diff -r b52e8a4f4c0f -r 9bf43a72b49d mercurial/context.py
--- a/mercurial/context.py	Mon Dec 12 13:32:45 2016 +0100
+++ b/mercurial/context.py	Fri Dec 16 21:02:39 2016 +0000
@@ -1991,7 +1991,7 @@
     util.parsedate() and defaults to current date, extra is a dictionary of
     metadata or is left empty.
     """
-    def __new__(cls, repo, path, *args, **kwargs):
+    def __new__(cls, repo, originalctx, *args, **kwargs):
         return super(metadataonlyctx, cls).__new__(cls, repo)
 
     def __init__(self, repo, originalctx, parents, text, user=None, date=None,