$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocamlgraph.git /var/lib/mock/f31-build-47032-26762/root/chroot_tmpdir/scmroot/ocaml-ocamlgraph
Cloning into '/var/lib/mock/f31-build-47032-26762/root/chroot_tmpdir/scmroot/ocaml-ocamlgraph'...
$ git reset --hard f68c523888d7a90e11011330b63b10362f50fdea
HEAD is now at f68c523 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild