package org.apache.maven.scm.provider.cvslib.cvsexe.command.diff;
/*
* 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.command.diff.DiffScmResult;
import org.apache.maven.scm.provider.cvslib.command.diff.AbstractCvsDiffCommand;
import org.apache.maven.scm.provider.cvslib.command.diff.CvsDiffConsumer;
import org.codehaus.plexus.util.cli.CommandLineException;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
/**
* @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
* @version $Id: CvsExeDiffCommand.java 942245 2010-05-07 21:46:19Z olamy $
*/
public class CvsExeDiffCommand
extends AbstractCvsDiffCommand
{
/** {@inheritDoc} */
protected DiffScmResult executeCvsCommand( Commandline cl )
throws ScmException
{
CvsDiffConsumer consumer = new CvsDiffConsumer( getLogger(), cl.getWorkingDirectory() );
CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
try
{
CommandLineUtils.executeCommandLine( cl, consumer, stderr );
}
catch ( CommandLineException ex )
{
throw new ScmException( "Error while executing command.", ex );
}
// TODO: a difference returns a code of "1", as does errors. How to tell the difference?
// if ( exitCode != 0 )
// {
// return new DiffScmResult( cl.toString(), "The cvs command failed.", stderr.getOutput(), false );
// }
return new DiffScmResult( cl.toString(), consumer.getChangedFiles(), consumer.getDifferences(),
consumer.getPatch() );
}
}