GNU bug report logs - #58839
29.0.50; project-kill-buffer fails when Eglot is running

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From: João Távora <joaotavora <at> gmail.com>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: philipk <at> posteo.net, Eli Zaretskii <eliz <at> gnu.org>, manuel.uberti <at> inventati.org, 58839 <at> debbugs.gnu.org
Subject: bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running
Date: Mon, 31 Oct 2022 20:36:43 +0000

Dmitry Gutov <dgutov <at> yandex.ru> writes:

> On 31.10.2022 13:56, João Távora wrote:
>> On Mon, Oct 31, 2022 at 9:52 AM João Távora <joaotavora <at> gmail.com
>> <mailto:joaotavora <at> gmail.com>> wrote:
>>  > In the little time I've used this feature since the start of this
>>  > discussion I have discovered it backfires no small number of occasions:
>>  > Eglot, CIDER, *scratch*, *ielm*, *sly-scratch*, *Completions*,...  Heck
>>  > even *ibuffer* itself is targeted by this.
>> And you can add the gnus mail buffers to this list. If you are
>> unlucky
>> enough to start M-x gnus from a project file to read your email, then
>> closing that project in the future will take your gnus session, your
>> summary buffers, messages, etc. with it.  This can't possibly be considered
>> an exotic use case, and can't be right.
>
> Does Gnus use fundamental-mode for some of its important buffers?

No idea.  gnus-summary-modes is one of the modes

Try:

emacs -Q
C-x C-f some/file/in/a/project/foo.c
M-x  gnus ; Remember to check your email
; read mail, make searches, etc
C-x b foo.c ; go back to the file
C-x p k ; Get preposterous confirmation prompt about tens of buffers about to be killed
        ; say yes, bye all those emails 

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