$ git clone -n https://src.fedoraproject.org/rpms/ocaml-uuseg.git /var/lib/mock/f41-build-856758-167773/root/chroot_tmpdir/scmroot/ocaml-uuseg
Cloning into '/var/lib/mock/f41-build-856758-167773/root/chroot_tmpdir/scmroot/ocaml-uuseg'...
$ git fetch origin e830b57158a36efe5f27f7e906f9ba908538f662:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-uuseg
 * [new ref]         e830b57158a36efe5f27f7e906f9ba908538f662 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e830b57 Version 16.0.0