GNU bug report logs - #63127
29.0.90; Tramp all-completions errors with internal error

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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#63127: closed (29.0.90; Tramp all-completions errors with
 internal error)
Date: Fri, 28 Apr 2023 11:03:02 +0000

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Your message dated Fri, 28 Apr 2023 13:01:45 +0200
with message-id <87zg6sw9ra.fsf <at> gmx.de>
and subject line Re: bug#63127: 29.0.90; Tramp all-completions errors with internal error
has caused the debbugs.gnu.org bug report #63127,
regarding 29.0.90; Tramp all-completions errors with internal error
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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63127: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63127
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From: Daniel Mendler <mail <at> daniel-mendler.de>
To: Michael Albinus <michael.albinus <at> gmx.de>, bug-gnu-emacs <at> gnu.org
Subject: 29.0.90; Tramp all-completions errors with internal error
Date: Thu, 27 Apr 2023 20:40:56 +0200

I accidentally typed /sudo:::/ instead of /sudo::/ in the file
completion prompt of my Vertico completion UI. Vertico immediately
recomputes candidates and in this case shows an internal Tramp error.

File error: tramp-sh-handle-file-name-all-completions: internal error
accessing ‘/root/\:/’: ‘’

For reproduction, this internal error can be triggered by executing the
following expressions:

(all-completions "/sudo:::/" #'completion-file-name-table)
(try-completion "/sudo:::/" #'completion-file-name-table)

I am not sure if this can be considered a bug, certainly not a serious
one. Usually completion tables are supposed to not show such
internal errors. Instead they ideally just return nil signaling the
absence of matches. Maybe this indicates some problem in the Tramp file
handler parser, which could bail out earlier on such an invalid path?

Thanks!

Daniel

----

In GNU Emacs 29.0.90 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.16.0, Xaw scroll bars) of 2023-04-27 built on projects
Repository revision: a40b1cba5ea53a780e9d3bb6b36e050dfa5e7c12
Repository branch: debundlemacs-29
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: Debian GNU/Linux 11 (bullseye)

Configured using:
 'configure --prefix=/home/user/emacs/install --with-json
 --with-native-compilation --with-x-toolkit=athena --without-dbus
 --without-selinux --without-threads --without-gsettings --with-cairo'

[Message part 3 (message/rfc822, inline)]

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Daniel Mendler <mail <at> daniel-mendler.de>
Cc: Manuel Uberti <manuel.uberti <at> inventati.org>, 63127-done <at> debbugs.gnu.org
Subject: Re: bug#63127: 29.0.90; Tramp all-completions errors with internal
 error
Date: Fri, 28 Apr 2023 13:01:45 +0200

Daniel Mendler <mail <at> daniel-mendler.de> writes:

Hi Daniel,

> I tried again and this time I didn't install Tramp via package-install
> but unpacked the tar manually. Then I could successfully load Vertico
> and Tramp. Completing Tramp paths works fine with Vertico. I checked
> that `tramp-version' is 2.6.0.3. Furthermore the /sudo:::/ issue is
> gone. Feel free to close this bug!

Done.

> However there seems to be an issue with Tramp and package installation
> due to the `tramp--with-startup` macro. Not sure if I am the only one
> affected by this.

Well, there is bug#59194, waiting for action from me. I guess it is
related, so there's nothing left to do in *this* bug.

> Daniel

Best regards, Michael.

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