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#!/bin/bash
#
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# An end-to-end test that Bazel produces runfiles trees as expected.
# --- begin runfiles.bash initialization ---
# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
set -euo pipefail
if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
if [[ -f "$0.runfiles_manifest" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
elif [[ -f "$0.runfiles/MANIFEST" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
export RUNFILES_DIR="$0.runfiles"
fi
fi
if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
else
echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
exit 1
fi
# --- end runfiles.bash initialization ---
source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
source "$(rlocation "io_bazel/src/test/shell/integration/runfiles_test_utils.sh")" \
|| { echo "runfiles_test_utils.sh not found!" >&2; exit 1; }
case "$(uname -s | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
declare -r is_windows=true
;;
*)
declare -r is_windows=false
;;
esac
# We disable Python toolchains in EXTRA_BUILD_FLAGS because it throws off the
# counts and manifest checks in test_foo_runfiles.
# TODO(#8169): Update this test and remove the toolchain opt-out.
if "$is_windows"; then
export MSYS_NO_PATHCONV=1
export MSYS2_ARG_CONV_EXCL="*"
export EXT=".exe"
export EXTRA_BUILD_FLAGS="--incompatible_use_python_toolchains=false \
--enable_runfiles --build_python_zip=0"
else
export EXT=""
export EXTRA_BUILD_FLAGS="--incompatible_use_python_toolchains=false"
fi
#### SETUP #############################################################
set -e
function create_pkg() {
local -r pkg=$1
mkdir -p $pkg
cd $pkg
mkdir -p a/b c/d e/f/g x/y
touch py.py a/b/no_module.py c/d/one_module.py c/__init__.py e/f/g/ignored.txt x/y/z.sh
chmod +x x/y/z.sh
cd ..
touch __init__.py
}
# This is basically a cross-platform version of `find -printf '%n %y %Y'`.
# i.e. recursively print paths, their raw file type, and for symbolic links,
# the type of file the link points to.
# Macs don't support `find -printf`, and stat, readlink etc all have different
# args and format specifiers. Basic bash works fine, though.
function recursive_path_info() {
for path in $(find "$1" | sort); do
if [[ -L "$path" ]]; then
actual_type=symlink
else
actual_type=regular
fi
if [[ -f "$path" ]]; then
effective_type=file
elif [[ -d "$path" ]]; then
effective_type="$actual_type dir"
else
# The various special file types shouldn't occur in practice, so just
# call them unknown
effective_type=unknown
fi
echo "$path $effective_type"
done
}
#### TESTS #############################################################
function test_hidden() {
local -r pkg=$FUNCNAME
mkdir -p "$pkg/e/f/g"
touch "$pkg/e/f/g/hidden.txt"
cat > "$pkg/defs.bzl" << EOF
def _obscured_impl(ctx):
executable = ctx.actions.declare_file(ctx.label.name)
ctx.actions.write(executable, "# nop")
return [DefaultInfo(
executable = executable,
runfiles = ctx.runfiles(files = ctx.files.data),
)]
obscured = rule(
implementation = _obscured_impl,
attrs = {"data": attr.label_list(allow_files = True)},
# Must be executable to trigger the obscured runfile check
executable = True,
)
EOF
cat > $pkg/BUILD << EOF
load(":defs.bzl", "obscured")
obscured(name="bin", data=["e/f", "e/f/g/hidden.txt"])
genrule(name = "hidden",
outs = [ "e/f/g/hidden.txt" ],
cmd = "touch \$@")
EOF
bazel build $pkg:bin $EXTRA_BUILD_FLAGS >&$TEST_log 2>&1 || fail "build failed"
# we get a warning that hidden.txt is inaccessible
expect_log_once "${pkg}/e/f/g/hidden.txt obscured by ${pkg}/e/f "
}
function test_foo_runfiles() {
local -r pkg=$FUNCNAME
create_pkg $pkg
cat > BUILD << EOF
py_library(name = "root",
srcs = ["__init__.py"],
visibility = ["//visibility:public"])
EOF
cat > $pkg/BUILD << EOF
sh_binary(name = "foo",
srcs = [ "x/y/z.sh" ],
data = [ ":py",
"e/f" ])
py_binary(name = "py",
srcs = [ "py.py",
"a/b/no_module.py",
"c/d/one_module.py",
"c/__init__.py",
],
data = ["e/f/g/ignored.txt"],
deps = ["//:root"])
EOF
bazel build $pkg:foo $EXTRA_BUILD_FLAGS >&$TEST_log || fail "build failed"
workspace_root=$PWD
cd ${PRODUCT_NAME}-bin/$pkg/foo${EXT}.runfiles
# workaround until we use assert/fail macros in the tests below
touch $TEST_TMPDIR/__fail
# output manifest exists and is non-empty
test -f MANIFEST
test -s MANIFEST
cd ${WORKSPACE_NAME}
cd $pkg
# these are real empty files
test \! -s a/__init__.py
test \! -s a/b/__init__.py
test \! -s c/d/__init__.py
test \! -s __init__.py
cd ..
