$ git clone -n https://src.fedoraproject.org/rpms/liberation-fonts.git /var/lib/mock/f45-build-16147-483/root/chroot_tmpdir/scmroot/liberation-fonts
Cloning into '/var/lib/mock/f45-build-16147-483/root/chroot_tmpdir/scmroot/liberation-fonts'...
$ git fetch origin 99e2a2241f7ed6c75a25bb28b6106f7bf9badd84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liberation-fonts
 * [new ref]         99e2a2241f7ed6c75a25bb28b6106f7bf9badd84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99e2a22 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild