anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , fetchFromGitHub
   , nix-update-script
   , pantheon
  
positive.code: 
    postFixup = "gtk-update-icon-cache $out/share/icons/elementary";
  
    meta = with lib; {
      description = "Named, vector icons for elementary OS";
      longDescription = ''
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "elementary-icon-theme";
    version = "6.1.0";
  
    repoName = "icons";
  
  