[PATCH 2 of 3] ui: providing no default value to configpath should not raise an Error

[Simon Heimberg]

# HG changeset patch
# User Simon Heimberg <simohe at besonet.ch>
# Date 1311394132 -7200
# Node ID d7473025ba6f336137eeb3dc23447ebe81159012
# Parent  7acbb94c083e2daf98ee2406ccd8f8d087eb85bb
ui: providing no default value to configpath should not raise an Error

diff -r 7acbb94c083e -r d7473025ba6f mercurial/ui.py
--- a/mercurial/ui.py	Sam Jul 23 06:08:49 2011 +0200
+++ b/mercurial/ui.py	Sam Jul 23 06:08:52 2011 +0200
@@ -166,6 +166,8 @@
     def configpath(self, section, name, default=None, untrusted=False):
         'get a path config item, expanded relative to config file'
         v = self.config(section, name, default, untrusted)
+        if v is None:
+            return None
         if not os.path.isabs(v) or "://" not in v:
             src = self.configsource(section, name, untrusted)
             if ':' in src: