# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1442682738 25200
# Node ID 59bbf4358a76fcd3e71f04cea8bfd5037a01d04c
# Parent  6a40510578f6680b00171aa0395514e338faa69c
Fix some unicode interop problem in the Mercurial SCM.

diff -r 6a40510578f6 -r 59bbf4358a76 wikked/scm/mercurial.py
--- a/wikked/scm/mercurial.py	Thu Sep 17 23:01:48 2015 -0700
+++ b/wikked/scm/mercurial.py	Sat Sep 19 10:12:18 2015 -0700
@@ -311,6 +311,8 @@
         return _s(self.client.cat(_b([path]), rev=_b(rev)))
 
     def diff(self, path, rev1, rev2):
+        if path is None:
+            return _s(self.client.diff(change=rev1, git=True))
         if rev2 is None:
             return _s(self.client.diff(files=_b([path]), change=rev1,
                                        git=True))