$ git clone -n https://src.fedoraproject.org/rpms/carbon-c-relay.git /var/lib/mock/f31-build-56568-28234/root/chroot_tmpdir/scmroot/carbon-c-relay
Cloning into '/var/lib/mock/f31-build-56568-28234/root/chroot_tmpdir/scmroot/carbon-c-relay'...
$ git reset --hard 7d6d73478c2af6fbce22134675539f004b49c428
HEAD is now at 7d6d734 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild