001package org.apache.maven.scm.provider.hg.command.checkout;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.scm.ScmException;
023import org.apache.maven.scm.ScmFileSet;
024import org.apache.maven.scm.ScmResult;
025import org.apache.maven.scm.ScmVersion;
026import org.apache.maven.scm.command.Command;
027import org.apache.maven.scm.command.checkout.AbstractCheckOutCommand;
028import org.apache.maven.scm.command.checkout.CheckOutScmResult;
029import org.apache.maven.scm.provider.ScmProviderRepository;
030import org.apache.maven.scm.provider.hg.HgUtils;
031import org.apache.maven.scm.provider.hg.command.HgCommandConstants;
032import org.apache.maven.scm.provider.hg.command.HgConsumer;
033import org.apache.maven.scm.provider.hg.repository.HgScmProviderRepository;
034import org.codehaus.plexus.util.FileUtils;
035import org.codehaus.plexus.util.StringUtils;
036
037import java.io.File;
038import java.io.IOException;
039import java.util.ArrayList;
040import java.util.List;
041
042/**
043 * @author <a href="mailto:thurner.rupert@ymono.net">thurner rupert</a>
044 * @author Olivier Lamy
045 *
046 */
047public class HgCheckOutCommand
048    extends AbstractCheckOutCommand
049    implements Command
050{
051    /**
052     * {@inheritDoc}
053     */
054    protected CheckOutScmResult executeCheckOutCommand( ScmProviderRepository repo, ScmFileSet fileSet,
055                                                        ScmVersion scmVersion, boolean recursive )
056        throws ScmException
057    {
058        HgScmProviderRepository repository = (HgScmProviderRepository) repo;
059        String url = repository.getURI();
060
061        File checkoutDir = fileSet.getBasedir();
062        try
063        {
064            if ( getLogger().isInfoEnabled() )
065            {
066                getLogger().info( "Removing " + checkoutDir );
067            }
068            FileUtils.deleteDirectory( checkoutDir );
069        }
070        catch ( IOException e )
071        {
072            throw new ScmException( "Cannot remove " + checkoutDir );
073        }
074
075        // Do the actual checkout
076        List<String> cmdList = new ArrayList<String>();
077        if ( repo.isPushChanges() )
078        {
079            cmdList.add( HgCommandConstants.CLONE_CMD );
080        }
081        else
082        {
083            cmdList.add( HgCommandConstants.UPDATE_CMD );
084        }
085        if ( scmVersion != null && !StringUtils.isEmpty( scmVersion.getName() ) )
086        {
087            cmdList.add( HgCommandConstants.REVISION_OPTION );
088            cmdList.add( scmVersion.getName() );
089        }
090        if ( !repo.isPushChanges() )
091        {
092            cmdList.add( HgCommandConstants.CLEAN_OPTION );
093        }
094        cmdList.add( url );
095        cmdList.add( checkoutDir.getAbsolutePath() );
096        String[] checkoutCmd = cmdList.toArray( new String[0] );
097        HgConsumer checkoutConsumer = new HgConsumer( getLogger() );
098        HgUtils.execute( checkoutConsumer, getLogger(), checkoutDir.getParentFile(), checkoutCmd );
099
100        // Do inventory to find list of checkedout files
101        String[] inventoryCmd = new String[]{ HgCommandConstants.INVENTORY_CMD };
102        HgCheckOutConsumer consumer = new HgCheckOutConsumer( getLogger(), checkoutDir );
103        ScmResult result = HgUtils.execute( consumer, getLogger(), checkoutDir, inventoryCmd );
104
105        return new CheckOutScmResult( consumer.getCheckedOutFiles(), result );
106    }
107}