001 package org.apache.maven.scm.provider.hg.command.branch;
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
027 import org.apache.maven.scm.ScmBranchParameters;
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.command.Command;
034 import org.apache.maven.scm.command.branch.AbstractBranchCommand;
035 import org.apache.maven.scm.command.branch.BranchScmResult;
036 import org.apache.maven.scm.provider.ScmProviderRepository;
037 import org.apache.maven.scm.provider.hg.HgUtils;
038 import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
039 import org.apache.maven.scm.provider.hg.command.HgConsumer;
040 import org.apache.maven.scm.provider.hg.command.inventory.HgListConsumer;
041 import org.apache.maven.scm.provider.hg.repository.HgScmProviderRepository;
042 import org.codehaus.plexus.util.StringUtils;
043
044 /**
045 * Branch. Mercurial has weird branches. After a branch is created, it must be committed to the server, otherwise
046 * the branch does not exist (yet) in the repository.
047 *
048 * @author Henning Schmiedehausen
049 * @version $Id: HgBranchCommand.java 1061024 2011-01-19 21:54:37Z olamy $
050 */
051 public class HgBranchCommand
052 extends AbstractBranchCommand
053 implements Command
054 {
055
056 protected ScmResult executeBranchCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String branch,
057 String message )
058 throws ScmException
059 {
060 return executeBranchCommand( scmProviderRepository, fileSet, branch, new ScmBranchParameters( message ) );
061 }
062
063 /**
064 * {@inheritDoc}
065 */
066 protected ScmResult executeBranchCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String branch,
067 ScmBranchParameters scmBranchParameters )
068 throws ScmException
069 {
070
071 if ( StringUtils.isBlank( branch ) )
072 {
073 throw new ScmException( "branch must be specified" );
074 }
075
076 if ( !fileSet.getFileList().isEmpty() )
077 {
078 throw new ScmException( "This provider doesn't support branchging subsets of a directory" );
079 }
080
081 File workingDir = fileSet.getBasedir();
082
083 // build the command
084 String[] branchCmd =
085 new String[]{ HgCommandConstants.BRANCH_CMD, branch };
086
087 // keep the command about in string form for reporting
088 ;
089 HgConsumer branchConsumer = new HgConsumer( getLogger() ) {
090 public void doConsume( ScmFileStatus status, String trimmedLine )
091 {
092 }
093 };
094
095 ScmResult result = HgUtils.execute( branchConsumer, getLogger(), workingDir, branchCmd );
096 HgScmProviderRepository repository = (HgScmProviderRepository) scmProviderRepository;
097
098 if ( !result.isSuccess() )
099 {
100 throw new ScmException( "Error while executing command " + joinCmd( branchCmd ) );
101 }
102
103 // First commit.
104 String[] commitCmd = new String[]{ HgCommandConstants.COMMIT_CMD, HgCommandConstants.MESSAGE_OPTION, scmBranchParameters.getMessage() };
105
106
107 result = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, commitCmd );
108
109 if ( !result.isSuccess() )
110 {
111 throw new ScmException( "Error while executing command " + joinCmd( commitCmd ) );
112 }
113
114 // now push, if we should.
115
116 if ( repository.isPushChanges() )
117 {
118 if ( !repository.getURI().equals( fileSet.getBasedir().getAbsolutePath() ) )
119 {
120
121 String[] pushCmd = new String[] {
122 HgCommandConstants.PUSH_CMD,
123 HgCommandConstants.NEW_BRANCH_OPTION,
124 repository.getURI()
125 };
126
127 result = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), fileSet.getBasedir(), pushCmd );
128
129 if ( !result.isSuccess() )
130 {
131 throw new ScmException( "Error while executing command " + joinCmd( pushCmd ) );
132 }
133 }
134 }
135
136 // do an inventory to return the files branched (all of them)
137 String[] listCmd = new String[]{ HgCommandConstants.INVENTORY_CMD };
138 HgListConsumer listconsumer = new HgListConsumer( getLogger() );
139
140 result = HgUtils.execute( listconsumer, getLogger(), fileSet.getBasedir(), listCmd );
141
142 if ( !result.isSuccess() )
143 {
144 throw new ScmException( "Error while executing command " + joinCmd(listCmd) );
145 }
146
147 List<ScmFile> files = listconsumer.getFiles();
148 List<ScmFile> fileList = new ArrayList<ScmFile>();
149 for ( Iterator<ScmFile> i = files.iterator(); i.hasNext(); )
150 {
151 ScmFile f = i.next();
152
153 fileList.add( new ScmFile( f.getPath(), ScmFileStatus.TAGGED ) );
154 }
155
156 return new BranchScmResult( fileList, result );
157 }
158
159 private String joinCmd( String[] cmd )
160 {
161 StringBuilder result = new StringBuilder();
162 for ( int i = 0; i < cmd.length; i++ )
163 {
164 String s = cmd[i];
165 result.append( s );
166 if ( i < cmd.length - 1 )
167 {
168 result.append( " " );
169 }
170 }
171 return result.toString();
172 }
173 }