MSOURCES-120 moved reusable code to plexus-archiver PR #121

codehaus-plexus/plexus-archiver#121

Author: hboutemy

src/main/java/org/apache/maven/plugins/source/AbstractSourceJarMojo.java

@@ -23,9 +23,6 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Calendar;
-import java.util.Comparator;
-import java.util.Date;
 import java.util.List;
 
 import org.apache.maven.archiver.MavenArchiveConfiguration;
@@ -285,28 +282,7 @@ protected void packageSources( List<MavenProject> theProjects )
         if ( sourceDateEpoch != 0 )
         {
             // configure for Reproducible Builds based on source date epoch value
-            JarArchiver j = archiver.getArchiver();
-
-            // 1. force timestamp of zip entries (at zip storage level, that ignores timezone)
-            Calendar cal = Calendar.getInstance();
-            long zipTime =
-                1000L * sourceDateEpoch - ( cal.get( Calendar.ZONE_OFFSET ) + cal.get( Calendar.DST_OFFSET ) );
-            j.setLastModifiedDate( new Date( zipTime ) );
-
-            // 2. sort filenames in each directory when scanning filesystem
-            j.setFilenameComparator( new Comparator<String>()
-            {
-                @Override
-                public int compare( String s1, String s2 )
-                {
-                    return s1.compareTo( s2 );
-                }
-            } );
-
-            // 3. ignore file/directory mode from filesystem, since they may vary based on local user umask
-            // notice: this overrides execute bit on Unix (that is already ignored on Windows)
-            j.setFileMode( Archiver.DEFAULT_FILE_MODE ); 
-            j.setDirectoryMode( Archiver.DEFAULT_DIR_MODE );
+            archiver.getArchiver().configureReproducible( sourceDateEpoch );
         }
 
         for ( MavenProject pItem : theProjects )