$ git clone -n https://src.fedoraproject.org/rpms/graphlcd-base.git /var/lib/mock/f45-build-12996-444/root/chroot_tmpdir/scmroot/graphlcd-base
Cloning into '/var/lib/mock/f45-build-12996-444/root/chroot_tmpdir/scmroot/graphlcd-base'...
$ git fetch origin 2e2cb9d70c00156421a69690f324b7cd7a9bbfb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/graphlcd-base
 * [new ref]         2e2cb9d70c00156421a69690f324b7cd7a9bbfb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e2cb9d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild