1 package org.apache.maven.scm.provider.local.command.update;
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22 import org.apache.maven.scm.ScmException;
23 import org.apache.maven.scm.ScmFile;
24 import org.apache.maven.scm.ScmFileSet;
25 import org.apache.maven.scm.ScmFileStatus;
26 import org.apache.maven.scm.ScmVersion;
27 import org.apache.maven.scm.command.changelog.ChangeLogCommand;
28 import org.apache.maven.scm.command.update.AbstractUpdateCommand;
29 import org.apache.maven.scm.command.update.UpdateScmResult;
30 import org.apache.maven.scm.provider.ScmProviderRepository;
31 import org.apache.maven.scm.provider.local.command.LocalCommand;
32 import org.apache.maven.scm.provider.local.command.changelog.LocalChangeLogCommand;
33 import org.apache.maven.scm.provider.local.metadata.LocalScmMetadata;
34 import org.apache.maven.scm.provider.local.metadata.LocalScmMetadataUtils;
35 import org.apache.maven.scm.provider.local.repository.LocalScmProviderRepository;
36 import org.codehaus.plexus.util.FileUtils;
37
38 import java.io.File;
39 import java.io.IOException;
40 import java.util.ArrayList;
41 import java.util.Iterator;
42 import java.util.List;
43
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47
48 public class LocalUpdateCommand
49 extends AbstractUpdateCommand
50 implements LocalCommand
51 {
52 protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion version )
53 throws ScmException
54 {
55 LocalScmProviderRepository repository = (LocalScmProviderRepository) repo;
56
57 if ( version != null )
58 {
59 throw new ScmException( "The local scm doesn't support tags." );
60 }
61
62 File root = new File( repository.getRoot() );
63
64 String module = repository.getModule();
65
66 File source = new File( root, module );
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68 File baseDestination = fileSet.getBasedir();
69
70 if ( !baseDestination.exists() )
71 {
72 throw new ScmException(
73 "The working directory doesn't exist (" + baseDestination.getAbsolutePath() + ")." );
74 }
75
76 if ( !root.exists() )
77 {
78 throw new ScmException( "The base directory doesn't exist (" + root.getAbsolutePath() + ")." );
79 }
80
81 if ( !source.exists() )
82 {
83 throw new ScmException( "The module directory doesn't exist (" + source.getAbsolutePath() + ")." );
84 }
85
86 if ( !baseDestination.exists() && !baseDestination.isDirectory() )
87 {
88 throw new ScmException( "The destination directory isn't a directory or doesn't exist (" +
89 baseDestination.getAbsolutePath() + ")." );
90 }
91
92 List updatedFiles;
93
94 try
95 {
96 getLogger().info(
97 "Updating '" + baseDestination.getAbsolutePath() + "' from '" + source.getAbsolutePath() + "'." );
98
99 List fileList = FileUtils.getFiles( source.getAbsoluteFile(), "**", null );
100
101 updatedFiles = update( source, baseDestination, fileList );
102
103
104 LocalScmMetadataUtils metadataUtils = new LocalScmMetadataUtils( getLogger() );
105 LocalScmMetadata originalMetadata = metadataUtils.readMetadata( baseDestination );
106 if ( originalMetadata != null )
107 {
108 LocalScmMetadata newMetadata = metadataUtils.buildMetadata( source );
109 for ( Iterator it = originalMetadata.getRepositoryFileNames().iterator(); it.hasNext(); )
110 {
111 String filename = (String) it.next();
112 if ( !newMetadata.getRepositoryFileNames().contains( filename ) )
113 {
114 File localFile = new File( baseDestination, filename );
115 if ( localFile.exists() )
116 {
117 localFile.delete();
118 updatedFiles.add( new ScmFile( "/" + filename, ScmFileStatus.UPDATED ) );
119 }
120 }
121 }
122 }
123
124
125 metadataUtils.writeMetadata( baseDestination, metadataUtils.buildMetadata( source ) );
126
127 }
128 catch ( IOException ex )
129 {
130 throw new ScmException( "Error while checking out the files.", ex );
131 }
132
133 return new LocalUpdateScmResult( null, updatedFiles );
134 }
135
136 private List update( File source, File baseDestination, List files )
137 throws ScmException, IOException
138 {
139 String sourcePath = source.getAbsolutePath();
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141 List updatedFiles = new ArrayList();
142
143 for ( Iterator i = files.iterator(); i.hasNext(); )
144 {
145 File repositoryFile = (File) i.next();
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147 File repositoryDirectory = repositoryFile.getParentFile();
148
149
150 if ( repositoryDirectory != null && repositoryDirectory.getName().equals( "CVS" ) )
151 {
152 continue;
153 }
154
155 String dest = repositoryFile.getAbsolutePath().substring( sourcePath.length() + 1 );
156
157 File destinationFile = new File( baseDestination, dest );
158
159 String repositoryFileContents = FileUtils.fileRead( repositoryFile );
160
161 if ( destinationFile.exists() )
162 {
163 String destionationFileContents = FileUtils.fileRead( destinationFile );
164
165 if ( repositoryFileContents.equals( destionationFileContents ) )
166 {
167 continue;
168 }
169 }
170
171 File destinationDirectory = destinationFile.getParentFile();
172
173 if ( !destinationDirectory.exists() && !destinationDirectory.mkdirs() )
174 {
175 throw new ScmException(
176 "Could not create destination directory '" + destinationDirectory.getAbsolutePath() + "'." );
177 }
178
179 ScmFileStatus status;
180
181 if ( destinationFile.exists() )
182 {
183 status = ScmFileStatus.UPDATED;
184 }
185 else
186 {
187 status = ScmFileStatus.ADDED;
188 }
189
190 FileUtils.copyFileToDirectory( repositoryFile, destinationDirectory );
191
192 int chop = baseDestination.getAbsolutePath().length();
193
194 String fileName = "/" + destinationFile.getAbsolutePath().substring( chop + 1 );
195
196 updatedFiles.add( new ScmFile( fileName, status ) );
197 }
198
199 return updatedFiles;
200 }
201
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204
205 protected ChangeLogCommand getChangeLogCommand()
206 {
207 return new LocalChangeLogCommand();
208 }
209 }