/*
* 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.ocaml;
import com.facebook.buck.log.Logger;
import com.facebook.buck.rules.AbstractBuildRule;
import com.facebook.buck.rules.AddToRuleKey;
import com.facebook.buck.rules.BuildContext;
import com.facebook.buck.rules.BuildRuleParams;
import com.facebook.buck.rules.BuildableContext;
import com.facebook.buck.rules.SourcePath;
import com.facebook.buck.step.Step;
import com.facebook.buck.step.fs.MakeCleanDirectoryStep;
import com.google.common.collect.ImmutableList;
import java.nio.file.Files;
import java.nio.file.Path;
import javax.annotation.Nullable;
/** A build rule which cleans a target's build output folder. */
public class OcamlClean extends AbstractBuildRule {
@AddToRuleKey private final OcamlBuildContext ocamlContext;
private static final Logger LOG = Logger.get(OcamlClean.class);
public OcamlClean(BuildRuleParams params, OcamlBuildContext ocamlContext) {
super(params);
this.ocamlContext = ocamlContext;
}
@Override
public ImmutableList<Step> getBuildSteps(
BuildContext context, BuildableContext buildableContext) {
ImmutableList.Builder<Step> steps = ImmutableList.builder();
Path bcDir = ocamlContext.getCompileBytecodeOutputDir();
Path optDir = ocamlContext.getCompileNativeOutputDir();
if (Files.exists(bcDir)) {
buildableContext.recordArtifact(bcDir);
LOG.debug("Adding clean step for bytecode output dir %s", bcDir.toString());
steps.addAll(MakeCleanDirectoryStep.of(getProjectFilesystem(), bcDir));
}
if (Files.exists(optDir)) {
buildableContext.recordArtifact(optDir);
LOG.debug("Adding clean step for native output dir %s", optDir.toString());
steps.addAll(MakeCleanDirectoryStep.of(getProjectFilesystem(), optDir));
}
return steps.build();
}
@Nullable
@Override
public SourcePath getSourcePathToOutput() {
return null;
}
@Override
public boolean isCacheable() {
return false;
}
}