$ git clone -n https://src.fedoraproject.org/rpms/ocaml-stdlib-random.git /var/lib/mock/f42-build-865639-173376/root/chroot_tmpdir/scmroot/ocaml-stdlib-random
Cloning into '/var/lib/mock/f42-build-865639-173376/root/chroot_tmpdir/scmroot/ocaml-stdlib-random'...
$ git fetch origin 55bb3d05e6b8a230a0ea361823c30eeaca20de25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-stdlib-random
 * [new ref]         55bb3d05e6b8a230a0ea361823c30eeaca20de25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55bb3d0 OCaml 5.3.0 rebuild for Fedora 42