$ git clone -n https://src.fedoraproject.org/rpms/gfs-nicefore-fonts.git /var/lib/mock/f45-build-9845-409/root/chroot_tmpdir/scmroot/gfs-nicefore-fonts
Cloning into '/var/lib/mock/f45-build-9845-409/root/chroot_tmpdir/scmroot/gfs-nicefore-fonts'...
$ git fetch origin a13e1a4ee33a9fadcaa6044acac65d9e44987305:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfs-nicefore-fonts
 * [new ref]         a13e1a4ee33a9fadcaa6044acac65d9e44987305 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a13e1a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild