$ git clone -n git://pkgs.fedoraproject.org/rpms/gimmix /var/lib/mock/f29-build-6644-1634/root/thebuilddir/tmp/scmroot/gimmix
Cloning into '/var/lib/mock/f29-build-6644-1634/root/thebuilddir/tmp/scmroot/gimmix'...
$ git reset --hard 9cd09dd8df467ff2b5034b035b4eeb5d682aa5d3
HEAD is now at 9cd09dd - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild