GNU bug report logs - #78572
30.1; Tramp Project error message loop - File is missing

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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#78572: closed (30.1; Tramp Project error message loop - File
 is missing)
Date: Wed, 04 Jun 2025 15:25:03 +0000

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Your message dated Wed, 04 Jun 2025 17:24:31 +0200
with message-id <87wm9rsf68.fsf <at> gmx.de>
and subject line Re: bug#78572: 30.1; Tramp Project error message loop - File is missing
has caused the debbugs.gnu.org bug report #78572,
regarding 30.1; Tramp Project error message loop - File is missing
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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78572: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78572
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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 Project error message loop - File is missing
Date: Fri, 23 May 2025 16:06:23 +0000

When using either one of these settings, or both at the same time:

(setopt project-vc-extra-root-markers '(".project"))
(setopt project-mode-line t)

Tramp produces error messages in the minibuffer after connecting
to the remote server:

File is missing: /sudo:root <at> x:/root/
File is missing: /sudo:root <at> x:/

It only happens when using Tramp with:
/ssh:x|sudo::

If I'm using the command below, the problem doesn't occur (note that "x" is simply a
host server config name in my ~/.ssh/config file):
/ssh:x:

What's worse is that it loops over and over trying to search for some
file that it cannot find remotely, and after a few minutes connected
Emacs becomes unresponsive.

Here is an excerpt of the debug backtrace:
*debug tramp/sudo root <at> x*
05:37:50.799367 tramp-file-name-handler (10) #
  backtrace()
  tramp-file-name-handler(file-directory-p "/sudo:root <at> x:/")
  file-directory-p("/sudo:root <at> x:/")
  tramp-handle-directory-files("/sudo:root <at> x:/" nil "\\`\\(\\`\\.git\\'\\)\\|\\(\\`\\.project\\'\\)\\'" t nil)
  tramp-sh-file-name-handler(directory-files "/sudo:root <at> x:/" nil "\\`\\(\\`\\.git\\'\\)\\|\\(\\`\\.project\\'\\)\\'" t nil)
  apply(tramp-sh-file-name-handler directory-files ("/sudo:root <at> x:/" nil "\\`\\(\\`\\.git\\'\\)\\|\\(\\`\\.project\\'\\)\\'" t nil))
  tramp-file-name-handler(directory-files "/sudo:root <at> x:/" nil "\\`\\(\\`\\.git\\'\\)\\|\\(\\`\\.project\\'\\)\\'" t nil)
  directory-files("/sudo:root <at> x:/" nil "\\`\\(\\`\\.git\\'\\)\\|\\(\\`\\.project\\'\\)\\'" t)
  #f(compiled-function (d) #<bytecode 0x1acb9e5dc5281a7c>)("/sudo:root <at> x:/")
  locate-dominating-file("/sudo:root <at> x:/root/" #f(compiled-function (d) #<bytecode 0x1acb9e5dc5281a7c>))
  project-try-vc--search("/sudo:root <at> x:/root/")
  project-try-vc("/sudo:root <at> x:/root/")
  run-hook-with-args-until-success(project-try-vc "/sudo:root <at> x:/root/")
  project--find-in-directory("/sudo:root <at> x:/root/")
  project-current(nil)

I tested this on Emacs 30.1 on Linux, macOS and Windows, with the same
results.

ps: sorry for the poor formatting.

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Alexis Bakatine <abakatine <at> proton.me>
Cc: 78572-done <at> debbugs.gnu.org
Subject: Re: bug#78572: 30.1; Tramp Project error message loop - File is
 missing
Date: Wed, 04 Jun 2025 17:24:31 +0200

Version: 31.1

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

> Hello Michael,

Hi Alexis,

>> Pushed to master. Could you, pls, check?
>
> I confirm I'm not able to reproduce any of the messages, neither the project-vc-related ones nor the "File is missing".

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

> Thank you Michael, have a great day.

Best regards, Michael.

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