"Good PR" mechanical check

[Rikki Cattermole via Digitalmars-d]

On 13/01/16 2:34 AM, Andrei Alexandrescu wrote:
> Related to https://github.com/D-Programming-Language/dlang.org/pull/1191:
>
> A friend who is in the GNU community told me a while ago they have a
> mechanical style checker that people can run against their proposed
> patches to make sure the patches have a style consistent with the one
> enforced by the GNU style. I forgot the name, something like
> "good-patch". I'll shoot him an email.
>
> Similarly, I think it would help us to release a tool in the tools/ repo
> that analyzes a would-be Phobos pull request and ensures it's styled the
> same way as most of Phobos: braces on their own lines, whitespace
> inserted a specific way, no hard tabs, etc. etc. Then people can run the
> tool before even submitting a PR to make sure there's no problem of that
> kind.
>
> Over the years I've developed some adaptability to style, and I can do
> Phobos' style no problem even though it wouldn't be my first preference
> (I favor Egyptian braces). But seeing a patchwork of styles within the
> same project, same file, and sometimes even the same pull request is
> quite jarring at least to me.
>
> Who would like to embark on writing such a tool?
>
>
> Thanks,
>
> Andrei

dfmt + create patch compared to before and after format.
No need for a whole new tool.