$ git clone -n https://src.fedoraproject.org/rpms/ocaml-base64.git /var/lib/mock/f33-build-197048-47535/root/chroot_tmpdir/scmroot/ocaml-base64
Cloning into '/var/lib/mock/f33-build-197048-47535/root/chroot_tmpdir/scmroot/ocaml-base64'...
$ git reset --hard c3cdb8b082a418dd04be795af56f8c6cf04249d1
HEAD is now at c3cdb8b OCaml 4.11.0+dev2-2020-04-22 rebuild