001package org.apache.maven.scm.provider.svn.svnexe.command.diff; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.maven.scm.ScmException; 023import org.apache.maven.scm.ScmFileSet; 024import org.apache.maven.scm.ScmVersion; 025import org.apache.maven.scm.command.diff.AbstractDiffCommand; 026import org.apache.maven.scm.command.diff.DiffScmResult; 027import org.apache.maven.scm.provider.ScmProviderRepository; 028import org.apache.maven.scm.provider.svn.command.SvnCommand; 029import org.apache.maven.scm.provider.svn.command.diff.SvnDiffConsumer; 030import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository; 031import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils; 032import org.codehaus.plexus.util.StringUtils; 033import org.codehaus.plexus.util.cli.CommandLineException; 034import org.codehaus.plexus.util.cli.CommandLineUtils; 035import org.codehaus.plexus.util.cli.Commandline; 036 037import java.io.File; 038 039/** 040 * @author <a href="mailto:brett@apache.org">Brett Porter</a> 041 * @author Olivier Lamy 042 * 043 */ 044public class SvnDiffCommand 045 extends AbstractDiffCommand 046 implements SvnCommand 047{ 048 /** {@inheritDoc} */ 049 protected DiffScmResult executeDiffCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion startVersion, 050 ScmVersion endVersion ) 051 throws ScmException 052 { 053 Commandline cl = 054 createCommandLine( (SvnScmProviderRepository) repo, fileSet.getBasedir(), startVersion, endVersion ); 055 056 SvnDiffConsumer consumer = new SvnDiffConsumer( getLogger(), fileSet.getBasedir() ); 057 058 CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer(); 059 060 if ( getLogger().isInfoEnabled() ) 061 { 062 getLogger().info( "Executing: " + SvnCommandLineUtils.cryptPassword( cl ) ); 063 getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() ); 064 } 065 066 int exitCode; 067 068 try 069 { 070 exitCode = SvnCommandLineUtils.execute( cl, consumer, stderr, getLogger() ); 071 } 072 catch ( CommandLineException ex ) 073 { 074 throw new ScmException( "Error while executing command.", ex ); 075 } 076 077 if ( exitCode != 0 ) 078 { 079 return new DiffScmResult( cl.toString(), "The svn command failed.", stderr.getOutput(), false ); 080 } 081 082 return new DiffScmResult( cl.toString(), consumer.getChangedFiles(), consumer.getDifferences(), 083 consumer.getPatch() ); 084 } 085 086 // ---------------------------------------------------------------------- 087 // 088 // ---------------------------------------------------------------------- 089 090 public static Commandline createCommandLine( SvnScmProviderRepository repository, File workingDirectory, 091 ScmVersion startVersion, ScmVersion endVersion ) 092 { 093 Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine( workingDirectory, repository ); 094 095 cl.createArg().setValue( "diff" ); 096 097 if ( startVersion != null && StringUtils.isNotEmpty( startVersion.getName() ) ) 098 { 099 cl.createArg().setValue( "-r" ); 100 101 if ( endVersion != null && StringUtils.isNotEmpty( endVersion.getName() ) ) 102 { 103 cl.createArg().setValue( startVersion.getName() + ":" + endVersion.getName() ); 104 } 105 else 106 { 107 cl.createArg().setValue( startVersion.getName() ); 108 } 109 } 110 111 return cl; 112 } 113}