fix heads for rev 0 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 fix heads for rev 0 manifest hash: 7b2f4607f6c54b660d63ac35ba953576464e1511 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCofyyywK+sNU5EO8RAjkeAJ4rfOQ9HV+gpndsTzuoS6R3f+mzEQCfcb0P IWhTz6XDpTWEkjzcK++mZ4k= =mINY -----END PGP SIGNATURE-----

--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -159,7 +159,7 @@ class revlog:
     def heads(self):
         p = {}
         h = []
-        for r in range(self.count() - 1, 0, -1):
+        for r in range(self.count() - 1, -1, -1):
             n = self.node(r)
             if n not in p:
                 h.append(n)