$ git clone -n https://src.fedoraproject.org/rpms/ocaml-yojson.git /var/lib/mock/f33-build-147369-43110/root/chroot_tmpdir/scmroot/ocaml-yojson
Cloning into '/var/lib/mock/f33-build-147369-43110/root/chroot_tmpdir/scmroot/ocaml-yojson'...
$ git reset --hard 9f6a90eff9ce3a6d7cabf39a1bd6209fc8b27720
HEAD is now at 9f6a90e OCaml 4.10.0 final.