# These are basically tuples of (path filetype)
expected="
. regular dir
./__init__.py file
./test_foo_runfiles regular dir
./test_foo_runfiles/__init__.py file
./test_foo_runfiles/a regular dir
./test_foo_runfiles/a/__init__.py file
./test_foo_runfiles/a/b regular dir
./test_foo_runfiles/a/b/__init__.py file
./test_foo_runfiles/a/b/no_module.py file
./test_foo_runfiles/c regular dir
./test_foo_runfiles/c/__init__.py file
./test_foo_runfiles/c/d regular dir
./test_foo_runfiles/c/d/__init__.py file
./test_foo_runfiles/c/d/one_module.py file
./test_foo_runfiles/e regular dir
./test_foo_runfiles/e/f symlink dir
./test_foo_runfiles/foo file
./test_foo_runfiles/py file
./test_foo_runfiles/py.py file
./test_foo_runfiles/x regular dir
./test_foo_runfiles/x/y regular dir
./test_foo_runfiles/x/y/z.sh file
"
expected="$expected$(get_python_runtime_runfiles)"
# For shell binary and python binary, we build both `bin` and `bin.exe`,
# but on Linux we only build `bin`.
if "$is_windows"; then
expected="${expected}
./test_foo_runfiles/py.exe file
./test_foo_runfiles/foo.exe file
"
fi
# Sort and delete empty lines. This makes it easier to append to the
# expected string and not have to worry about stray newlines from shell
# commands and quoting.
expected=$(sort <<<"$expected" | sed '/^$/d')
actual=$(recursive_path_info .)
assert_equals "$expected" "$actual"
# The manifest only records files and symlinks, not real directories
expected="$expected$(get_repo_mapping_manifest_file)"
expected_manifest_size=$(echo "$expected" | grep -v ' regular dir' | wc -l)
actual_manifest_size=$(wc -l < ../MANIFEST)
assert_equals $expected_manifest_size $actual_manifest_size
# that accounts for everything
cd ..
for i in $(find ${WORKSPACE_NAME} \! -type d); do
target="$(readlink "$i" || true)"
if [[ -z "$target" ]]; then
echo "$i " >> ${TEST_TMPDIR}/MANIFEST2
else
if "$is_windows"; then
echo "$i $(cygpath -m $target)" >> ${TEST_TMPDIR}/MANIFEST2
else
echo "$i $target" >> ${TEST_TMPDIR}/MANIFEST2
fi
fi
done
# Add the repo mapping manifest entry for Bazel.
if [[ "$PRODUCT_NAME" == "bazel" ]]; then
repo_mapping="_repo_mapping"
repo_mapping_target="$(readlink "$repo_mapping")"
if "$is_windows"; then
repo_mapping_target="$(cygpath -m $repo_mapping_target)"
fi
echo "$repo_mapping $repo_mapping_target" >> ${TEST_TMPDIR}/MANIFEST2
fi
sort MANIFEST > ${TEST_TMPDIR}/MANIFEST_sorted
sort ${TEST_TMPDIR}/MANIFEST2 > ${TEST_TMPDIR}/MANIFEST2_sorted
diff -u ${TEST_TMPDIR}/MANIFEST_sorted ${TEST_TMPDIR}/MANIFEST2_sorted
# Rebuild the same target with a new dependency.
cd "$workspace_root"
cat > $pkg/BUILD << EOF
sh_binary(name = "foo",
srcs = [ "x/y/z.sh" ],
data = [ "e/f" ])
EOF
bazel build $pkg:foo $EXTRA_BUILD_FLAGS >&$TEST_log || fail "build failed"
cd ${PRODUCT_NAME}-bin/$pkg/foo${EXT}.runfiles
# workaround until we use assert/fail macros in the tests below
touch $TEST_TMPDIR/__fail
# output manifest exists and is non-empty
test -f MANIFEST
test -s MANIFEST
cd ${WORKSPACE_NAME}
# these are real directories
test \! -L $pkg
test -d $pkg
# these directory should not exist anymore
test \! -e a
test \! -e c
cd $pkg
test \! -L e
test -d e
test \! -L x
test -d x
test \! -L x/y
test -d x/y
# these are symlinks to the source tree
test -L foo
test -L x/y/z.sh
test -L e/f
test -d e/f
# that accounts for everything
cd ../..
