| // Copyright 2022 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. |
| // |
| |
| package com.google.devtools.build.lib.bazel.bzlmod; |
| |
| import static com.google.common.collect.ImmutableSet.toImmutableSet; |
| import static com.google.devtools.build.lib.bazel.bzlmod.BazelLockFileFunction.LOCKFILE_MODE; |
| import static com.google.devtools.build.lib.bazel.bzlmod.ModuleFileFunction.IGNORE_DEV_DEPS; |
| import static com.google.devtools.build.lib.bazel.bzlmod.ModuleFileFunction.MODULE_OVERRIDES; |
| import static com.google.devtools.build.lib.skyframe.PrecomputedValue.STARLARK_SEMANTICS; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.cmdline.LabelSyntaxException; |
| import com.google.devtools.build.lib.cmdline.RepositoryName; |
| import com.google.devtools.build.lib.rules.repository.NeedsSkyframeRestartException; |
| import com.google.devtools.build.lib.rules.repository.RepositoryFunction; |
| import com.google.devtools.build.lib.server.FailureDetails; |
| import com.google.devtools.build.lib.skyframe.RepositoryMappingValue; |
| import com.google.devtools.build.lib.vfs.RootedPath; |
| import com.google.devtools.build.skyframe.SkyFunction; |
| import com.google.devtools.build.skyframe.SkyFunctionException; |
| import com.google.devtools.build.skyframe.SkyKey; |
| import com.google.devtools.build.skyframe.SkyValue; |
| import com.google.devtools.build.skyframe.SkyframeLookupResult; |
| import javax.annotation.Nullable; |
| import net.starlark.java.eval.EvalException; |
| |
| /** |
| * Computes all information required for the {@code bazel mod tidy} command. The evaluation of all |
| * module extensions used by the root module is triggered to, as a side effect, emit any {@link |
| * RootModuleFileFixupEvent}s. |
| */ |
| public class BazelModTidyFunction implements SkyFunction { |
| |
| @Override |
| @Nullable |
| public SkyValue compute(SkyKey skyKey, Environment env) |
| throws InterruptedException, SkyFunctionException { |
| BazelDepGraphValue depGraphValue = (BazelDepGraphValue) env.getValue(BazelDepGraphValue.KEY); |
| if (depGraphValue == null) { |
| return null; |
| } |
| RepositoryMappingValue bazelToolsRepoMapping = |
| (RepositoryMappingValue) |
| env.getValue(RepositoryMappingValue.key(RepositoryName.BAZEL_TOOLS)); |
| if (bazelToolsRepoMapping == null) { |
| return null; |
| } |
| Label buildozerLabel; |
| try { |
| buildozerLabel = |
| Label.parseWithRepoContext( |
| // This label always has the ".exe" extension, even on Unix, to get a single static |
| // label that works on all platforms. |
| "@buildozer_binary//:buildozer.exe", |
| Label.RepoContext.of( |
| RepositoryName.BAZEL_TOOLS, bazelToolsRepoMapping.getRepositoryMapping())); |
| } catch (LabelSyntaxException e) { |
| throw new IllegalStateException(e); |
| } |
| RootedPath buildozer; |
| try { |
| buildozer = RepositoryFunction.getRootedPathFromLabel(buildozerLabel, env); |
| } catch (NeedsSkyframeRestartException e) { |
| return null; |
| } catch (EvalException e) { |
| throw new IllegalStateException(e); |
| } |
| |
| ImmutableSet<SkyKey> extensionsUsedByRootModule = |
| depGraphValue |
| .getExtensionUsagesTable() |
| .columnMap() |
| .getOrDefault(ModuleKey.ROOT, ImmutableMap.of()) |
| .keySet() |
| .stream() |
| .map(SingleExtensionEvalValue::key) |
| .collect(toImmutableSet()); |
| SkyframeLookupResult result = env.getValuesAndExceptions(extensionsUsedByRootModule); |
| if (env.valuesMissing()) { |
| return null; |
| } |
| for (SkyKey extension : extensionsUsedByRootModule) { |
| try { |
| result.getOrThrow(extension, ExternalDepsException.class); |
| } catch (ExternalDepsException e) { |
| if (e.getDetailedExitCode().getFailureDetail() == null |
| || !e.getDetailedExitCode() |
| .getFailureDetail() |
| .getExternalDeps() |
| .getCode() |
| .equals(FailureDetails.ExternalDeps.Code.INVALID_EXTENSION_IMPORT)) { |
| throw new BazelModTidyFunctionException(e, SkyFunctionException.Transience.PERSISTENT); |
| } |
| // This is an error bazel mod tidy can fix, so don't fail. |
| } |
| } |
| |
| return BazelModTidyValue.create( |
| buildozer.asPath(), |
| MODULE_OVERRIDES.get(env), |
| IGNORE_DEV_DEPS.get(env), |
| LOCKFILE_MODE.get(env), |
| STARLARK_SEMANTICS.get(env)); |
| } |
| |
| static final class BazelModTidyFunctionException extends SkyFunctionException { |
| |
| BazelModTidyFunctionException(ExternalDepsException cause, Transience transience) { |
| super(cause, transience); |
| } |
| } |
| } |