Hello Guix,

I send a patched emacs-browse-at-remote, called
emacs-browse-at-remote-gnu [1], which adds a support for
git.savannah.gnu.org Cgit repository.

[1]  https://debbugs.gnu.org/cgi/bugreport.cgi?bug=30328

See a demo <https://i.imgur.com/Bzm2jpS.gif>.

Oleg.