$ git clone -n https://src.fedoraproject.org/rpms/google-authenticator.git /var/lib/mock/f31-build-63645-29414/root/chroot_tmpdir/scmroot/google-authenticator
Cloning into '/var/lib/mock/f31-build-63645-29414/root/chroot_tmpdir/scmroot/google-authenticator'...
$ git reset --hard 613597685a278b3806ce981bfdcb34948dd8c952
HEAD is now at 6135976 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild