diff -r 4d43851cb4d2 java.source/src/org/netbeans/modules/java/source/usages/RepositoryUpdater.java
--- a/java.source/src/org/netbeans/modules/java/source/usages/RepositoryUpdater.java	Thu Aug 28 13:02:25 2008 +0400
+++ b/java.source/src/org/netbeans/modules/java/source/usages/RepositoryUpdater.java	Thu Aug 28 13:58:01 2008 +0200
@@ -2831,7 +2831,8 @@
                         return;
                     }
                 }
-                ensureAttributeValue(rootUrl, DIGEST, printDigest(digest), true);
+                boolean dirty = (data == null || getAttribute(rootUrl, DIRTY_ROOT, null) != null) ? true : false;
+                ensureAttributeValue(rootUrl, DIGEST, printDigest(digest), dirty);
             } catch (IOException e) {
             } catch (NoSuchAlgorithmException ex) {
                 Exceptions.printStackTrace(ex);