package org.apache.maven.scm.provider.git.gitexe.command.list;
   
   /*
    * 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.ScmFileStatus;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.list.AbstractListCommand;
  import org.apache.maven.scm.command.list.ListScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.git.command.GitCommand;
  import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
  import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.io.File;
  
  /**
   * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
   *
   */
  public class GitListCommand
      extends AbstractListCommand
      implements GitCommand
  {
      /** {@inheritDoc} */
      protected ListScmResult executeListCommand( ScmProviderRepository repo, ScmFileSet fileSet, boolean recursive,
                                                  ScmVersion scmVersion )
          throws ScmException
      {
          GitScmProviderRepository repository = (GitScmProviderRepository) repo;
  
          if ( GitScmProviderRepository.PROTOCOL_FILE.equals( repository.getFetchInfo().getProtocol() )
              && repository.getFetchInfo().getPath().indexOf( fileSet.getBasedir().getPath() ) >= 0 )
          {
              throw new ScmException( "remote repository must not be the working directory" );
          }
  
          int exitCode;
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
          GitListConsumer consumer = new GitListConsumer( getLogger(), fileSet.getBasedir().getParentFile(),
                                                          ScmFileStatus.CHECKED_IN );
  
          Commandline cl = createCommandLine( repository, fileSet.getBasedir() );
  
          exitCode = GitCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
          if ( exitCode != 0 )
          {
              return new ListScmResult( cl.toString(), "The git-ls-files command failed.", stderr.getOutput(), false );
          }
  
          return new ListScmResult( cl.toString(), consumer.getListedFiles() );
      }
  
      // ----------------------------------------------------------------------
      //
      // ----------------------------------------------------------------------
  
      public static Commandline createCommandLine( GitScmProviderRepository repository, File workingDirectory )
      {
          Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "ls-files" );
  
          return cl;
      }
  
  }