shelve: publicancestors do not have to visit nullrev
Not visiting nullrev seems more correct and might be a minor optimization.
--- a/hgext/shelve.py Mon Feb 10 00:52:16 2014 +0100
+++ b/hgext/shelve.py Mon Feb 10 00:52:46 2014 +0100
@@ -22,7 +22,7 @@
"""
from mercurial.i18n import _
-from mercurial.node import nullid, bin, hex
+from mercurial.node import nullid, nullrev, bin, hex
from mercurial import changegroup, cmdutil, scmutil, phases
from mercurial import error, hg, mdiff, merge, patch, repair, util
from mercurial import templatefilters
@@ -125,7 +125,7 @@
"""Compute the heads of the public ancestors of a commit.
Much faster than the revset heads(ancestors(ctx) - draft())"""
- seen = set()
+ seen = set([nullrev])
visit = util.deque()
visit.append(ctx)
while visit: