$ git clone -n https://src.fedoraproject.org/rpms/gubbi-fonts.git /var/lib/mock/f45-build-13233-447/root/chroot_tmpdir/scmroot/gubbi-fonts
Cloning into '/var/lib/mock/f45-build-13233-447/root/chroot_tmpdir/scmroot/gubbi-fonts'...
$ git fetch origin 09b330526c268926f41a4dd88bdbc6eb816a8e29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gubbi-fonts
 * [new ref]         09b330526c268926f41a4dd88bdbc6eb816a8e29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09b3305 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild