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1   package org.apache.maven.scm.provider.git.gitexe.command.status;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   * http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.File;
23  import java.net.URI;
24  
25  import org.apache.maven.scm.ScmException;
26  import org.apache.maven.scm.ScmFileSet;
27  import org.apache.maven.scm.command.status.AbstractStatusCommand;
28  import org.apache.maven.scm.command.status.StatusScmResult;
29  import org.apache.maven.scm.provider.ScmProviderRepository;
30  import org.apache.maven.scm.provider.git.command.GitCommand;
31  import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
32  import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
33  import org.codehaus.plexus.util.cli.CommandLineUtils;
34  import org.codehaus.plexus.util.cli.Commandline;
35  
36  /**
37   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
38   *
39   */
40  public class GitStatusCommand
41      extends AbstractStatusCommand
42      implements GitCommand
43  {
44      /** {@inheritDoc} */
45      protected StatusScmResult executeStatusCommand( ScmProviderRepository repo, ScmFileSet fileSet )
46          throws ScmException
47      {
48      	Commandline clRevparse = createRevparseShowToplevelCommand(fileSet);
49      	
50      	CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
51          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
52  
53          URI relativeRepositoryPath = null;
54          
55          int exitCode;
56  
57          exitCode = GitCommandLineUtils.execute( clRevparse, stdout, stderr, getLogger() );
58          if ( exitCode != 0 )
59          {
60              // git-status returns non-zero if nothing to do
61              if ( getLogger().isInfoEnabled() )
62              {
63                  getLogger().info( "Could not resolve toplevel" );
64              }
65          }
66          else
67          {
68              relativeRepositoryPath = GitStatusConsumer.resolveURI( stdout.getOutput().trim(), fileSet.getBasedir().toURI() ); 
69          }
70      	
71          Commandline cl = createCommandLine( (GitScmProviderRepository) repo, fileSet );
72  
73          GitStatusConsumer consumer = new GitStatusConsumer( getLogger(), fileSet.getBasedir(), relativeRepositoryPath );
74  
75          stderr = new CommandLineUtils.StringStreamConsumer();
76  
77          exitCode = GitCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
78          if ( exitCode != 0 )
79          {
80              // git-status returns non-zero if nothing to do
81              if ( getLogger().isInfoEnabled() )
82              {
83                  getLogger().info( "nothing added to commit but untracked files present (use \"git add\" to track)" );
84              }
85          }
86  
87          return new StatusScmResult( cl.toString(), consumer.getChangedFiles() );
88      }
89  
90      // ----------------------------------------------------------------------
91      //
92      // ----------------------------------------------------------------------
93  
94      public static Commandline createCommandLine( GitScmProviderRepository repository, ScmFileSet fileSet )
95      {
96          Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "status" );
97          cl.addArguments( new String[] { "--porcelain", "." } );
98          return cl;
99      }
100     
101     public static Commandline createRevparseShowToplevelCommand( ScmFileSet fileSet )
102     {
103         Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "rev-parse" );
104         cl.addArguments( new String[] { "--show-toplevel" } );
105         return cl;
106     }
107 }