Re: appending a pattern to the default "diff.cpp.xfuncname"

From: Jakub Narębski <jnareb@gmail.com>
Date: Aug 3, 2016, 18:34 UTC
Message-ID: <8c4e96b9-165f-5168-d220-6a1548ff83c7@gmail.com>
In-Reply-To: <20160803180213.o7xpm4c4tw5rixmy@sigill.intra.peff.net>

W dniu 03.08.2016 o 20:02, Jeff King pisze:

Show 12 quoted lines

> On Wed, Aug 03, 2016 at 12:16:14PM +0200, Laszlo Ersek wrote:
> 
>> I've used diff.<TYPE>.xfuncname with great success for file <TYPE>s that
>> I defined myself. However, now I would like to append an extra pattern
>> to the TYPE=cpp case (for which git has builtin patterns). Is there an
>> easy way to do this?
>>
>> I figured I could open-code the builtin patterns from "userdiff.c", and
>> then append my new pattern to those, but it looks kinda gross :)
> 
> Unfortunately, no, the config system has no notion of "append to this
> value".

And I think adding such capability would not be easy. Well, perhaps we could support '+=' in addition to '='?

>         So you are stuck with extracting the builtin value (which
> annoyingly, you cannot even get without looking at the source code!),
> and repeating it in your config file.

I wonder if `git var -l` could provide all default values :-P

-- 
Jakub Narębski