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Subject: bug#66272: 30.0.50; Dired fails to revert when wildchars in path
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Hello,

I have created a directory for demonstration with names and contents
like this (in my Debian system using master):

  /home/micha/Treasure/today/test?dir/:
  .
  ..
  a

  /home/micha/Treasure/today/test?dir/a:
  .
  ..
  some
  random
  files


It follows a recipe for a bug using emacs -Q:

  1. dired /home/micha/Treasure/today/test?dir/a [I see the three
     files as expected]
  2. Rename directory "a" to "b".  I did that from a second dired buffer
     of "test?dir" using wdired, but it should not matter.
  3. Go back to the first dired buffer and hit g.  Then my buffer
     only displays these contents:

| ls: cannot access 'test?dir/b/': No such file or directory
| //DIRED-OPTIONS// --quoting-style=literal

This also happens with autorevert.


TIA,

Michael.


In GNU Emacs 30.0.50 (build 11, x86_64-pc-linux-gnu, cairo version
 1.16.0) of 2023-09-29 built on drachen
Repository revision: 11b21f7015b6b74f7e72b8e1cbb99ec495320f1f
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101007
System Description: Debian GNU/Linux 12 (bookworm)

Configured using:
 'configure --with-x-toolkit=no'

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Michael Heerdegen <michael_heerdegen@HIDDEN>
Subject: bug#66272: Acknowledgement (30.0.50; Dired fails to revert when
 wildchars in path)
Message-ID: <handler.66272.B.169604459017384.ack <at> debbugs.gnu.org>
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Reply-To: 66272 <at> debbugs.gnu.org
Date: Sat, 30 Sep 2023 03:30:02 +0000

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66272: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D66272
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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#66272: 30.0.50; Dired fails to revert when wildchars in path
Resent-From: Michael Heerdegen <michael_heerdegen@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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To: 66272 <at> debbugs.gnu.org
From: Michael Heerdegen <michael_heerdegen@HIDDEN>
In-Reply-To: <87ediguynj.fsf@HIDDEN> (Michael Heerdegen's message of "Sat, 30
 Sep 2023 05:29:20 +0200")
References: <87ediguynj.fsf@HIDDEN>
Date: Sun, 01 Oct 2023 03:27:22 +0200
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Michael Heerdegen <michael_heerdegen@HIDDEN> writes:

>   1. dired /home/micha/Treasure/today/test?dir/a [I see the three
>      files as expected]
>   2. Rename directory "a" to "b".  I did that from a second dired buffer
>      of "test?dir" using wdired, but it should not matter.
>   3. Go back to the first dired buffer and hit g.  Then my buffer
>      only displays these contents:
>
> | ls: cannot access 'test?dir/b/': No such file or directory
> | //DIRED-OPTIONS// --quoting-style=literal

Hmm - reverting seems to fail always (dired doesn't know that the
directory name changed), but in the case of a name without special
wildcard patterns dired just complains that the file doesn't exist.  The
way of failing seems to be different in these cases, which confused me.

Can we make it so that the failing behavior is the same in both cases?

Michael.

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#66272: 30.0.50; Dired fails to revert when wildchars in path
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From: Michael Heerdegen <michael_heerdegen@HIDDEN>
In-Reply-To: <87y1gn5dz9.fsf@HIDDEN> (Michael Heerdegen's message of "Sun, 01
 Oct 2023 03:27:22 +0200")
References: <87ediguynj.fsf@HIDDEN> <87y1gn5dz9.fsf@HIDDEN>
Date: Mon, 02 Oct 2023 02:16:31 +0200
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Michael Heerdegen <michael_heerdegen@HIDDEN> writes:

> Can we make it so that the failing behavior is the same in both cases?

A nicer behavior would be to leave the buffer contents intact and say
"can't revert, file not found" so that I don't loose information like
file marks.

Bonus points if I would be allowed to specify the new directory name and
revert using that path, keeping things like marks.  Maybe that
would already be possible indirectly using vdired - if Emacs would not
leave me with an erased buffer.

Michael.

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retitle 66272 Dired: Reverting buffers of renamed directories
quit

Last modified: Tue, 3 Oct 2023 03:45:26 UTC

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