# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 2010-02-08 13:52:28
# Node ID 9be6c5900c07eea45b7804200775e5cd52809b84
# Parent  935ef1836b2f6172c1b003fa751a5b327a9bae7e

localrepo: cleanup branch tip computation

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -350,16 +350,12 @@ class localrepository(repo.repository):
         the branch, open heads come before closed'''
         bt = {}
         for bn, heads in self.branchmap().iteritems():
-            head = None
-            for i in range(len(heads)-1, -1, -1):
-                h = heads[i]
+            tip = heads[-1]
+            for h in reversed(heads):
                 if 'close' not in self.changelog.read(h)[5]:
-                    head = h
+                    tip = h
                     break
-            # no open heads were found
-            if head is None:
-                head = heads[-1]
-            bt[bn] = head
+            bt[bn] = tip
         return bt