$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mccs.git /var/lib/mock/f41-build-811968-147631/root/chroot_tmpdir/scmroot/ocaml-mccs
Cloning into '/var/lib/mock/f41-build-811968-147631/root/chroot_tmpdir/scmroot/ocaml-mccs'...
$ git fetch origin 81b5b6b284b943f5b21ca924edd828087c85aca8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mccs
 * [new ref]         81b5b6b284b943f5b21ca924edd828087c85aca8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81b5b6b OCaml 5.2.0 for Fedora 41