GNU bug report logs - #78791
30.1; Tramp reopening file with sudo after disconnect error message

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#78791: closed (30.1; Tramp reopening file with sudo after
 disconnect error message)
Date: Mon, 16 Jun 2025 08:17:02 +0000

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Your message dated Mon, 16 Jun 2025 10:16:19 +0200
with message-id <87zfe89k4s.fsf <at> gmx.de>
and subject line Re: bug#78791: 30.1; Tramp reopening file with sudo after disconnect error message
has caused the debbugs.gnu.org bug report #78791,
regarding 30.1; Tramp reopening file with sudo after disconnect error message
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Alexis Bakatine <abakatine <at> proton.me>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: 30.1; Tramp reopening file with sudo after disconnect error message
Date: Sat, 14 Jun 2025 19:23:17 +0000

Hello, when I'm trying to open a file from a Dired buffer with sudo after a
disconnect with Tramp, it results in an error message.

How to reproduce:

1. emacs -Q '/ssh:foo <at> bar|sudo::'
2. M-x tramp-cleanup-all-connections
3. 'o' or <RET> to open a file

result in *Messages*:
Host name 'bar' does not match ‘\`\(?:t480s\|\(?:127\.0\.0\.1\|::1\|ip\(?:6-lo\(?:calhost\|opback\)\|v6-lo\(?:calhost\|opback\)\)\|localhost[46]?\)\)\'’

Note that when NOT using sudo as with /ssh:foo <at> bar:, I can run M-x
tramp-cleanup-all-connections and open a file without problem,
Tramp reconnects automatically.

Tested on Emacs 30.1 and 31.0.50 on Linux.

Best regards,

Alexis

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Alexis Bakatine <abakatine <at> proton.me>
Cc: "78791 <at> debbugs.gnu.org" <78791-done <at> debbugs.gnu.org>
Subject: Re: bug#78791: 30.1; Tramp reopening file with sudo after
 disconnect error message
Date: Mon, 16 Jun 2025 10:16:19 +0200

Alexis Bakatine <abakatine <at> proton.me> writes:

Hi Alexis,

> tramp-show-ad-hoc-proxies is working perfectly for what I described.
>
> Thank you a lot for the explanation and solution Michael.
> Feel free to close the non-bug and I wish you a great day.

Thanks for the feedback, I'm closing the bug.

> Best regards,
>
> Alexis

Best regards, Michael.

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