$ git clone -n https://src.fedoraproject.org/rpms/ocaml-atd.git /var/lib/mock/f40-build-740309-109638/root/chroot_tmpdir/scmroot/ocaml-atd
Cloning into '/var/lib/mock/f40-build-740309-109638/root/chroot_tmpdir/scmroot/ocaml-atd'...
$ git fetch origin 67fafda5329d551bb1ece0f7fb01d140950b4efc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-atd
 * [new ref]         67fafda5329d551bb1ece0f7fb01d140950b4efc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67fafda Version 2.15.0