$ git clone -n https://src.fedoraproject.org/rpms/sil-charis-compact-fonts.git /var/lib/mock/f45-build-35933-700/root/chroot_tmpdir/scmroot/sil-charis-compact-fonts
Cloning into '/var/lib/mock/f45-build-35933-700/root/chroot_tmpdir/scmroot/sil-charis-compact-fonts'...
$ git fetch origin 8513b2f313feccd24f846191dce22c92b3ac1987:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-charis-compact-fonts
 * [new ref]         8513b2f313feccd24f846191dce22c92b3ac1987 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8513b2f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild