Sorry. Forgot to mention the thread.

Now using bash with system and home profiles. same error except (s/nix/bash).

---------- Forwarded message ---------
От: Grigory Shepelev <shegeley@gmail.com>
Date: пт, 17 дек. 2021 г. в 00:21
Subject: Re: bug#52559: guix pull fails with `Unknown command: nix fish: nix show-derivation "~/.fr-sqOEpp/....-module-import-compiled.drv"
To: Maxime Devos <maximedevos@telenet.be>

Sure, sorry, sleepy.

пт, 17 дек. 2021 г. в 00:16, Maxime Devos <maximedevos@telenet.be>:

Grigory Shepelev schreef op vr 17-12-2021 om 00:12 [+0300]:
> In procedure scm_lreadr: /gnu/store/l375q7zi0k894a03xdfsq8qsm5nh2m97-
> module-import/guix/build/utils.scm:822:1: illegal character in escape
> sequence: #\return

It would be useful to have a copy of the file that the error message is
complaining about.

Greetings,
Maxime.