$ git clone -n https://src.fedoraproject.org/rpms/zanshin.git /var/lib/mock/f39-build-2143544-50855/root/chroot_tmpdir/scmroot/zanshin
Cloning into '/var/lib/mock/f39-build-2143544-50855/root/chroot_tmpdir/scmroot/zanshin'...
$ git fetch origin be0b24939cb513de673122003a88ebab0ebea9f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zanshin
 * [new ref]         be0b24939cb513de673122003a88ebab0ebea9f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be0b249 23.08.4