# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2012-04-14 03:55:46
# Node ID b50fee9a2dad229ee9fd493757f5d7fd8b74a3b9
# Parent  70bf4dc52c91575c1a214c5eab4038ba129dcec2

changegroupsubset: optimize function lookup in prune

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1833,8 +1833,9 @@ class localrepository(repo.repository):
 
         # filter any nodes that claim to be part of the known set
         def prune(revlog, missing):
+            rr, rl = revlog.rev, revlog.linkrev
             return [n for n in missing
-                    if revlog.linkrev(revlog.rev(n)) not in commonrevs]
+                    if rl(rr(n)) not in commonrevs]
 
         progress = self.ui.progress
         _bundling = _('bundling')