$ git clone -n https://src.fedoraproject.org/rpms/kBuild.git /var/lib/mock/f29-build-7078-1743/root/thebuilddir/tmp/scmroot/kBuild
Cloning into '/var/lib/mock/f29-build-7078-1743/root/thebuilddir/tmp/scmroot/kBuild'...
$ git reset --hard 2594213c91d0e43bc36ca3532fc48727ffefe10a
HEAD is now at 2594213 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild