001 package org.apache.maven.scm.provider.bazaar.command.update;
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 java.io.File;
023 import java.util.ArrayList;
024 import java.util.Iterator;
025 import java.util.List;
026 import java.util.Map;
027
028 import org.apache.maven.scm.ChangeSet;
029 import org.apache.maven.scm.ScmException;
030 import org.apache.maven.scm.ScmFile;
031 import org.apache.maven.scm.ScmFileSet;
032 import org.apache.maven.scm.ScmFileStatus;
033 import org.apache.maven.scm.ScmResult;
034 import org.apache.maven.scm.ScmVersion;
035 import org.apache.maven.scm.command.Command;
036 import org.apache.maven.scm.command.changelog.ChangeLogCommand;
037 import org.apache.maven.scm.command.update.AbstractUpdateCommand;
038 import org.apache.maven.scm.command.update.UpdateScmResult;
039 import org.apache.maven.scm.command.update.UpdateScmResultWithRevision;
040 import org.apache.maven.scm.provider.ScmProviderRepository;
041 import org.apache.maven.scm.provider.bazaar.BazaarUtils;
042 import org.apache.maven.scm.provider.bazaar.command.BazaarConstants;
043 import org.apache.maven.scm.provider.bazaar.command.BazaarConsumer;
044 import org.apache.maven.scm.provider.bazaar.command.changelog.BazaarChangeLogCommand;
045 import org.apache.maven.scm.provider.bazaar.command.diff.BazaarDiffConsumer;
046 import org.codehaus.plexus.util.StringUtils;
047
048 /**
049 * @author <a href="mailto:torbjorn@smorgrav.org">Torbj�rn Eikli Sm�rgrav</a>
050 * @version $Id: BazaarUpdateCommand.java 1056980 2011-01-09 17:23:55Z olamy $
051 */
052 public class BazaarUpdateCommand
053 extends AbstractUpdateCommand
054 implements Command
055 {
056
057 /** {@inheritDoc} */
058 protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion version )
059 throws ScmException
060 {
061
062 if ( version != null && StringUtils.isNotEmpty( version.getName() ) )
063 {
064 throw new ScmException( "This provider can't handle tags." );
065 }
066
067 File workingDir = fileSet.getBasedir();
068
069 // Update branch
070 String[] updateCmd = new String[] { BazaarConstants.PULL_CMD };
071 ScmResult updateResult = BazaarUtils.execute( new BazaarConsumer( getLogger() ), getLogger(), workingDir,
072 updateCmd );
073
074 if ( !updateResult.isSuccess() )
075 {
076 return new UpdateScmResult( null, null, updateResult );
077 }
078
079 // Find changes from last revision
080 int currentRevision = BazaarUtils.getCurrentRevisionNumber( getLogger(), workingDir );
081 int previousRevision = currentRevision - 1;
082 String[] diffCmd =
083 new String[] { BazaarConstants.DIFF_CMD, BazaarConstants.REVISION_OPTION, "" + previousRevision };
084 BazaarDiffConsumer diffConsumer = new BazaarDiffConsumer( getLogger(), workingDir );
085 ScmResult diffResult = BazaarUtils.execute( diffConsumer, getLogger(), workingDir, diffCmd );
086
087 // Now translate between diff and update file status
088 List<ScmFile> updatedFiles = new ArrayList<ScmFile>();
089 List<CharSequence> changes = new ArrayList<CharSequence>();
090 List<ScmFile> diffFiles = diffConsumer.getChangedFiles();
091 Map<String, CharSequence> diffChanges = diffConsumer.getDifferences();
092 for ( Iterator<ScmFile> it = diffFiles.iterator(); it.hasNext(); )
093 {
094 ScmFile file = it.next();
095 changes.add( diffChanges.get( file ) );
096 if ( file.getStatus() == ScmFileStatus.MODIFIED )
097 {
098 updatedFiles.add( new ScmFile( file.getPath(), ScmFileStatus.PATCHED ) );
099 }
100 else
101 {
102 updatedFiles.add( file );
103 }
104 }
105
106 return new UpdateScmResultWithRevision( updatedFiles, new ArrayList<ChangeSet>(0), String.valueOf( currentRevision ), diffResult );
107 }
108
109 /** {@inheritDoc} */
110 protected ChangeLogCommand getChangeLogCommand()
111 {
112 BazaarChangeLogCommand command = new BazaarChangeLogCommand();
113 command.setLogger( getLogger() );
114 return command;
115 }
116 }