| /* |
| * 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 java.io.IOException; |
| import java.nio.file.Path; |
| |
| public class RecordFileSha1Step implements Step { |
| |
| private final Path inputFile; |
| private final String metadataKey; |
| private final BuildableContext buildableContext; |
| |
| public RecordFileSha1Step(Path inputFile, String metadataKey, BuildableContext buildableContext) { |
| this.inputFile = inputFile; |
| this.metadataKey = metadataKey; |
| this.buildableContext = buildableContext; |
| } |
| |
| @Override |
| public int execute(ExecutionContext context) { |
| ProjectFilesystem filesystem = context.getProjectFilesystem(); |
| try { |
| buildableContext.addMetadata(metadataKey, filesystem.computeSha1(inputFile)); |
| } catch (IOException e) { |
| context.logError(e, "Error hashing %s", inputFile.toString()); |
| return 1; |
| } |
| return 0; |
| } |
| |
| @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); |
| } |
| } |