package org.apache.maven.scm.provider.git.gitexe.command.remove;
   
   /*
    * 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.ScmResult;
  import org.apache.maven.scm.command.remove.AbstractRemoveCommand;
  import org.apache.maven.scm.command.remove.RemoveScmResult;
  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.gitexe.command.status.GitStatusCommand;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.io.File;
  import java.net.URI;
  import java.util.List;
  
  /**
   * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
   * @author Olivier Lamy
   *
   */
  public class GitRemoveCommand
      extends AbstractRemoveCommand
      implements GitCommand
  {
      /**
       * {@inheritDoc}
       */
      protected ScmResult executeRemoveCommand( ScmProviderRepository repo, ScmFileSet fileSet, String message )
          throws ScmException
      {
  
          if ( fileSet.getFileList().isEmpty() )
          {
              throw new ScmException( "You must provide at least one file/directory to remove" );
          }
  
          Commandline cl = createCommandLine( fileSet.getBasedir(), fileSet.getFileList() );
  
          // git-rm uses repositoryRoot instead of workingDirectory, adjust it with relativeRepositoryPath
          URI relativeRepositoryPath = GitStatusCommand.getRelativeCWD( logger, fileSet );
          GitRemoveConsumer consumer = new GitRemoveConsumer( relativeRepositoryPath );
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          int exitCode;
  
          exitCode = GitCommandLineUtils.execute( cl, consumer, stderr );
          if ( exitCode != 0 )
          {
              return new RemoveScmResult( cl.toString(), "The git command failed.", stderr.getOutput(), false );
          }
  
          return new RemoveScmResult( cl.toString(), consumer.getRemovedFiles() );
      }
  
      public static Commandline createCommandLine( File workingDirectory, List<File> files )
          throws ScmException
      {
          Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "rm" );
  
          for ( File file : files )
          {
              if ( file.isAbsolute() )
              {
                  if ( file.isDirectory() )
                  {
                      cl.createArg().setValue( "-r" );
                      break;
                  }
              }
              else
              {
                  File absFile = new File( workingDirectory, file.getPath() );
                  if ( absFile.isDirectory() )
                  {
                      cl.createArg().setValue( "-r" );
                      break;
                 }
             }
         }
 
         // use this separator to make clear that the following parameters are files and options.
         cl.createArg().setValue( "--" );
 
         GitCommandLineUtils.addTarget( cl, files );
 
         return cl;
     }
 
 }