GNU bug report logs - #48349
28.0.50; Problem in dired with symbolic links to Tramp-syntax files

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Package: emacs;

Reported by: Lars Ingebrigtsen <larsi <at> gnus.org>

Date: Tue, 11 May 2021 13:24:01 UTC

Severity: normal

Found in version 28.0.50

Fixed in version 28.1

Done: Michael Albinus <michael.albinus <at> gmx.de>

Bug is archived. No further changes may be made.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Subject: bug#48349: closed (Re: bug#48349: 28.0.50; Problem in dired with
 symbolic links to Tramp-syntax files)
Date: Thu, 13 May 2021 12:03:02 +0000
[Message part 1 (text/plain, inline)]
Your bug report

#48349: 28.0.50; Problem in dired with symbolic links to Tramp-syntax files

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 48349 <at> debbugs.gnu.org.

-- 
48349: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48349
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems
[Message part 2 (message/rfc822, inline)]
From: Michael Albinus <michael.albinus <at> gmx.de>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 48349-done <at> debbugs.gnu.org
Subject: Re: bug#48349: 28.0.50; Problem in dired with symbolic links to
 Tramp-syntax files
Date: Thu, 13 May 2021 14:02:32 +0200
Version: 28.1

Michael Albinus <michael.albinus <at> gmx.de> writes:

Hi Lars,

>> Apparently dired passes symlinks to Tramp in unfortunate ways.
>>
>> For instance:
>>
>> (cd /tmp; ln -s /sudo:root <at> localhost:/tmp/foo bar)
>> emacs -Q /tmp/
>>
>> will infloop asking for a password -- `C-g' will break, but it'll just
>> ask again apparently forever, and you have to kill Emacs to get out of
>> the loop.
>>
>> I haven't tried to debug either case.
>
> This is a collateral damage of 824d1a57ec8e7c90b01af6665de5a114529170df
> in function file-name-non-special. Brrrr :-(
>
> I will try to see how to fix this, w/o loosing the solution for bug#48177.

Should be fixed now in master. Closing the bug.

Best regards, Michael.

[Message part 3 (message/rfc822, inline)]
From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Problem in dired with symbolic links to Tramp-syntax files
Date: Tue, 11 May 2021 15:22:59 +0200
Apparently dired passes symlinks to Tramp in unfortunate ways.

For instance:

(cd /tmp; ln -s /sudo:root <at> localhost:/tmp/foo bar)
emacs -Q /tmp/

will infloop asking for a password -- `C-g' will break, but it'll just
ask again apparently forever, and you have to kill Emacs to get out of
the loop.

(cd /tmp; ln -s /sudo:root <at> nosuchhost:/tmp/foo bar)
emacs -Q /tmp/

won't even give you a prompt, but won't display anything -- hanging
while resolving the "nosuchhost" name?

I haven't tried to debug either case.


In GNU Emacs 28.0.50 (build 71, x86_64-pc-linux-gnu, GTK+ Version 3.24.24, cairo version 1.16.0)
 of 2021-05-10 built on xo
Repository revision: aa354dd55b213b86ee8e3aa0365a6ad915838458
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12010000
System Description: Debian GNU/Linux bullseye/sid

Configured using:
 'configure --with-native-compilation'

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no




This bug report was last modified 4 years and 8 days ago.

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