_impl, attrs = { - "_xcode_config": attr.label(default=configuration_field( - fragment="apple", name="xcode_config_label")), - }) + "_xcode_config": attr.label(default = configuration_field( + fragment = "apple", + name = "xcode_config_label", + )), + }, +)
diff --git a/tools/sh/sh_configure.bzl b/tools/sh/sh_configure.bzl index f7c8899..5ca9e05 100644 --- a/tools/sh/sh_configure.bzl +++ b/tools/sh/sh_configure.bzl
@@ -14,42 +14,42 @@ """Configure the shell toolchain on the local machine.""" def _is_windows(repository_ctx): - """Returns true if the host OS is Windows.""" - return repository_ctx.os.name.startswith("windows") + """Returns true if the host OS is Windows.""" + return repository_ctx.os.name.startswith("windows") def _sh_config_impl(repository_ctx): - """sh_config rule implementation. + """sh_config rule implementation. - Detects the path of the shell interpreter on the local machine and - stores it in a sh_toolchain rule. + Detects the path of the shell interpreter on the local machine and + stores it in a sh_toolchain rule. - Args: - repository_ctx: the repository rule context object - """ - sh_path = repository_ctx.os.environ.get("BAZEL_SH") - if not sh_path: - if _is_windows(repository_ctx): - sh_path = repository_ctx.which("bash.exe") - if sh_path: - # When the Windows Subsystem for Linux is installed there's a - # bash.exe under %WINDIR%\system32\bash.exe that launches Ubuntu - # Bash which cannot run native Windows programs so it's not what - # we want. - windir = repository_ctx.os.environ.get("WINDIR") - if windir and sh_path.startswith(windir): - sh_path = None - else: - sh_path = repository_ctx.which("bash") - if not sh_path: - sh_path = repository_ctx.which("sh") + Args: + repository_ctx: the repository rule context object + """ + sh_path = repository_ctx.os.environ.get("BAZEL_SH") + if not sh_path: + if _is_windows(repository_ctx): + sh_path = repository_ctx.which("bash.exe") + if sh_path: + # When the Windows Subsystem for Linux is installed there's a + # bash.exe under %WINDIR%\system32\bash.exe that launches Ubuntu + # Bash which cannot run native Windows programs so it's not what + # we want. + windir = repository_ctx.os.environ.get("WINDIR") + if windir and sh_path.startswith(windir): + sh_path = None + else: + sh_path = repository_ctx.which("bash") + if not sh_path: + sh_path = repository_ctx.which("sh") - if not sh_path: - sh_path = "" + if not sh_path: + sh_path = "" - if sh_path and _is_windows(repository_ctx): - sh_path = sh_path.replace("\\", "/") + if sh_path and _is_windows(repository_ctx): + sh_path = sh_path.replace("\\", "/") - repository_ctx.file("BUILD", """ + repository_ctx.file("BUILD", """ load("@bazel_tools//tools/sh:sh_toolchain.bzl", "sh_toolchain") sh_toolchain( @@ -75,6 +75,6 @@ ) def sh_configure(): - """Detect the local shell interpreter and register its toolchain.""" - sh_config(name = "local_config_sh") - native.register_toolchains("@local_config_sh//:local_sh_toolchain") + """Detect the local shell interpreter and register its toolchain.""" + sh_config(name = "local_config_sh") + native.register_toolchains("@local_config_sh//:local_sh_toolchain")
diff --git a/tools/sh/sh_toolchain.bzl b/tools/sh/sh_toolchain.bzl index ddd7de7..2a33704 100644 --- a/tools/sh/sh_toolchain.bzl +++ b/tools/sh/sh_toolchain.bzl
@@ -14,8 +14,8 @@ """Define a toolchain rule for the shell.""" def _sh_toolchain_impl(ctx): - """sh_toolchain rule implementation.""" - return [platform_common.ToolchainInfo(path = ctx.attr.path)] + """sh_toolchain rule implementation.""" + return [platform_common.ToolchainInfo(path = ctx.attr.path)] sh_toolchain = rule( attrs = {