Your bug report

#34778: 'guix refresh -u' fails for packages using 'git-fetch'

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 34778@debbugs.gnu.org.

-- 
34778: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34778
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems