package org.apache.maven.scm.provider.hg.command.branch;
/*
* 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.Iterator;
import java.util.List;
import org.apache.maven.scm.ScmBranchParameters;
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.command.Command;
import org.apache.maven.scm.command.branch.AbstractBranchCommand;
import org.apache.maven.scm.command.branch.BranchScmResult;
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.inventory.HgListConsumer;
import org.apache.maven.scm.provider.hg.repository.HgScmProviderRepository;
import org.codehaus.plexus.util.StringUtils;
/**
* Branch. Mercurial has weird branches. After a branch is created, it must be committed to the server, otherwise
* the branch does not exist (yet) in the repository.
*
* @author Henning Schmiedehausen
* @version $Id: HgBranchCommand.java 1061024 2011-01-19 21:54:37Z olamy $
*/
public class HgBranchCommand
extends AbstractBranchCommand
implements Command
{
protected ScmResult executeBranchCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String branch,
String message )
throws ScmException
{
return executeBranchCommand( scmProviderRepository, fileSet, branch, new ScmBranchParameters( message ) );
}
/**
* {@inheritDoc}
*/
protected ScmResult executeBranchCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String branch,
ScmBranchParameters scmBranchParameters )
throws ScmException
{
if ( StringUtils.isBlank( branch ) )
{
throw new ScmException( "branch must be specified" );
}
if ( !fileSet.getFileList().isEmpty() )
{
throw new ScmException( "This provider doesn't support branchging subsets of a directory" );
}
File workingDir = fileSet.getBasedir();
// build the command
String[] branchCmd =
new String[]{ HgCommandConstants.BRANCH_CMD, branch };
// keep the command about in string form for reporting
;
HgConsumer branchConsumer = new HgConsumer( getLogger() ) {
public void doConsume( ScmFileStatus status, String trimmedLine )
{
}
};
ScmResult result = HgUtils.execute( branchConsumer, getLogger(), workingDir, branchCmd );
HgScmProviderRepository repository = (HgScmProviderRepository) scmProviderRepository;
if ( !result.isSuccess() )
{
throw new ScmException( "Error while executing command " + joinCmd( branchCmd ) );
}
// First commit.
String[] commitCmd = new String[]{ HgCommandConstants.COMMIT_CMD, HgCommandConstants.MESSAGE_OPTION, scmBranchParameters.getMessage() };
result = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), workingDir, commitCmd );
if ( !result.isSuccess() )
{
throw new ScmException( "Error while executing command " + joinCmd( commitCmd ) );
}
// now push, if we should.
if ( repository.isPushChanges() )
{
if ( !repository.getURI().equals( fileSet.getBasedir().getAbsolutePath() ) )
{
String[] pushCmd = new String[] {
HgCommandConstants.PUSH_CMD,
HgCommandConstants.NEW_BRANCH_OPTION,
repository.getURI()
};
result = HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), fileSet.getBasedir(), pushCmd );
if ( !result.isSuccess() )
{
throw new ScmException( "Error while executing command " + joinCmd( pushCmd ) );
}
}
}
// do an inventory to return the files branched (all of them)
String[] listCmd = new String[]{ HgCommandConstants.INVENTORY_CMD };
HgListConsumer listconsumer = new HgListConsumer( getLogger() );
result = HgUtils.execute( listconsumer, getLogger(), fileSet.getBasedir(), listCmd );
if ( !result.isSuccess() )
{
throw new ScmException( "Error while executing command " + joinCmd(listCmd) );
}
List<ScmFile> files = listconsumer.getFiles();
List<ScmFile> fileList = new ArrayList<ScmFile>();
for ( Iterator<ScmFile> i = files.iterator(); i.hasNext(); )
{
ScmFile f = i.next();
fileList.add( new ScmFile( f.getPath(), ScmFileStatus.TAGGED ) );
}
return new BranchScmResult( fileList, result );
}
private String joinCmd( String[] cmd )
{
StringBuilder result = new StringBuilder();
for ( int i = 0; i < cmd.length; i++ )
{
String s = cmd[i];
result.append( s );
if ( i < cmd.length - 1 )
{
result.append( " " );
}
}
return result.toString();
}
}