/*
* 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.rules;
import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.step.ExecutionContext;
import com.facebook.buck.step.Step;
import com.facebook.buck.step.StepExecutionResult;
import java.io.IOException;
import java.nio.file.Path;
public class RecordFileSha1Step implements Step {
private final ProjectFilesystem filesystem;
private final Path inputFile;
private final String metadataKey;
private final BuildableContext buildableContext;
public RecordFileSha1Step(
ProjectFilesystem filesystem,
Path inputFile,
String metadataKey,
BuildableContext buildableContext) {
this.filesystem = filesystem;
this.inputFile = inputFile;
this.metadataKey = metadataKey;
this.buildableContext = buildableContext;
}
@Override
public StepExecutionResult execute(ExecutionContext context) {
try {
buildableContext.addMetadata(metadataKey, filesystem.computeSha1(inputFile).getHash());
} catch (IOException e) {
context.logError(e, "Error hashing %s", inputFile.toString());
return StepExecutionResult.ERROR;
}
return StepExecutionResult.SUCCESS;
}
@Override
public String getShortName() {
return "record_file_sha1";
}
@Override
public String getDescription(ExecutionContext context) {
return String.format(
"%s --input %s --metadata-key %s", getShortName(), inputFile.toString(), metadataKey);
}
}