$ git clone -n https://src.fedoraproject.org/rpms/ocaml-base64.git /var/lib/mock/f31-build-64139-29506/root/chroot_tmpdir/scmroot/ocaml-base64
Cloning into '/var/lib/mock/f31-build-64139-29506/root/chroot_tmpdir/scmroot/ocaml-base64'...
$ git reset --hard cf83024df7dd1a78c53b7293293c6e65a3840e25
HEAD is now at cf83024 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild