1 package org.apache.maven.scm.provider.git.gitexe.command.update;
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22 import java.io.File;
23
24 import org.apache.maven.scm.ScmBranch;
25 import org.apache.maven.scm.ScmException;
26 import org.apache.maven.scm.ScmFileSet;
27 import org.apache.maven.scm.ScmVersion;
28 import org.apache.maven.scm.command.changelog.ChangeLogCommand;
29 import org.apache.maven.scm.command.update.AbstractUpdateCommand;
30 import org.apache.maven.scm.command.update.UpdateScmResult;
31 import org.apache.maven.scm.command.update.UpdateScmResultWithRevision;
32 import org.apache.maven.scm.provider.ScmProviderRepository;
33 import org.apache.maven.scm.provider.git.command.GitCommand;
34 import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils;
35 import org.apache.maven.scm.provider.git.gitexe.command.changelog.GitChangeLogCommand;
36 import org.apache.maven.scm.provider.git.gitexe.command.diff.GitDiffCommand;
37 import org.apache.maven.scm.provider.git.gitexe.command.diff.GitDiffRawConsumer;
38 import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
39 import org.codehaus.plexus.util.cli.CommandLineUtils;
40 import org.codehaus.plexus.util.cli.Commandline;
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48 public class GitUpdateCommand
49 extends AbstractUpdateCommand
50 implements GitCommand
51 {
52
53 protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet,
54 ScmVersion scmVersion )
55 throws ScmException
56 {
57 GitScmProviderRepository repository = (GitScmProviderRepository) repo;
58
59 if ( GitScmProviderRepository.PROTOCOL_FILE.equals( repository.getFetchInfo().getProtocol() )
60 && repository.getFetchInfo().getPath().indexOf( fileSet.getBasedir().getPath() ) >= 0 )
61 {
62 throw new ScmException( "remote repository must not be the working directory" );
63 }
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65 int exitCode;
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67 CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
68 CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
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71 Commandline clRev = createLatestRevisionCommandLine( repository, fileSet.getBasedir(), scmVersion );
72 GitLatestRevisionCommandConsumer consumerRev = new GitLatestRevisionCommandConsumer();
73 exitCode = GitCommandLineUtils.execute( clRev, consumerRev, stderr );
74 if ( exitCode != 0 )
75 {
76 return new UpdateScmResult( clRev.toString(), "The git-log command failed.",
77 stderr.getOutput(), false );
78 }
79 String origSha1 = consumerRev.getLatestRevision();
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81 Commandline cl = createCommandLine( repository, fileSet.getBasedir(), scmVersion );
82 exitCode = GitCommandLineUtils.execute( cl, stdout, stderr );
83 if ( exitCode != 0 )
84 {
85 return new UpdateScmResult( cl.toString(), "The git-pull command failed.",
86 stderr.getOutput(), false );
87 }
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90 GitDiffRawConsumer diffRawConsumer = new GitDiffRawConsumer();
91 Commandline clDiffRaw = GitDiffCommand.createDiffRawCommandLine( fileSet.getBasedir(), origSha1 );
92 exitCode = GitCommandLineUtils.execute( clDiffRaw, diffRawConsumer, stderr );
93 if ( exitCode != 0 )
94 {
95 return new UpdateScmResult( clDiffRaw.toString(), "The git-diff --raw command failed.",
96 stderr.getOutput(), false );
97 }
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101 consumerRev = new GitLatestRevisionCommandConsumer();
102 exitCode = GitCommandLineUtils.execute( clRev, consumerRev, stderr );
103 if ( exitCode != 0 )
104 {
105 return new UpdateScmResult( clRev.toString(), "The git-log command failed.",
106 stderr.getOutput(), false );
107 }
108 String latestRevision = consumerRev.getLatestRevision();
109
110 return new UpdateScmResultWithRevision( cl.toString(), diffRawConsumer.getChangedFiles(), latestRevision );
111 }
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114 protected ChangeLogCommand getChangeLogCommand()
115 {
116 return new GitChangeLogCommand();
117 }
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122 public static Commandline createCommandLine( GitScmProviderRepository repository, File workingDirectory,
123 ScmVersion scmVersion )
124 {
125 Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "pull" );
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127 cl.createArg().setLine( repository.getFetchUrl() );
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130 if ( scmVersion instanceof ScmBranch )
131 {
132 cl.createArg().setLine( scmVersion.getName() );
133 }
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135 return cl;
136 }
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142 public static Commandline createLatestRevisionCommandLine( GitScmProviderRepository repository,
143 File workingDirectory, ScmVersion scmVersion )
144 {
145 Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "log" );
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148 cl.createArg().setValue( "-n1" );
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151 cl.createArg().setValue( "--date-order" );
152
153 if ( scmVersion != null && scmVersion instanceof ScmBranch && scmVersion.getName() != null
154 && scmVersion.getName().length() > 0 )
155 {
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157 cl.createArg().setValue( scmVersion.getName() );
158 }
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161 return cl;
162 }
163 }