$ git clone -n https://src.fedoraproject.org/rpms/gnome-font-viewer.git /var/lib/mock/f31-build-108463-33847/root/chroot_tmpdir/scmroot/gnome-font-viewer
Cloning into '/var/lib/mock/f31-build-108463-33847/root/chroot_tmpdir/scmroot/gnome-font-viewer'...
$ git reset --hard 7693eca0b6731212af7014ba0efadfb5bacb4ed6
HEAD is now at 7693eca Update to 3.34.0