$ git clone -n https://src.fedoraproject.org/rpms/ocaml-zarith.git /var/lib/mock/f33-build-201803-48098/root/chroot_tmpdir/scmroot/ocaml-zarith
Cloning into '/var/lib/mock/f33-build-201803-48098/root/chroot_tmpdir/scmroot/ocaml-zarith'...
$ git reset --hard fa7f2e25ef93b934b36220ae31936e4530907258
HEAD is now at fa7f2e2 OCaml 4.11.0+dev2-2020-04-22 rebuild