$OpenBSD: patch-bzrlib_diff_py,v 1.3 2009/09/19 22:08:52 fgsch Exp $
--- bzrlib/diff.py.orig	Mon Sep 14 23:11:06 2009
+++ bzrlib/diff.py	Mon Sep 14 23:11:13 2009
@@ -176,7 +176,7 @@ def external_diff(old_filename, oldlines, new_filename
             # Since we are dealing with an ANSI api, use mbcs encoding
             old_filename = old_filename.encode('mbcs')
             new_filename = new_filename.encode('mbcs')
-        diffcmd = ['diff',
+        diffcmd = ['gdiff',
                    '--label', old_filename,
                    old_abspath,
                    '--label', new_filename,
