[FIXED HUDSON-3227] Do not archive empty directories.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@16026 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/FilePath.java

@@ -942,6 +942,7 @@ public final class FilePath implements Serializable {
                         CopyImpl copyTask = new CopyImpl();
                         copyTask.setTodir(new File(target.remote));
                         copyTask.addFileset(Util.createFileSet(base,fileMask,excludes));
+                        copyTask.setIncludeEmptyDirs(false);
 
                         copyTask.execute();
                         return copyTask.getNumCopied();