$ git clone -n https://src.fedoraproject.org/rpms/sil-apparatus-fonts.git /var/lib/mock/f45-build-35904-700/root/chroot_tmpdir/scmroot/sil-apparatus-fonts
Cloning into '/var/lib/mock/f45-build-35904-700/root/chroot_tmpdir/scmroot/sil-apparatus-fonts'...
$ git fetch origin 8db2631472e842cc014c3f1365ccf17d8c1ced7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-apparatus-fonts
 * [new ref]         8db2631472e842cc014c3f1365ccf17d8c1ced7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8db2631 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild