package org.apache.maven.scm.provider.git.gitexe.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 org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmFileStatus;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.command.branch.AbstractBranchCommand;
import org.apache.maven.scm.command.branch.BranchScmResult;
import org.apache.maven.scm.log.ScmLogger;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.git.command.GitCommand;
import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
import org.apache.maven.scm.provider.git.gitexe.command.list.GitListCommand;
import org.apache.maven.scm.provider.git.gitexe.command.list.GitListConsumer;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
import java.io.File;
/**
* @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
*
*/
public class GitBranchCommand
extends AbstractBranchCommand
implements GitCommand
{
/** {@inheritDoc} */
public ScmResult executeBranchCommand( ScmProviderRepository repo, ScmFileSet fileSet, String branch,
String message )
throws ScmException
{
if ( branch == null || StringUtils.isEmpty( branch.trim() ) )
{
throw new ScmException( "branch name must be specified" );
}
if ( !fileSet.getFileList().isEmpty() )
{
throw new ScmException( "This provider doesn't support branching subsets of a directory" );
}
GitScmProviderRepository repository = (GitScmProviderRepository) repo;
Commandline cl = createCommandLine( repository, fileSet.getBasedir(), branch );
CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
int exitCode;
exitCode = GitCommandLineUtils.execute( cl, stdout, stderr, getLogger() );
if ( exitCode != 0 )
{
return new BranchScmResult( cl.toString(), "The git-branch command failed.", stderr.getOutput(), false );
}
if ( repo.isPushChanges() )
{
// and now push the branch to the upstream repository
Commandline clPush = createPushCommandLine( repository, fileSet, branch );
exitCode = GitCommandLineUtils.execute( clPush, stdout, stderr, getLogger() );
if ( exitCode != 0 )
{
return new BranchScmResult( clPush.toString(), "The git-push command failed.", stderr.getOutput(),
false );
}
}
// as last action we search for the branched files
GitListConsumer listConsumer = new GitListConsumer( getLogger(), fileSet.getBasedir(), ScmFileStatus.TAGGED );
Commandline clList = GitListCommand.createCommandLine( repository, fileSet.getBasedir() );
exitCode = GitCommandLineUtils.execute( clList, listConsumer, stderr, getLogger() );
if ( exitCode != 0 )
{
return new BranchScmResult( clList.toString(), "The git-ls-files command failed.", stderr.getOutput(),
false );
}
return new BranchScmResult( cl.toString(), listConsumer.getListedFiles() );
}
// ----------------------------------------------------------------------
//
// ----------------------------------------------------------------------
public static Commandline createCommandLine( GitScmProviderRepository repository, File workingDirectory,
String branch )
{
Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "branch" );
cl.createArg().setValue( branch );
return cl;
}
public static Commandline createPushCommandLine( GitScmProviderRepository repository, ScmFileSet fileSet,
String branch )
throws ScmException
{
Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "push" );
cl.createArg().setValue( repository.getPushUrl() );
cl.createArg().setValue( "refs/heads/" + branch );
return cl;
}
/**
* Helper function to detect the current branch
*/
public static String getCurrentBranch( ScmLogger logger, GitScmProviderRepository repository, ScmFileSet fileSet )
throws ScmException
{
Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "symbolic-ref" );
cl.createArg().setValue( "HEAD" );
CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
GitCurrentBranchConsumer cbConsumer = new GitCurrentBranchConsumer( logger );
int exitCode;
exitCode = GitCommandLineUtils.execute( cl, cbConsumer, stderr, logger );
if ( exitCode != 0 )
{
throw new ScmException( "Detecting the current branch failed: " + stderr.getOutput() );
}
return cbConsumer.getBranchName();
}
}