don't show diff link when commits are the same
don't show diff link when commits are the same

fr34k8/dreadnot,pipedrive/dreadnot,ebensing/dreadnot,fr34k8/dreadnot,pipedrive/dreadnot,ebensing/dreadnot,ebensing/dreadnot,racker/dreadnot,pipedrive/dreadnot,racker/dreadnot,racker/dreadnot