$ git clone -n https://src.fedoraproject.org/rpms/google-authenticator.git /var/lib/mock/f31-build-48138-27022/root/chroot_tmpdir/scmroot/google-authenticator
Cloning into '/var/lib/mock/f31-build-48138-27022/root/chroot_tmpdir/scmroot/google-authenticator'...
$ git reset --hard e26e46aa3cd82d554b6ef4d511eb3ca724bfc29a
HEAD is now at e26e46a new upstream release