diff -r 4c1aa6affe60 -r c0c4c7b1e8d3 mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py	Tue Mar 11 17:42:26 2008 -0500
+++ b/mercurial/bundlerepo.py	Tue Mar 11 17:42:29 2008 -0500
@@ -48,7 +48,8 @@
                 continue
             for p in (p1, p2):
                 if not p in self.nodemap:
-                    raise revlog.LookupError(hex(p1), _("unknown parent %s") % short(p1))
+                    raise revlog.LookupError(p1, self.indexfile,
+                                             _("unknown parent"))
             if linkmapper is None:
                 link = n
             else: