| /* |
| * Copyright 2014-present Facebook, Inc. |
| * |
| * 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.facebook.buck.cxx; |
| |
| import com.facebook.buck.rules.AbstractBuildRule; |
| import com.facebook.buck.rules.BuildContext; |
| import com.facebook.buck.rules.BuildRuleParams; |
| import com.facebook.buck.rules.BuildableContext; |
| import com.facebook.buck.rules.RuleKey; |
| import com.facebook.buck.rules.SourcePath; |
| import com.facebook.buck.rules.SourcePathResolver; |
| import com.facebook.buck.step.Step; |
| import com.facebook.buck.step.fs.MkdirStep; |
| import com.facebook.buck.step.fs.RmStep; |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.nio.file.Path; |
| |
| /** |
| * A {@link com.facebook.buck.rules.BuildRule} which builds an "ar" archive from input files |
| * represented as {@link com.facebook.buck.rules.SourcePath}. |
| */ |
| public class Archive extends AbstractBuildRule { |
| |
| private final Tool archiver; |
| private final Path output; |
| private final ImmutableList<SourcePath> inputs; |
| |
| public Archive( |
| BuildRuleParams params, |
| SourcePathResolver resolver, |
| Tool archiver, |
| Path output, |
| ImmutableList<SourcePath> inputs) { |
| super(params, resolver); |
| this.archiver = archiver; |
| this.output = output; |
| this.inputs = inputs; |
| } |
| |
| @Override |
| protected ImmutableCollection<Path> getInputsToCompareToOutput() { |
| return getResolver().filterInputsToCompareToOutput(inputs); |
| } |
| |
| @Override |
| protected RuleKey.Builder appendDetailsToRuleKey(RuleKey.Builder builder) { |
| return builder |
| .setReflectively("archiver", archiver) |
| .setReflectively("output", output.toString()); |
| } |
| |
| @Override |
| public ImmutableList<Step> getBuildSteps( |
| BuildContext context, |
| BuildableContext buildableContext) { |
| |
| // Cache the archive we built. |
| buildableContext.recordArtifact(output); |
| |
| return ImmutableList.of( |
| new MkdirStep(output.getParent()), |
| new RmStep(output, /* shouldForceDeletion */ true), |
| new ArchiveStep( |
| archiver.getCommandPrefix(getResolver()), |
| output, |
| getResolver().getAllPaths(inputs)), |
| new ArchiveScrubberStep(output)); |
| } |
| |
| @Override |
| public Path getPathToOutputFile() { |
| return output; |
| } |
| |
| } |