# For shell binary, we build both `bin` and `bin.exe`, but on Linux we only build `bin`
# That's why we have one more symlink on Windows.
if "$is_windows"; then
assert_equals 4 $(find ${WORKSPACE_NAME} -type l | wc -l)
assert_equals 0 $(find ${WORKSPACE_NAME} -type f | wc -l)
assert_equals 5 $(find ${WORKSPACE_NAME} -type d | wc -l)
assert_equals 9 $(find ${WORKSPACE_NAME} | wc -l)
if [[ "$PRODUCT_NAME" == "bazel" ]]; then
assert_equals 5 $(wc -l < MANIFEST)
else
assert_equals 4 $(wc -l < MANIFEST)
fi
else
assert_equals 3 $(find ${WORKSPACE_NAME} -type l | wc -l)
assert_equals 0 $(find ${WORKSPACE_NAME} -type f | wc -l)
assert_equals 5 $(find ${WORKSPACE_NAME} -type d | wc -l)
assert_equals 8 $(find ${WORKSPACE_NAME} | wc -l)
if [[ "$PRODUCT_NAME" == "bazel" ]]; then
assert_equals 4 $(wc -l < MANIFEST)
else
assert_equals 3 $(wc -l < MANIFEST)
fi
fi
rm -f ${TEST_TMPDIR}/MANIFEST
rm -f ${TEST_TMPDIR}/MANIFEST2
for i in $(find ${WORKSPACE_NAME} \! -type d); do
target="$(readlink "$i" || true)"
if [[ -z "$target" ]]; then
echo "$i " >> ${TEST_TMPDIR}/MANIFEST2
else
if "$is_windows"; then
echo "$i $(cygpath -m $target)" >> ${TEST_TMPDIR}/MANIFEST2
else
echo "$i $target" >> ${TEST_TMPDIR}/MANIFEST2
fi
fi
done
# Add the repo mapping manifest entry for Bazel.
if [[ "$PRODUCT_NAME" == "bazel" ]]; then
repo_mapping="_repo_mapping"
repo_mapping_target="$(readlink "$repo_mapping")"
if "$is_windows"; then
repo_mapping_target="$(cygpath -m $repo_mapping_target)"
fi
echo "$repo_mapping $repo_mapping_target" >> ${TEST_TMPDIR}/MANIFEST2
fi
sort MANIFEST > ${TEST_TMPDIR}/MANIFEST_sorted
sort ${TEST_TMPDIR}/MANIFEST2 > ${TEST_TMPDIR}/MANIFEST2_sorted
diff -u ${TEST_TMPDIR}/MANIFEST_sorted ${TEST_TMPDIR}/MANIFEST2_sorted
}
function test_workspace_name_change() {
# TODO(b/174761497): Re-enable the test outside of Bazel.
[[ "${PRODUCT_NAME}" != bazel ]] && return 0
# Rewrite the workspace name but leave the rest of WORKSPACE alone.
sed -ie 's,workspace(.*,workspace(name = "foo"),' WORKSPACE
cat > BUILD <<EOF
cc_binary(
name = "thing",
srcs = ["thing.cc"],
data = ["BUILD"],
)
EOF
cat > thing.cc <<EOF
int main() { return 0; }
EOF
bazel build //:thing $EXTRA_BUILD_FLAGS &> $TEST_log || fail "Build failed"
[[ -d ${PRODUCT_NAME}-bin/thing${EXT}.runfiles/foo ]] || fail "foo not found"
# Change workspace name to bar.
sed -ie 's,workspace(.*,workspace(name = "bar"),' WORKSPACE
bazel build //:thing $EXTRA_BUILD_FLAGS &> $TEST_log || fail "Build failed"
[[ -d ${PRODUCT_NAME}-bin/thing${EXT}.runfiles/bar ]] || fail "bar not found"
[[ ! -d ${PRODUCT_NAME}-bin/thing${EXT}.runfiles/foo ]] \
|| fail "Old foo still found"
}
# regression test for b/237547165
function test_fail_on_middleman_in_transitive_runfiles_for_executable() {
cat > rule.bzl <<EOF
def _impl(ctx):
exe = ctx.actions.declare_file(ctx.label.name + '.out')
ctx.actions.write(exe, "")
internal_outputs = ctx.attr.bin[OutputGroupInfo]._hidden_top_level_INTERNAL_
runfiles = ctx.runfiles(transitive_files = internal_outputs)
return DefaultInfo(runfiles = runfiles, executable = exe)
bad_runfiles = rule(
implementation = _impl,
attrs = {"bin" : attr.label()},
executable = True,
)
EOF
cat > BUILD <<EOF
load(":rule.bzl", "bad_runfiles");
cc_binary(
name = "thing",
srcs = ["thing.cc"],
)
bad_runfiles(name = "test", bin = ":thing")
EOF
cat > thing.cc <<EOF
int main() { return 0; }
EOF
bazel build //:test &> $TEST_log && fail "Expected build to fail but it succeeded"
expect_log_once "Runfiles must not contain middleman artifacts"
}
run_suite "runfiles"