package org.apache.maven.scm.provider.hg.command.tag;

 /*

  * 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 java.util.ArrayList;

 import java.util.List;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFile;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmFileStatus;

 import org.apache.maven.scm.ScmResult;

 import org.apache.maven.scm.ScmTagParameters;

 import org.apache.maven.scm.command.Command;

 import org.apache.maven.scm.command.tag.AbstractTagCommand;

 import org.apache.maven.scm.command.tag.TagScmResult;

 import org.apache.maven.scm.provider.ScmProviderRepository;

 import org.apache.maven.scm.provider.hg.HgUtils;

 import org.apache.maven.scm.provider.hg.command.HgCommandConstants;

 import org.apache.maven.scm.provider.hg.command.HgConsumer;

 import org.apache.maven.scm.provider.hg.command.inventory.HgListConsumer;

 import org.apache.maven.scm.provider.hg.repository.HgScmProviderRepository;

 import org.codehaus.plexus.util.StringUtils;

 /**

  * Tag

  *

  * @author <a href="mailto:ryan@darksleep.com">ryan daum</a>

  * @author Olivier Lamy

  * @version $Id: HgTagCommand.java 1306867 2012-03-29 13:45:10Z olamy $

  */

 public class HgTagCommand

     extends AbstractTagCommand

     implements Command

 {

     protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,

                                            String message )

         throws ScmException

     {

         return executeTagCommand( scmProviderRepository, fileSet, tag, new ScmTagParameters( message ) );

     }

     /**

      * {@inheritDoc}

      */

     protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,

                                            ScmTagParameters scmTagParameters )

         throws ScmException

     {

         if ( tag == null || StringUtils.isEmpty( tag.trim() ) )

         {

             throw new ScmException( "tag must be specified" );

         }

         if ( !fileSet.getFileList().isEmpty() )

         {

             throw new ScmException( "This provider doesn't support tagging subsets of a directory : " + fileSet.getFileList() );

         }

         File workingDir = fileSet.getBasedir();

         // build the command

         String[] tagCmd =

             new String[]{ HgCommandConstants.TAG_CMD, HgCommandConstants.MESSAGE_OPTION, scmTagParameters.getMessage(),

                 tag };

         // keep the command about in string form for reporting

         StringBuilder cmd = joinCmd( tagCmd );

         HgTagConsumer consumer = new HgTagConsumer( getLogger() );

         ScmResult result = HgUtils.execute( consumer, getLogger(), workingDir, tagCmd );

         HgScmProviderRepository repository = (HgScmProviderRepository) scmProviderRepository;

         if ( result.isSuccess() )

         {

             // now push

             // Push to parent branch if any

             if ( repository.isPushChanges() )

             {

                 if ( !repository.getURI().equals( fileSet.getBasedir().getAbsolutePath() ) )

                 {

                     String branchName = HgUtils.getCurrentBranchName( getLogger(), workingDir );

                     boolean differentOutgoingBranch =

                         HgUtils.differentOutgoingBranchFound( getLogger(), workingDir, branchName );

                     String[] pushCmd = new String[]{ HgCommandConstants.PUSH_CMD,

                         differentOutgoingBranch ? HgCommandConstants.REVISION_OPTION + branchName : null,

                         repository.getURI() };

                     result =

                         HgUtils.execute( new HgConsumer( getLogger() ), getLogger(), fileSet.getBasedir(), pushCmd );

                 }

             }

         }

         else

         {

             throw new ScmException( "Error while executing command " + cmd.toString() );

         }

         // do an inventory to return the files tagged (all of them)

         String[] listCmd = new String[]{ HgCommandConstants.INVENTORY_CMD };

         HgListConsumer listconsumer = new HgListConsumer( getLogger() );

         result = HgUtils.execute( listconsumer, getLogger(), fileSet.getBasedir(), listCmd );

         if ( result.isSuccess() )

         {

             List<ScmFile> files = listconsumer.getFiles();

             List<ScmFile> fileList = new ArrayList<ScmFile>();

             for ( ScmFile f : files )

             {

                 if ( !f.getPath().endsWith( ".hgtags" ) )

                 {

                     fileList.add( new ScmFile( f.getPath(), ScmFileStatus.TAGGED ) );

                 }

             }

             return new TagScmResult( fileList, result );

         }

         else

         {

             throw new ScmException( "Error while executing command " + cmd.toString() );

         }

     }

     private StringBuilder joinCmd( String[] cmd )

     {

         StringBuilder result = new StringBuilder();

         for ( int i = 0; i < cmd.length; i++ )

         {

             String s = cmd[i];

             result.append( s );

             if ( i < cmd.length - 1 )

             {

                 result.append( " " );

             }

         }

         return result;

     }

 }