[PATCH 09 of 10 v2] dirstate: refresh _branch cache entry after writing it

[Idan Kamara]

# HG changeset patch
# User Idan Kamara <idankk86 at gmail.com>
# Date 1355682780 -7200
# Node ID 1aa000c079722a59fb6a83f22f8a7dc513aee912
# Parent  c3254334bda6da3aed066b3208fe4d63427dce2c
dirstate: refresh _branch cache entry after writing it

diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -265,6 +265,12 @@
         try:
             f.write(self._branch + '\n')
             f.close()
+
+            # make sure filecache has the correct stat info for _branch after
+            # replacing the underlying file
+            ce = self._filecache['_branch']
+            if ce:
+                ce.refresh()
         except: # re-raises
             f.discard()
             raise