GNU bug report logs - #55310
27.2; vc-revert: unhelpful error message when modified buffers exist

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Package: emacs;

Reported by: "Alfred M. Szmidt" <ams <at> gnu.org>

Date: Sun, 8 May 2022 07:42:02 UTC

Severity: normal

Tags: patch

Found in version 27.2

Fixed in version 31.1

Done: Sean Whitton <spwhitton <at> spwhitton.name>

Bug is archived. No further changes may be made.

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Message #16 received at 55310 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: "Alfred M. Szmidt" <ams <at> gnu.org>
Cc: 55310 <at> debbugs.gnu.org, Dmitry Gutov <dgutov <at> yandex.ru>
Subject: Re: bug#55310: 27.2; vc-revert: unhelpful error message when
 modified buffers exist
Date: Mon, 09 May 2022 11:38:26 +0200
"Alfred M. Szmidt" <ams <at> gnu.org> writes:

>    I don't think we want to have an interface that offers to kill buffers
>    in a loop -- it sounds like something that's really error-prone, which
>    is why that code is the way it is, I think.  (To make the user make the
>    decision themselves explicitly.)
>
> We already support such mechanism I think in several other places,
> like ibuffer, etc.   

Sure, but that's a mode to list and act on buffers -- having vc-revert
kill buffers (even after querying the user) would be surprising.

> My main problem is really that it is impossible to know _which_
> buffers are modified, if you have several hundred open in several
> different projects -- in addition to the fact that the error message
> is just wrong ("all buffers" -- it is just some buffers, that are
> marked).

Yes, it would be nice if it actually said which buffers it's talking
about.

> Idea (ideas are cheap): maybe if one could add some sort of
> high-light, or something in vc-dired that shows that this or that file
> has a open buffer that is unmodified, and then the error could be the
> same but just saying that one should check the highlighted buffers.

I think that's a good idea -- perhaps Dmitry has some comments; added to
the CCs.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no




This bug report was last modified 70 days ago.

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