GNU bug report logs - #64821
30.0.50; write-region errs when overwriting an already open file

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Package: emacs;

Reported by: Ihor Radchenko <yantar92 <at> posteo.net>

Date: Mon, 24 Jul 2023 07:13:02 UTC

Severity: normal

Found in version 30.0.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #22 received at 64821 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>
Cc: 64821 <at> debbugs.gnu.org, yantar92 <at> gmail.com
Subject: Re: bug#64821: 30.0.50; write-region errs when overwriting an already
 open file
Date: Thu, 27 Jul 2023 19:31:30 +0300

> From: Mattias Engdegård <mattias.engdegard <at> gmail.com>
> Date: Thu, 27 Jul 2023 17:07:26 +0200
> Cc: Ihor Radchenko <yantar92 <at> gmail.com>,
>  64821 <at> debbugs.gnu.org
> 
> The change on master (8955853368) causes filelock-tests to fail; see attached log.
> This is on macOS with an out-of-tree build.

Sorry, I cannot reproduce this on any system to which I have access.
Would you mind running the failing test under Edebug and telling which
part in userlock.el signals an error, and why?  Is that this line:

          (with-current-buffer (get-file-buffer (file-truename filename))
            (set-visited-file-modtime))

If so, does it mean file-truename returns nil?
This bug report was last modified 1 year and 299 days ago.

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