001package org.apache.maven.scm.provider.hg.command.tag;
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 java.io.File;
023import java.util.ArrayList;
024import java.util.List;
025
026import org.apache.maven.scm.ScmException;
027import org.apache.maven.scm.ScmFile;
028import org.apache.maven.scm.ScmFileSet;
029import org.apache.maven.scm.ScmFileStatus;
030import org.apache.maven.scm.ScmResult;
031import org.apache.maven.scm.ScmTagParameters;
032import org.apache.maven.scm.command.Command;
033import org.apache.maven.scm.command.tag.AbstractTagCommand;
034import org.apache.maven.scm.command.tag.TagScmResult;
035import org.apache.maven.scm.provider.ScmProviderRepository;
036import org.apache.maven.scm.provider.hg.HgUtils;
037import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
038import org.apache.maven.scm.provider.hg.command.HgConsumer;
039import org.apache.maven.scm.provider.hg.command.inventory.HgListConsumer;
040import org.apache.maven.scm.provider.hg.repository.HgScmProviderRepository;
041import org.codehaus.plexus.util.StringUtils;
042
043/**
044 * Tag
045 *
046 * @author <a href="mailto:ryan@darksleep.com">ryan daum</a>
047 * @author Olivier Lamy
048 *
049 */
050public class HgTagCommand
051    extends AbstractTagCommand
052    implements Command
053{
054
055    protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,
056                                           String message )
057        throws ScmException
058    {
059        return executeTagCommand( scmProviderRepository, fileSet, tag, new ScmTagParameters( message ) );
060    }
061
062    /**
063     * {@inheritDoc}
064     */
065    protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,
066                                           ScmTagParameters scmTagParameters )
067        throws ScmException
068    {
069
070        if ( tag == null || StringUtils.isEmpty( tag.trim() ) )
071        {
072            throw new ScmException( "tag must be specified" );
073        }
074
075        if ( !fileSet.getFileList().isEmpty() )
076        {
077            throw new ScmException( "This provider doesn't support tagging subsets of a directory : " + fileSet.getFileList() );
078        }
079
080        File workingDir = fileSet.getBasedir();
081
082        // build the command
083        String[] tagCmd =
084            new String[]{ HgCommandConstants.TAG_CMD, HgCommandConstants.MESSAGE_OPTION, scmTagParameters.getMessage(),
085                tag };
086
087        // keep the command about in string form for reporting
088        StringBuilder cmd = joinCmd( tagCmd );
089        HgTagConsumer consumer = new HgTagConsumer( getLogger() );
090        ScmResult result = HgUtils.execute( consumer, getLogger(), workingDir, tagCmd );
091        HgScmProviderRepository repository = (HgScmProviderRepository) scmProviderRepository;
092        if ( result.isSuccess() )
093        {
094            // now push
095            // Push to parent branch if any
096
097            if ( repository.isPushChanges() )
098            {
099                if ( !repository.getURI().equals( fileSet.getBasedir().getAbsolutePath() ) )
100                {
101                    String branchName = HgUtils.getCurrentBranchName( getLogger(), workingDir );
102                    boolean differentOutgoingBranch =
103                        HgUtils.differentOutgoingBranchFound( getLogger(), workingDir, branchName );
104
105                    String[] pushCmd = new String[]{ HgCommandConstants.PUSH_CMD,
106                        differentOutgoingBranch ? HgCommandConstants.REVISION_OPTION + branchName : null,
107                        repository.getURI() };
108
109                    result =
110                        HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), fileSet.getBasedir(), pushCmd );
111                }
112            }
113        }
114        else
115        {
116            throw new ScmException( "Error while executing command " + cmd.toString() );
117        }
118
119        // do an inventory to return the files tagged (all of them)
120        String[] listCmd = new String[]{ HgCommandConstants.INVENTORY_CMD };
121        HgListConsumer listconsumer = new HgListConsumer( getLogger() );
122        result = HgUtils.execute( listconsumer, getLogger(), fileSet.getBasedir(), listCmd );
123        if ( result.isSuccess() )
124        {
125            List<ScmFile> files = listconsumer.getFiles();
126            List<ScmFile> fileList = new ArrayList<ScmFile>();
127            for ( ScmFile f : files )
128            {
129                if ( !f.getPath().endsWith( ".hgtags" ) )
130                {
131                    fileList.add( new ScmFile( f.getPath(), ScmFileStatus.TAGGED ) );
132                }
133            }
134
135            return new TagScmResult( fileList, result );
136        }
137        else
138        {
139            throw new ScmException( "Error while executing command " + cmd.toString() );
140        }
141    }
142
143    private StringBuilder joinCmd( String[] cmd )
144    {
145        StringBuilder result = new StringBuilder();
146        for ( int i = 0; i < cmd.length; i++ )
147        {
148            String s = cmd[i];
149            result.append( s );
150            if ( i < cmd.length - 1 )
151            {
152                result.append( " " );
153            }
154        }
155        return result;
156    }
157}