$ git clone -n https://src.fedoraproject.org/rpms/ocaml-dune.git /var/lib/mock/f31-build-48534-27149/root/chroot_tmpdir/scmroot/ocaml-dune
Cloning into '/var/lib/mock/f31-build-48534-27149/root/chroot_tmpdir/scmroot/ocaml-dune'...
$ git reset --hard c1ebc8d06d049160ad0a52844110841e22f08f7e
HEAD is now at c1ebc8d OCaml 4.08.0 (final) rebuild.