001 package org.apache.maven.scm.provider.hg.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.List;
025 import java.util.Map;
026
027 import org.apache.maven.scm.ChangeSet;
028 import org.apache.maven.scm.ScmException;
029 import org.apache.maven.scm.ScmFile;
030 import org.apache.maven.scm.ScmFileSet;
031 import org.apache.maven.scm.ScmFileStatus;
032 import org.apache.maven.scm.ScmResult;
033 import org.apache.maven.scm.ScmVersion;
034 import org.apache.maven.scm.command.Command;
035 import org.apache.maven.scm.command.changelog.ChangeLogCommand;
036 import org.apache.maven.scm.command.update.AbstractUpdateCommand;
037 import org.apache.maven.scm.command.update.UpdateScmResult;
038 import org.apache.maven.scm.command.update.UpdateScmResultWithRevision;
039 import org.apache.maven.scm.provider.ScmProviderRepository;
040 import org.apache.maven.scm.provider.hg.HgUtils;
041 import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
042 import org.apache.maven.scm.provider.hg.command.HgConsumer;
043 import org.apache.maven.scm.provider.hg.command.changelog.HgChangeLogCommand;
044 import org.apache.maven.scm.provider.hg.command.diff.HgDiffConsumer;
045 import org.codehaus.plexus.util.StringUtils;
046
047 /**
048 * @author <a href="mailto:thurner.rupert@ymono.net">thurner rupert</a>
049 * @author Olivier Lamy
050 * @version $Id: HgUpdateCommand.java 1207290 2011-11-28 15:20:44Z olamy $
051 */
052 public class HgUpdateCommand
053 extends AbstractUpdateCommand
054 implements Command
055 {
056 /** {@inheritDoc} */
057 protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion tag )
058 throws ScmException
059 {
060 File workingDir = fileSet.getBasedir();
061
062 String[] updateCmd;
063 // Update branch
064 if (repo.isPushChanges()) {
065 updateCmd = new String[] {
066 HgCommandConstants.PULL_CMD,
067 HgCommandConstants.REVISION_OPTION,
068 tag != null && !StringUtils.isEmpty( tag.getName() ) ? tag.getName() : "tip" };
069 } else {
070 updateCmd = new String[] {
071 HgCommandConstants.UPDATE_CMD,
072 tag != null && !StringUtils.isEmpty( tag.getName() ) ? tag.getName() : "tip",
073 HgCommandConstants.CLEAN_OPTION };
074 }
075 ScmResult updateResult = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, updateCmd );
076
077 if ( !updateResult.isSuccess() )
078 {
079 return new UpdateScmResult( null, null, updateResult );
080 }
081
082 // Find changes from last revision
083 int currentRevision = HgUtils.getCurrentRevisionNumber( getLogger(), workingDir );
084 int previousRevision = currentRevision - 1;
085 String[] diffCmd = new String[] {
086 HgCommandConstants.DIFF_CMD,
087 HgCommandConstants.REVISION_OPTION,
088 "" + previousRevision };
089 HgDiffConsumer diffConsumer = new HgDiffConsumer( getLogger(), workingDir );
090 ScmResult diffResult = HgUtils.execute( diffConsumer, getLogger(), workingDir, diffCmd );
091
092 // Now translate between diff and update file status
093 List<ScmFile> updatedFiles = new ArrayList<ScmFile>();
094 List<CharSequence> changes = new ArrayList<CharSequence>();
095 List<ScmFile> diffFiles = diffConsumer.getChangedFiles();
096 Map<String, CharSequence> diffChanges = diffConsumer.getDifferences();
097 for ( ScmFile file : diffFiles )
098 {
099 changes.add( diffChanges.get( file.getPath() ) );
100 if ( file.getStatus() == ScmFileStatus.MODIFIED )
101 {
102 updatedFiles.add( new ScmFile( file.getPath(), ScmFileStatus.PATCHED ) );
103 }
104 else
105 {
106 updatedFiles.add( file );
107 }
108 }
109
110 if ( repo.isPushChanges() ) {
111 String[] hgUpdateCmd = new String[] { HgCommandConstants.UPDATE_CMD };
112 HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, hgUpdateCmd );
113 }
114
115 return new UpdateScmResultWithRevision( updatedFiles, new ArrayList<ChangeSet>(0), String.valueOf( currentRevision ), diffResult );
116 }
117
118 protected ChangeLogCommand getChangeLogCommand()
119 {
120 HgChangeLogCommand command = new HgChangeLogCommand();
121 command.setLogger( getLogger() );
122 return command;
123 }
124 }