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

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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: 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

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