$ git clone -n https://src.fedoraproject.org/rpms/ocaml-perl4caml.git /var/lib/mock/f41-build-810854-147007/root/chroot_tmpdir/scmroot/ocaml-perl4caml
Cloning into '/var/lib/mock/f41-build-810854-147007/root/chroot_tmpdir/scmroot/ocaml-perl4caml'...
$ git fetch origin 5e554ccaeac45462a33fd724c794faa8d4ca18c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-perl4caml
 * [new ref]         5e554ccaeac45462a33fd724c794faa8d4ca18c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e554cc OCaml 5.2.0 for Fedora 41