# HG changeset patch
# User Idan Kamara <idankk86@gmail.com>
# Date 2011-06-15 20:15:04
# Node ID 001788ef4bbb8aa2ad1f3d5788c0740a17a6560e
# Parent  e4cfdff6d3f40d25eb5a4117112ba4a8e8d7dfb4

localrepo: don't attempt to open .hgtags twice if the error isn't ENOENT

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -272,7 +272,9 @@ class localrepository(repo.repository):
 
         try:
             fp = self.wfile('.hgtags', 'rb+')
-        except IOError:
+        except IOError, e:
+            if e.errno != errno.ENOENT:
+                raise
             fp = self.wfile('.hgtags', 'ab')
         else:
             prevtags = fp.read()