# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@logilab.fr>
# Date 2012-10-15 15:42:40
# Node ID ac5c9c8046f72883b7532ed06571b85624b284be
# Parent  73e1ab39792c6c1887bcf594114ad0b9d01bfc2e

clfilter: use changelog to iterate over the repo in branchpoint

Otherwise filtered changesets may cause false positives in `branchpoint()`.

diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -929,7 +929,7 @@ def branchpoint(repo, subset, x):
         return []
     baserev = min(subset)
     parentscount = [0]*(len(repo) - baserev)
-    for r in xrange(baserev + 1, len(repo)):
+    for r in cl.revs(start=baserev + 1):
         for p in cl.parentrevs(r):
             if p >= baserev:
                 parentscount[p - baserev] += 1