001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.maven.scm.plugin; 020 021import javax.inject.Inject; 022 023import java.io.File; 024import java.io.IOException; 025 026import org.apache.maven.plugin.MojoExecutionException; 027import org.apache.maven.plugins.annotations.Mojo; 028import org.apache.maven.plugins.annotations.Parameter; 029import org.apache.maven.scm.ScmException; 030import org.apache.maven.scm.command.diff.DiffScmResult; 031import org.apache.maven.scm.manager.ScmManager; 032import org.apache.maven.scm.repository.ScmRepository; 033import org.apache.maven.settings.crypto.SettingsDecrypter; 034import org.codehaus.plexus.util.FileUtils; 035 036/** 037 * Display the difference of the working copy with the latest copy in the configured scm url. 038 * 039 * @author <a href="evenisse@apache.org">Emmanuel Venisse</a> 040 */ 041@Mojo(name = "diff", aggregator = true) 042public class DiffMojo extends AbstractScmMojo { 043 /** 044 * The version type (branch/tag/revision) of scmVersion. 045 */ 046 @Parameter(property = "startScmVersionType") 047 private String startScmVersionType; 048 049 /** 050 * The version (revision number/branch name/tag name). 051 */ 052 @Parameter(property = "startScmVersion") 053 private String startScmVersion; 054 055 /** 056 * The version type (branch/tag/revision) of scmVersion. 057 */ 058 @Parameter(property = "endScmVersionType") 059 private String endScmVersionType; 060 061 /** 062 * The version (revision number/branch name/tag name). 063 */ 064 @Parameter(property = "endScmVersion") 065 private String endScmVersion; 066 067 /** 068 * Output file name. 069 */ 070 @Parameter(property = "outputFile", defaultValue = "${project.artifactId}.diff") 071 private File outputFile; 072 073 @Inject 074 public DiffMojo(ScmManager manager, SettingsDecrypter settingsDecrypter) { 075 super(manager, settingsDecrypter); 076 } 077 078 /** {@inheritDoc} */ 079 public void execute() throws MojoExecutionException { 080 super.execute(); 081 082 try { 083 ScmRepository repository = getScmRepository(); 084 085 DiffScmResult result = getScmManager() 086 .diff( 087 repository, 088 getFileSet(), 089 getScmVersion(startScmVersionType, startScmVersion), 090 getScmVersion(endScmVersionType, endScmVersion)); 091 092 checkResult(result); 093 094 getLog().info(result.getPatch()); 095 096 try { 097 if (outputFile != null) { 098 FileUtils.fileWrite(outputFile.getAbsolutePath(), result.getPatch()); 099 } 100 } catch (IOException e) { 101 throw new MojoExecutionException("Can't write patch file.", e); 102 } 103 } catch (IOException | ScmException e) { 104 throw new MojoExecutionException("Cannot run diff command : ", e); 105 } 106 } 107}