View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.scm.provider.git.gitexe.command.remoteinfo;
20  
21  import java.util.Map;
22  
23  import org.apache.maven.scm.CommandParameters;
24  import org.apache.maven.scm.ScmException;
25  import org.apache.maven.scm.ScmFileSet;
26  import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
27  import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
28  import org.apache.maven.scm.provider.ScmProviderRepository;
29  import org.apache.maven.scm.provider.git.command.GitCommand;
30  import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
31  import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
32  import org.codehaus.plexus.util.cli.CommandLineUtils;
33  import org.codehaus.plexus.util.cli.Commandline;
34  
35  /**
36   * @author Bertrand Paquet
37   */
38  public class GitRemoteInfoCommand extends AbstractRemoteInfoCommand implements GitCommand {
39      private final Map<String, String> environmentVariables;
40  
41      public GitRemoteInfoCommand(Map<String, String> environmentVariables) {
42          super();
43          this.environmentVariables = environmentVariables;
44      }
45  
46      @Override
47      public RemoteInfoScmResult executeRemoteInfoCommand(
48              ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters) throws ScmException {
49          GitScmProviderRepository gitRepository = (GitScmProviderRepository) repository;
50  
51          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
52  
53          Commandline clLsRemote = createCommandLine(gitRepository);
54  
55          GitRemoteInfoConsumer consumer = new GitRemoteInfoConsumer(clLsRemote.toString());
56  
57          int exitCode = GitCommandLineUtils.execute(clLsRemote, consumer, stderr);
58          if (exitCode != 0) {
59              throw new ScmException("unable to execute ls-remote on " + gitRepository.getFetchUrl());
60          }
61  
62          return consumer.getRemoteInfoScmResult();
63      }
64  
65      // ----------------------------------------------------------------------
66      //
67      // ----------------------------------------------------------------------
68  
69      public Commandline createCommandLine(GitScmProviderRepository repository) {
70          Commandline cl = GitCommandLineUtils.getBaseGitCommandLine(null, "ls-remote", repository, environmentVariables);
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  }