$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mlgmpidl.git /var/lib/mock/f40-build-2077304-49564/root/chroot_tmpdir/scmroot/ocaml-mlgmpidl
Cloning into '/var/lib/mock/f40-build-2077304-49564/root/chroot_tmpdir/scmroot/ocaml-mlgmpidl'...
$ git fetch origin d0ce2eb2a45b577f54e89052c597c1dd80aebf30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mlgmpidl
 * [new ref]         d0ce2eb2a45b577f54e89052c597c1dd80aebf30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0ce2eb OCaml 5.1.1 + s390x code gen fix for Fedora 40