001 package 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
022 import org.apache.maven.scm.ScmException;
023 import org.apache.maven.scm.ScmFileSet;
024 import org.apache.maven.scm.ScmVersion;
025 import org.apache.maven.scm.command.diff.AbstractDiffCommand;
026 import org.apache.maven.scm.command.diff.DiffScmResult;
027 import org.apache.maven.scm.provider.ScmProviderRepository;
028 import org.apache.maven.scm.provider.svn.command.SvnCommand;
029 import org.apache.maven.scm.provider.svn.command.diff.SvnDiffConsumer;
030 import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
031 import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils;
032 import org.codehaus.plexus.util.StringUtils;
033 import org.codehaus.plexus.util.cli.CommandLineException;
034 import org.codehaus.plexus.util.cli.CommandLineUtils;
035 import org.codehaus.plexus.util.cli.Commandline;
036
037 import java.io.File;
038
039 /**
040 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
041 * @author Olivier Lamy
042 *
043 */
044 public 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 }