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1   package org.apache.maven.scm.provider.git.gitexe.command.remoteinfo;
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 org.apache.maven.scm.CommandParameters;
23  import org.apache.maven.scm.ScmException;
24  import org.apache.maven.scm.ScmFileSet;
25  import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
26  import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
27  import org.apache.maven.scm.provider.ScmProviderRepository;
28  import org.apache.maven.scm.provider.git.command.GitCommand;
29  import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
30  import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
31  import org.codehaus.plexus.util.cli.CommandLineUtils;
32  import org.codehaus.plexus.util.cli.Commandline;
33  
34  /**
35   * @author Bertrand Paquet
36   */
37  public class GitRemoteInfoCommand
38      extends AbstractRemoteInfoCommand
39      implements GitCommand
40  {
41  
42      @Override
43      public RemoteInfoScmResult executeRemoteInfoCommand( ScmProviderRepository repository, ScmFileSet fileSet,
44                                                           CommandParameters parameters )
45          throws ScmException
46      {
47          GitScmProviderRepository gitRepository = (GitScmProviderRepository) repository;
48  
49          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
50  
51          Commandline clLsRemote = createCommandLine( gitRepository );
52  
53          GitRemoteInfoConsumer consumer = new GitRemoteInfoConsumer( getLogger(), clLsRemote.toString() );
54  
55          int exitCode = GitCommandLineUtils.execute( clLsRemote, consumer, stderr, getLogger() );
56          if ( exitCode != 0 )
57          {
58              throw new ScmException( "unbale to execute ls-remote on " + gitRepository.getFetchUrl() );
59          }
60  
61          return consumer.getRemoteInfoScmResult();
62      }
63  
64      // ----------------------------------------------------------------------
65      //
66      // ----------------------------------------------------------------------
67  
68      public static Commandline createCommandLine( GitScmProviderRepository repository )
69      {
70          Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( null, "ls-remote" );
71  
72          cl.setWorkingDirectory( System.getProperty( "java.io.tmpdir" ) );
73  
74          String remoteUrl = repository.getPushUrl();
75          cl.createArg().setValue( remoteUrl );
76  
77          return cl;
78      }
79  
80  }