From ddd32effba2961007e2ecab0abc058ab00836c3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20Borgstr=C3=B6m?= <jonas@borgstrom.se>
Date: Sun, 18 Apr 2010 22:51:54 +0200
Subject: [PATCH] Fixed a chunk refcounting bug

---
 dedupestore/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dedupestore/cache.py b/dedupestore/cache.py
index f425d33af..4b91e7892 100644
--- a/dedupestore/cache.py
+++ b/dedupestore/cache.py
@@ -82,7 +82,7 @@ class Cache(object):
 
     def init_chunk(self, id, sum, csize, osize):
         self.chunkmap[id] = (1, sum, osize, csize)
-        self.summap.setdefault(sum, 1)
+        self.summap[sum] = self.summap.get(sum, 0) + 1
         return id, sum, csize, osize
 
     def seen_chunk(self, id):