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From: James Thomas <jimjoe@gmx.net>
To: emacs-devel@gnu.org
Subject: Re: Thoughts on support for vc-diff unsaved buffer contents?
Date: Fri, 22 Nov 2024 05:34:02 +0530	[thread overview]
Message-ID: <86o728i171.fsf@gmx.net> (raw)
In-Reply-To: <68c0ce3e-8316-43db-8f3c-ead0ad028326@gmail.com> (Campbell Barton's message of "Fri, 22 Nov 2024 09:02:30 +1100")

Campbell Barton wrote:

> Hi, recently I've run into a situation where it's necessary to
> calculate modified line ranges without first saving the buffer (where
> "modified" is determined by a version control diff).
>
> I'm curious if this is something that might be supported - or, is
> already supported (although I'm fairly sure it's not).
>
> ...
>
> so when saving: clang-format.el calculates the lines that differ from
> the working copy them formats them before saving.
>
> Currently it's necessary for clang-format.el to call git & diff
> directly, which makes the functionality limited to git. I was hoping
> this could be supported in a generic way that uses generic `vc` API's.

Isn't it enough to pipe vc-find-revision-no-save of vc-working-revision to
diff? (IIUYC)

--



  reply	other threads:[~2024-11-22  0:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-21 22:02 Thoughts on support for vc-diff unsaved buffer contents? Campbell Barton
2024-11-22  0:04 ` James Thomas [this message]
2024-11-22  6:05 ` Alfred M. Szmidt
2024-11-22  7:44 ` Juri Linkov
2024-11-22  9:05   ` Campbell Barton
2024-11-23 17:58     ` Juri Linkov

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