GNU bug report logs - #75949
kill-buffer-quit-windows breaks kill-buffer-hook

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Message #16 received at 75949 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Juri Linkov <juri <at> linkov.net>
Cc: 75949 <at> debbugs.gnu.org
Subject: Re: bug#75949: kill-buffer-quit-windows breaks kill-buffer-hook
Date: Sun, 2 Feb 2025 09:52:49 +0100

> Since a new argument can't be added, another variant would be at least
> to set the current buffer before every call of the hook functions.
> I.e. instead of
>
>    (run-hooks 'kill-buffer-hook)
>
> to do something like
>
>    (run-hook-wrapped 'kill-buffer-hook
>                      (lambda (fun)
>                        (with-current-buffer current-buffer
>                          (funcall fun))
>                        nil))
>
> But this won't help when buffers are switched inside hook functions.

The problem is that we run hooks completely in C so wrapping is at least
not that simple.  Whatever it is, nesting 'kill-buffer-hook' as in

 (add-hook 'kill-buffer-hook (lambda () (kill-buffer (get-buffer "bar")))
	    nil t)

is not really recommended.

martin

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