$ git clone -n https://src.fedoraproject.org/rpms/cog.git /var/lib/mock/f31-build-91977-32343/root/chroot_tmpdir/scmroot/cog
Cloning into '/var/lib/mock/f31-build-91977-32343/root/chroot_tmpdir/scmroot/cog'...
$ git reset --hard 4682a647df724a9a3ec1664c0381d87c1d3338ba
HEAD is now at 4682a64 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild