diff hg @ 21812:73e4a02e6d23

hg: add support for HGUNICODEPEDANTRY environment variable

This lets us easily verify that there are no implicit conversions
between unicodes and bytes in Mercurial's codebase. Based on something
mpm did by hand periodically, but it kept regressing, so just open the
door to running it in a buildbot.

--- a/hg	Tue May 27 21:02:16 2014 -0700
+++ b/hg	Mon Jun 23 09:33:07 2014 -0400
@@ -10,6 +10,11 @@
 import os
 import sys
 
+if os.environ.get('HGUNICODEPEDANTRY', False):
+    reload(sys)
+    sys.setdefaultencoding("undefined")
+
+
 libdir = '@LIBDIR@'
 
 if libdir != '@' 'LIBDIR' '@':