$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-deriving-yojson.git /var/lib/mock/f33-build-181197-45227/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson
Cloning into '/var/lib/mock/f33-build-181197-45227/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson'...
$ git reset --hard b4c4e0608b30f55eecc2e6132af292ff564e4721
HEAD is now at b4c4e06 Update all OCaml dependencies for RPM 4.16.