package org.apache.maven.shared.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 java.io.File;
  import org.apache.maven.project.MavenProject;
  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.env.ReleaseEnvironment;
  import org.codehaus.plexus.component.annotations.Component;
  
  import java.util.List;
  import org.apache.maven.scm.CommandParameter;
  import org.apache.maven.scm.CommandParameters;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.command.untag.UntagScmResult;
  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.shared.release.scm.ReleaseScmRepositoryException;
  import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;
  import org.apache.maven.shared.release.util.ReleaseUtil;
  import org.codehaus.plexus.component.annotations.Requirement;
  
  /**
   * Remove tag from SCM repository during rollback
   */
  @Component( role = ReleasePhase.class, hint = "remove-scm-tag" )
  public class RemoveScmTagPhase
      extends AbstractReleasePhase
  {
      /**
       * Tool that gets a configured SCM repository from release configuration.
       */
      @Requirement
      private ScmRepositoryConfigurator scmRepositoryConfigurator;
  
      @Override
      public ReleaseResult execute( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,
                                    List<MavenProject> reactorProjects )
          throws ReleaseExecutionException, ReleaseFailureException
      {
          ReleaseResult releaseResult = new ReleaseResult();
  
          validateConfiguration( releaseDescriptor );
  
          logInfo( releaseResult, "Removing tag with the label " + releaseDescriptor.getScmReleaseLabel() + " ..." );
  
          ReleaseDescriptor basedirAlignedReleaseDescriptor =
              ReleaseUtil.createBasedirAlignedReleaseDescriptor( releaseDescriptor, reactorProjects );
  
          ScmRepository repository;
          ScmProvider provider;
          try
          {
              repository =
                  scmRepositoryConfigurator.getConfiguredRepository( basedirAlignedReleaseDescriptor.getScmSourceUrl(),
                                                                     releaseDescriptor,
                                                                     releaseEnvironment.getSettings() );
  
              repository.getProviderRepository().setPushChanges( releaseDescriptor.isPushChanges() );
  
              repository.getProviderRepository().setWorkItem( releaseDescriptor.getWorkItem() );
  
              provider = scmRepositoryConfigurator.getRepositoryProvider( repository );
          }
          catch ( ScmRepositoryException e )
          {
              throw new ReleaseScmRepositoryException( e.getMessage(), e.getValidationMessages() );
          }
          catch ( NoSuchScmProviderException e )
          {
              throw new ReleaseExecutionException( "Unable to configure SCM repository: " + e.getMessage(), e );
          }
  
          UntagScmResult untagScmResult;
          try
          {
             ScmFileSet fileSet = new ScmFileSet( new File( basedirAlignedReleaseDescriptor.getWorkingDirectory() ) );
             String tagName = releaseDescriptor.getScmReleaseLabel();
             String message = releaseDescriptor.getScmCommentPrefix() + "remove tag " + tagName;
             CommandParameters commandParameters = new CommandParameters();
             commandParameters.setString( CommandParameter.TAG_NAME, tagName );
             commandParameters.setString( CommandParameter.MESSAGE, message );
             if ( getLogger().isDebugEnabled() )
             {
                 getLogger().debug(
                     "RemoveScmTagPhase :: scmUntagParameters tagName " + tagName );
                 getLogger().debug(
                     "RemoveScmTagPhase :: scmUntagParameters message " + message );
                 getLogger().debug(
                     "RemoveScmTagPhase :: fileSet  " + fileSet );
             }
             untagScmResult = provider.untag( repository, fileSet, commandParameters );
         }
         catch ( ScmException e )
         {
             throw new ReleaseExecutionException( "An error has occurred in the remove tag process: "
                 + e.getMessage(), e );
         }
 
         if ( !untagScmResult.isSuccess() )
         {
             getLogger().warn( String.format( "Unable to remove tag%nProvider message: %s%nCommand output: %s",
                     untagScmResult.getProviderMessage(), untagScmResult.getCommandOutput() ) );
         }
 
         releaseResult.setResultCode( ReleaseResult.SUCCESS );
 
         return releaseResult;
     }
 
     @Override
     public ReleaseResult simulate( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,
                                    List<MavenProject> reactorProjects )
         throws ReleaseExecutionException, ReleaseFailureException
     {
         ReleaseResult releaseResult = new ReleaseResult();
 
         validateConfiguration( releaseDescriptor );
 
         logInfo( releaseResult, "Full run would remove tag with label: '" + releaseDescriptor.getScmReleaseLabel()
                 + "'" );
 
         releaseResult.setResultCode( ReleaseResult.SUCCESS );
 
         return releaseResult;
     }
 
     private void validateConfiguration( ReleaseDescriptor releaseDescriptor )
         throws ReleaseFailureException
     {
         if ( releaseDescriptor.getScmReleaseLabel() == null )
         {
             throw new ReleaseFailureException( "A release label is required for removal" );
         }
     }
 
 }