GNU bug report logs - #42173
Nix on Guix System: can't update channels

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Alexandru-Sergiu Marton <brown121407 <at> posteo.ro>
Cc: 42173 <at> debbugs.gnu.org
Subject: bug#42173: Nix on Guix System: can't update channels
Date: Mon, 13 Jul 2020 15:35:53 +0200

Hi Alexandru-Sergiu,

Alexandru-Sergiu Marton <brown121407 <at> posteo.ro> skribis:

> I tried to set up the Nix package manager on my Guix System following
> the instructions at http://guix.gnu.org/manual/en/guix.html#index-Nix
> . Unfortunately, after reconfiguring the system and adding a channel
> with `nix-channel --add https://nixos.org/channels/nixpkgs-unstable`,
> when I tried to update the channels (`nix-channel --update`), this is
> what I got:
>
> --8<---------------cut here---------------start------------->8--- 
> [brown <at> 121408 ~]$ nix-channel --update unpacking channels... while setting up the build environment: executing '/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/bash': No such file or directory builder for '/nix/store/fqvvrsyznxfzckxbiz6krlykdb6w105n-nixpkgs-20.09pre232864.55668eb671b.drv' failed with exit code 1 error: build of '/nix/store/fqvvrsyznxfzckxbiz6krlykdb6w105n-nixpkgs-20.09pre232864.55668eb671b.drv' failed error: program '/gnu/store/lsixql26nig4v3icn124ja3ivjpgvn99-nix-2.3.6/bin/nix-env' failed with exit code 100 --8<---------------cut here---------------end--------------->8--- 
>
> Any tips on how to fix this?

It seems that the Nix binaries captured the
/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/bash
file name somewhere.  Does this file actually exist?

What does this return?

  guix gc --references /gnu/store/lsixql26nig4v3icn124ja3ivjpgvn99-nix-2.3.6

Thanks,
Ludo’.

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