[PATCH V3] check-code: add rule to detect usage of external diff via extdiff

[Yuya Nishihara]

On Thu, 11 Feb 2016 02:22:25 +0900, FUJIWARA Katsunori wrote:
> # HG changeset patch
> # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> # Date 1455124545 -32400
> #      Thu Feb 11 02:15:45 2016 +0900
> # Node ID d4eda799aa2943c3e6ce077a9b71ec20e93817be
> # Parent  ff42887a888bdeaf5caedd7466ce8e2d9bdd12bd
> check-code: add rule to detect usage of external diff via extdiff

Pushed to the clowncopter, thanks.