GNU bug report logs - #34192
26.1; Bash 5.0 breaks TRAMP sudo

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From: Allen Li <darkfeline <at> felesatra.moe>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 34192 <at> debbugs.gnu.org
Subject: bug#34192: 26.1; Bash 5.0 breaks TRAMP sudo
Date: Sun, 17 Feb 2019 03:11:21 +0000

On Fri, Feb 8, 2019 at 10:44 AM Michael Albinus <michael.albinus <at> gmx.de> wrote:
> It would be very helpful for investigation, if you could move these
> remote files away temporarily, and check whether the error persists.
>
> > Perhaps more people will run into this bug once Bash 5 pushes out to
> > the larger distros, or the bug will get fixed inadvertently.  I don't
> > have any opinions on whether to keep this bug open or close in the
> > meantime.
>
> If it is reproducible with bash 5.0, I would like to add a not to the
> Tramp manuals. At least.
>
> Thanks for your support in testing.

Reproducing in a container, anyone else on Arch Linux should be able
to follow this.

1. mkdir ~/container
2. sudo pacstrap -i -c ~/container base --ignore linux --ignore
linux-firmware sudo emacs
3. sudo systemd-nspawn -b -D ~/container
4. Login with root
5. useradd -m bob
6. passwd bob
bob
7. visudo
bob ALL=(ALL) ALL
8. su bob
9. cd ~

1. emacs -Q
2. (setq tramp-histfile-override t)
3. C-x C-f /sudo::/ TAB bob RET

(Exit container with C-] C-] C-])

Versions as of now:
"GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
 of 2018-07-05"
GNU bash, version 5.0.0(1)-release (x86_64-pc-linux-gnu)

>
> Best regards, Michael.

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