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bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails whe
From: |
João Távora |
Subject: |
bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running |
Date: |
Sat, 29 Oct 2022 21:38:04 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Philip Kaludercic <philipk@posteo.net> writes:
>> bytes, but it shouldn't rely on their values and certainly can't free()
>> what it didn't malloc().
> But to extend this metaphor, if I kill a programm that allocated malloc,
> I would expect that memory to be cleaned up.
Yes, but to kill a process you have to own it. project.el is not the
owner (not even a co-owner) of Eglot LSP internal buffers, and so it
can't kill them.
>> I think the command is pretty useful. But perhaps, I'm just guessing
>> here, Philip is focusing too much it as if it were the only sanctioned
>> way for Emacs users to stop working on a given set of files in a
>> programming project and clean up.
> Of course it isn't, it is just my prefered way and Eglot breaks it.
I don't think we should play the who-broke-what game. It doesn't help,
and if we decided to look up the dates of introduction of your
project-kill-buffers way and eglot's process management, we might reach
a different conclusion.
>> Neither do I. But when I M-x cd to other places, project.el thinks that
>> scratch belongs to that project. It doesn't, I keep stuff of various
>> projects in it.
>
> I agree, this is bad, but that can easily be solved by adding
> `lisp-interaction-mode' to the list of major modes that are not
> killed.
Also *ielm*, the global Elisp repl created by M-x ielm. has the same
problem. And *Completions*. I'm quite sure that *sly-scratch* in the
SLY CL IDE would also be targeted. And the CIDER Clojure IDE, as
someone has already reported. And probably many more. This blanket
default-directory heuristic is practical in some common cases but flawed
in many others.
>> Just commit the original tested patch I gave you that exempts hidden
>> buffers without buffer-file-name from project-buffers. Philip's command
>> will keep working perfectly and we can close this bug.
>
> So if I understand correctly, with `eglot-autoshutdown' enabled as soon
> as all the buffers have been killed, the server will also shut down,
> right?
Yes! This is exactly what the docstring says:
eglot-autoshutdown is a variable defined in `eglot.el'.
If non-nil, shut down server after killing last managed buffer.
> Regarding the patch itself, I think it would be better to use
> `project-kill-buffer-conditions', so that if a project.el backend
> defines a new implementation for `project-buffers', the issue doesn't
> pop up again.
Your concern is quite valid. Fortunately, CLOS generic functions have
us covered. This is even simpler than the first patch:
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index ac278edd40..f8190eb1fc 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -362,6 +362,13 @@ project-buffers
(push buf bufs)))
(nreverse bufs)))
+(cl-defmethod project-buffers :around (_project)
+ "Ensure hidden/private buffers do not belong to PROJECT."
+ (cl-remove-if-not (lambda (b)
+ (and (string-prefix-p " " (buffer-name b))
+ (not (buffer-file-name b))))
+ (cl-call-next-method)))
+
(defgroup project-vc nil
"Project implementation based on the VC package."
:version "25.1"
Note this still leaves the *scratch* and *ielm* and other things
uncovered. It addresses this specific bug and most importantly doesn't
blow up in the users.
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, (continued)
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Philip Kaludercic, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/28
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/29
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/29
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Philip Kaludercic, 2022/10/29
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running,
João Távora <=
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Philip Kaludercic, 2022/10/29
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/29
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Eli Zaretskii, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Eli Zaretskii, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Eli Zaretskii, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, Dmitry Gutov, 2022/10/30
- bug#58839: [Patch] Re: bug#58839: 29.0.50; project-kill-buffer fails when Eglot is running, João Távora, 2022/10/31