# HG changeset patch
# User Cesar Mena <cesarmena@gmail.com>
# Date 2012-04-23 01:27:52
# Node ID 72c6240a4b7d294f663007f6dcc5b61c7758f533
# Parent  774e2dcd0a65129f23260c0eae4a855b6bb7ed12

encoding: protect against non-ascii default encoding

If the default python encoding was changed from ascii, the attempt to
encode as ascii before lower() could throw a UnicodeEncodeError.
Catch UnicodeError instead to prevent an unhandled exception.

diff --git a/mercurial/encoding.py b/mercurial/encoding.py
--- a/mercurial/encoding.py
+++ b/mercurial/encoding.py
@@ -169,7 +169,7 @@ def lower(s):
     "best-effort encoding-aware case-folding of local string s"
     try:
         return s.encode('ascii').lower()
-    except UnicodeDecodeError:
+    except UnicodeError:
         pass
     try:
         if isinstance(s, localstr):