$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-deriving-yojson.git /var/lib/mock/f33-build-598050-67094/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson
Cloning into '/var/lib/mock/f33-build-598050-67094/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson'...
$ git reset --hard be2a86f80fb2daa89d8f39e2567de0c651d6f3d1
HEAD is now at be2a86f Bump release and rebuild.