$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-deriving.git /var/lib/mock/f33-build-273144-51600/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving
Cloning into '/var/lib/mock/f33-build-273144-51600/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving'...
$ git reset --hard cdab13a3b47cb17125138fd90e14a0787e4452c3
HEAD is now at cdab13a OCaml 4.11.0+dev2-2020-04-22 rebuild