mercurial/cmdutil.py

--- a/mercurial/cmdutil.py	Tue Feb 16 21:44:13 2016 +0900
+++ b/mercurial/cmdutil.py	Wed Mar 09 23:57:15 2016 +0900
@@ -2206,6 +2206,7 @@
     def formatnode(repo, ctx):
         props['ctx'] = ctx
         props['repo'] = repo
+        props['ui'] = repo.ui
         props['revcache'] = {}
         return templater.stringify(templ('graphnode', **props))
     return formatnode