$ git clone -n https://src.fedoraproject.org/rpms/ocaml-gettext.git /var/lib/mock/f40-build-2221047-52673/root/chroot_tmpdir/scmroot/ocaml-gettext
Cloning into '/var/lib/mock/f40-build-2221047-52673/root/chroot_tmpdir/scmroot/ocaml-gettext'...
$ git fetch origin c1c705234975a171a50a7ed9782e106cbb80add9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-gettext
 * [new ref]         c1c705234975a171a50a7ed9782e106cbb80add9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1c7052 OCaml 5.1.1 + s390x code gen fix for Fedora 40