Subject: bug#34719: `guix describe` output

From: mikadoZero <[email-masked]>
Date: Sun, 3 Mar 2019 08:00:43 -0500

The output of `guix describe` is:

guix 35556d7
  repository URL: https://git.savannah.gnu.org/git/guix.git
  branch: master
  commit: 35556d7da01f00ffdbc9b3218ef2669dd28e3b62