From 001a4d567d9ada65512799baaa5725916bfd9895 Mon Sep 17 00:00:00 2001
From: Brendan Cully <brendan@kublai.com>
Date: Wed, 18 May 2011 00:31:40 -0700
Subject: [PATCH] Only fetch objects that are not already present.

fetch_pack was needlessly walking every ref even when the refs were already
known locally.
---
 hggit/git_handler.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hggit/git_handler.py b/hggit/git_handler.py
index 49fe6806f0..888097a924 100644
--- a/hggit/git_handler.py
+++ b/hggit/git_handler.py
@@ -667,6 +667,7 @@ class GitHandler(object):
             else:
                 want = [sha for ref, sha in refs.iteritems()
                         if not ref.endswith('^{}')]
+            want = [x for x in want if x not in self.git]
             return want
         f, commit = self.git.object_store.add_pack()
         try: