$ git clone -n https://src.fedoraproject.org/rpms/ocaml-omake.git /var/lib/mock/f40-build-768368-125293/root/chroot_tmpdir/scmroot/ocaml-omake
Cloning into '/var/lib/mock/f40-build-768368-125293/root/chroot_tmpdir/scmroot/ocaml-omake'...
$ git fetch origin 3400bbff6732f4f5ffce421130980a67af12f661:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-omake
 * [new ref]         3400bbff6732f4f5ffce421130980a67af12f661 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3400bbf Bump release and rebuild