$ git clone -n https://src.fedoraproject.org/rpms/dnssec-system-tray.git /var/lib/mock/f29-build-6276-1533/root/thebuilddir/tmp/scmroot/dnssec-system-tray
Cloning into '/var/lib/mock/f29-build-6276-1533/root/thebuilddir/tmp/scmroot/dnssec-system-tray'...
$ git reset --hard 5b3f8319d3da1154fd2c64db757f11f1e2297836
HEAD is now at 5b3f831 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild