diff -r ddddb76f2da3 -r f1c5294e9119 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Thu Feb 10 13:46:28 2011 -0600
+++ b/mercurial/localrepo.py	Thu Feb 10 13:46:28 2011 -0600
@@ -1891,6 +1891,10 @@
                 self.hook("incoming", node=hex(cl.node(i)),
                           source=srctype, url=url)
 
+        # FIXME - why does this care about tip?
+        if newheads == oldheads:
+            bookmarks.update(self, self.dirstate.parents(), self['tip'].node())
+
         # never return 0 here:
         if newheads < oldheads:
             return newheads - oldheads - 1