Re: [PATCH 0/2] diff: support bare repositories when reading gitattributes for diff algorithm

> If you have a static list of attributes, that is OK (though you are
> presumably better off with /etc/gitattributes or similar that covers all
> repos).
> ...
> but still tell users that "json" is a well-known name, and if they want
> to get the same treatment for an arbitrary file "foo" that they would
> get for "foo.json", they have to add attributes mapping it, like:
>
>   foo diff=json
>
> inside their repo.