Are you using Guix System or Guix on foreign distro?
I am on Guix System
$ guix system describe
Generation 10 Nov 23 2021 13:05:39 (current)
guix:
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 21d390bf64ed96ad24363ae270408721eeed4f88
