$ git clone -n https://src.fedoraproject.org/rpms/rhbzquery.git /var/lib/mock/f41-build-side-1-2824924-33350/root/chroot_tmpdir/scmroot/rhbzquery
Cloning into '/var/lib/mock/f41-build-side-1-2824924-33350/root/chroot_tmpdir/scmroot/rhbzquery'...
$ git fetch origin fbd320305fcbd24cdb06ab1998d43ec09b8e5107:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rhbzquery
 * [new ref]         fbd320305fcbd24cdb06ab1998d43ec09b8e5107 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbd3203 bump release