GNU bug report logs - #65864
[PATCH] Add option to save a buffer without running save hooks

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Message #23 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Daniel Martín via "Bug reports for GNU Emacs, the
 Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
Cc: 65864 <at> debbugs.gnu.org, eliz <at> gnu.org, monnier <at> iro.umontreal.ca,
 Daniel Martín <mardani29 <at> yahoo.es>
Subject: Re: bug#65864: [PATCH] Add option to save a buffer without running
 save hooks
Date: Wed, 13 Sep 2023 19:44:20 +0300

> For example, I have `delete-trailing-whitespace' in my
> `before-save-hook', but for a particular buffer I wanted to save it
> without removing the trailing whitespace, because trailing whitespace
> was syntactically meaningful in that case (the buffer contained some
> Markdown-like source code).
>
> I searched the Internet for some solutions and what I ended up doing is
> C-x C-q (to make the buffer read-only), C-x C-s, and C-x C-q to make the
> buffer writable again (from
> https://stackoverflow.com/questions/14913398/in-emacs-how-do-i-save-without-running-save-hooks).
> It felt a bit like a "hack".

I confirm that 'C-u - C-x C-s' will save me from trouble that I have with

  (add-hook 'before-save-hook 'time-stamp nil t)

because often I don't need to update the timestamp for a small fix.
It takes too much time to revisit the file with M-x find-file-literally,
then manually restore the previous timestamp (to not commit unnecessary change),
and save the file again.  Your patch will help substantially, thanks for this.

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