From: "Michalis V." <mvar.40k@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 11912@debbugs.gnu.org
Subject: bug#11912: 24.1; 'M' in Dired on a symlink does not refresh the display
Date: Tue, 24 Aug 2021 13:23:37 +0300 [thread overview]
Message-ID: <87tujf9m52.fsf@cnu407c2zx.nsn-intra.net> (raw)
In-Reply-To: <83txxeb6q8.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 11 Jul 2012 19:30:39 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
> On a system that supports symlinks, do this:
>
> emacs -Q
> C-x d RET
>
> Go to any file and type
>
> S foobar RET
>
> This creates a symlink named 'foobar' to the file on whose line you
> were when you typed S. Now go to the line of 'foobar' and type this:
>
> M 0444 RET
>
> Emacs says "Redisplaying...done", but the mode bits of the target of
> the symlink do not reflect the change. Type 'g', and they will.
>
>>From a cursory look at the code (dired-do-redisplay), it sounds like
> Dired assumes that the file to be refreshed is necessarily on the
> current line (or marked). This is false for symlinks and the 'M'
> command (and probably a few others, like 'O'), because the file that
> changes is the target of the symlink.
>
> I think this bug was in Emacs since about forever; I tried as far back
> as Emacs 22.1, and the problem was still there.
hi,
I can reproduce this in 27.1 but in 28.0.50 i get the following message:
Doing chmod: Operation not supported, /tmp/foobar
chmod on the symlinked file itself works ("Redisplaying..." too)
perhaps this functionality was disabled/removed for symlinks on purpose?
or is it a new bug?
Michalis
next prev parent reply other threads:[~2021-08-24 10:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-11 16:30 bug#11912: 24.1; 'M' in Dired on a symlink does not refresh the display Eli Zaretskii
2021-08-24 10:23 ` Michalis V. [this message]
2021-08-24 15:40 ` Lars Ingebrigtsen
2021-08-24 17:32 ` Paul Eggert
2021-08-25 10:57 ` Lars Ingebrigtsen
2021-08-25 17:59 ` Paul Eggert
2021-08-26 13:52 ` Lars Ingebrigtsen
2021-08-26 3:57 ` Richard Stallman
2021-08-26 13:54 ` Lars Ingebrigtsen
2021-08-26 14:07 ` Andreas Schwab
2021-08-26 16:52 ` Paul Eggert
2021-08-27 3:30 ` Richard Stallman
2021-08-25 8:37 ` Michalis V.
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