maven-scm-providers/maven-scm-providers-git/maven-scm-provider-gitexe/src/main/java/org/apache/maven/scm/provider/git/gitexe/command/update/GitUpdateCommand.java

package org.apache.maven.scm.provider.git.gitexe.command.update;

import java.util.Collections;

import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmVersion;
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.git.command.GitCommand;
import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;

/*
 * 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.
 */

/**
 * @author <a href="mailto:olamy@apache.org">olamy</a>
 * @since 10 août 2008
 * @version $Id$
 */
public class GitUpdateCommand extends AbstractUpdateCommand implements GitCommand
{

    protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet,
                                                    ScmVersion scmVersion )
        throws ScmException
    {
        GitScmProviderRepository repository = (GitScmProviderRepository) repo;

        if ( GitScmProviderRepository.PROTOCOL_FILE.equals( repository.getProtocol() ) &&
             repository.getUrl().indexOf( fileSet.getBasedir().getPath() ) >= 0 ) 
        {
            throw new ScmException( "remote repository must not be the working directory" );
        }

        int exitCode;

        GitUpdateCommandConsumer consumer = new GitUpdateCommandConsumer( getLogger(), fileSet
            .getBasedir() );
        
        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
        
        Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "pull" );
        cl.createArg().setLine( "origin" );
        cl.createArg().setLine( "master" );
        exitCode = GitCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
        if ( exitCode != 0 )
        {
            getLogger().warn( "failed to update git, return code " + exitCode );
            return new UpdateScmResult( cl.toString(), "The git-pull origin master command failed.", stderr.getOutput(), false );
        }
        return new UpdateScmResultWithRevision( cl.toString(), consumer.getUpdatedFiles(), null );        
    }

    protected ChangeLogCommand getChangeLogCommand()
    {
        // TODO Auto-generated method stub
        return null;
    }

    

}