# HG changeset patch
# User Bryan O'Sullivan <bryano@fb.com>
# Date 2012-06-25 22:14:06
# Node ID d592759aabc7f1675a6c9c7b287219f8265ced10
# Parent  54da604fefee8f10bab61e4e420050e86114ef43

store: abstract out how we retrieve a file's size

diff --git a/mercurial/store.py b/mercurial/store.py
--- a/mercurial/store.py
+++ b/mercurial/store.py
@@ -391,15 +391,16 @@ class fncachestore(basicstore):
     def join(self, f):
         return self.path + '/' + self.encode(f)
 
+    def getsize(self, path):
+        return os.stat(self.path + '/' + path).st_size
+
     def datafiles(self):
         rewrite = False
         existing = []
-        spath = self.path
         for f in self.fncache:
             ef = self.encode(f)
             try:
-                st = os.stat(spath + '/' + ef)
-                yield f, ef, st.st_size
+                yield f, ef, self.getsize(ef)
                 existing.append(f)
             except OSError:
                 # nonexistent entry