$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-deriving.git /var/lib/mock/f37-build-643802-72135/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving
Cloning into '/var/lib/mock/f37-build-643802-72135/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving'...
$ git reset --hard 3fa0cb9af733aeb9c9b51fdb2a9f1ac3822ac97b
HEAD is now at 3fa0cb9 Rebuild for ocaml-ppxlib 0.27.0.