package org.apache.maven.scm.provider.hg.command.update;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.maven.scm.ChangeSet;
import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFile;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmFileStatus;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.ScmVersion;
import org.apache.maven.scm.command.Command;
import org.apache.maven.scm.command.changelog.ChangeLogCommand;
import org.apache.maven.scm.command.update.AbstractUpdateCommand;
import org.apache.maven.scm.command.update.UpdateScmResult;
import org.apache.maven.scm.command.update.UpdateScmResultWithRevision;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.hg.HgUtils;
import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
import org.apache.maven.scm.provider.hg.command.HgConsumer;
import org.apache.maven.scm.provider.hg.command.changelog.HgChangeLogCommand;
import org.apache.maven.scm.provider.hg.command.diff.HgDiffConsumer;
import org.codehaus.plexus.util.StringUtils;
/**
* @author <a href="mailto:thurner.rupert@ymono.net">thurner rupert</a>
* @author Olivier Lamy
*
*/
public class HgUpdateCommand
extends AbstractUpdateCommand
implements Command
{
/** {@inheritDoc} */
protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion tag )
throws ScmException
{
File workingDir = fileSet.getBasedir();
String[] updateCmd;
// Update branch
if ( repo.isPushChanges() )
{
updateCmd =
new String[] { HgCommandConstants.PULL_CMD, HgCommandConstants.REVISION_OPTION,
tag != null && !StringUtils.isEmpty( tag.getName() ) ? tag.getName() : "tip" };
}
else
{
updateCmd =
new String[] { HgCommandConstants.UPDATE_CMD,
tag != null && !StringUtils.isEmpty( tag.getName() ) ? tag.getName() : "tip",
HgCommandConstants.CLEAN_OPTION };
}
ScmResult updateResult = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, updateCmd );
if ( !updateResult.isSuccess() )
{
return new UpdateScmResult( null, null, updateResult );
}
// Find changes from last revision
int currentRevision = HgUtils.getCurrentRevisionNumber( getLogger(), workingDir );
int previousRevision = currentRevision - 1;
String[] diffCmd = new String[] {
HgCommandConstants.DIFF_CMD,
HgCommandConstants.REVISION_OPTION,
"" + previousRevision };
HgDiffConsumer diffConsumer = new HgDiffConsumer( getLogger(), workingDir );
ScmResult diffResult = HgUtils.execute( diffConsumer, getLogger(), workingDir, diffCmd );
// Now translate between diff and update file status
List<ScmFile> updatedFiles = new ArrayList<ScmFile>();
List<CharSequence> changes = new ArrayList<CharSequence>();
List<ScmFile> diffFiles = diffConsumer.getChangedFiles();
Map<String, CharSequence> diffChanges = diffConsumer.getDifferences();
for ( ScmFile file : diffFiles )
{
changes.add( diffChanges.get( file.getPath() ) );
if ( file.getStatus() == ScmFileStatus.MODIFIED )
{
updatedFiles.add( new ScmFile( file.getPath(), ScmFileStatus.PATCHED ) );
}
else
{
updatedFiles.add( file );
}
}
if ( repo.isPushChanges() )
{
String[] hgUpdateCmd = new String[] { HgCommandConstants.UPDATE_CMD };
HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, hgUpdateCmd );
}
return new UpdateScmResultWithRevision( updatedFiles, new ArrayList<ChangeSet>( 0 ),
String.valueOf( currentRevision ), diffResult );
}
protected ChangeLogCommand getChangeLogCommand()
{
HgChangeLogCommand command = new HgChangeLogCommand();
command.setLogger( getLogger() );
return command;
}
}