package org.apache.maven.continuum.release.phase;
   
   /*
    * 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.ScmVersion;
  import org.apache.maven.scm.command.update.UpdateScmResult;
  import org.apache.maven.scm.manager.NoSuchScmProviderException;
  import org.apache.maven.scm.provider.ScmProvider;
  import org.apache.maven.scm.repository.ScmRepository;
  import org.apache.maven.scm.repository.ScmRepositoryException;
  import org.apache.maven.settings.Settings;
  import org.apache.maven.shared.release.ReleaseExecutionException;
  import org.apache.maven.shared.release.ReleaseFailureException;
  import org.apache.maven.shared.release.ReleaseResult;
  import org.apache.maven.shared.release.config.ReleaseDescriptor;
  import org.apache.maven.shared.release.phase.AbstractReleasePhase;
  import org.apache.maven.shared.release.scm.ReleaseScmCommandException;
  import org.apache.maven.shared.release.scm.ReleaseScmRepositoryException;
  import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;
  
  import java.io.File;
  import java.util.List;
  
  /**
   * Update working copy
   *
   * @author Edwin Punzalan
   * @version $Id: UpdateWorkingCopyPhase.java 729313 2008-12-24 13:41:11Z olamy $
   */
  public class UpdateWorkingCopyPhase
      extends AbstractReleasePhase
  {
      /**
       * Tool that gets a configured SCM repository from release configuration.
       */
      private ScmRepositoryConfigurator scmRepositoryConfigurator;
  
      private boolean copyUpdated = false;
  
      public ReleaseResult execute( ReleaseDescriptor releaseDescriptor, Settings settings, List reactorProjects )
          throws ReleaseExecutionException, ReleaseFailureException
      {
          ReleaseResult relResult = new ReleaseResult();
  
          logInfo( relResult, "Updating local copy against the scm..." );
  
          ScmRepository repository;
          ScmProvider provider;
          try
          {
              repository = scmRepositoryConfigurator.getConfiguredRepository( releaseDescriptor, settings );
  
              provider = scmRepositoryConfigurator.getRepositoryProvider( repository );
          }
          catch ( ScmRepositoryException e )
          {
              throw new ReleaseScmRepositoryException(
                  e.getMessage() + " for URL: " + releaseDescriptor.getScmSourceUrl(), e.getValidationMessages() );
          }
          catch ( NoSuchScmProviderException e )
          {
              throw new ReleaseExecutionException( "Unable to configure SCM repository: " + e.getMessage(), e );
          }
  
          UpdateScmResult result;
          try
          {
              result = provider.update( repository, new ScmFileSet( new File( releaseDescriptor.getWorkingDirectory() ) ),
                                        (ScmVersion) null );
          }
          catch ( ScmException e )
          {
              throw new ReleaseExecutionException( "An error occurred while updating your local copy: " + e.getMessage(),
                                                   e );
          }
  
          if ( !result.isSuccess() )
          {
              throw new ReleaseScmCommandException( "Unable to update current working copy", result );
          }
 
         copyUpdated = ( result.getUpdatedFiles().size() > 0 );
 
         relResult.setResultCode( ReleaseResult.SUCCESS );
 
         return relResult;
     }
 
     public ReleaseResult simulate( ReleaseDescriptor releaseDescriptor, Settings settings, List reactorProjects )
         throws ReleaseExecutionException, ReleaseFailureException
     {
         return execute( releaseDescriptor, settings, reactorProjects );
     }
 
     public boolean isCopyUpdated()
     {
         return copyUpdated;
     }
 
     public void setCopyUpdated( boolean copyUpdated )
     {
         this.copyUpdated = copyUpdated;
     }
 }