anchor.diff:  { lib, stdenv
   , fetchFromGitHub
  +, fetchpatch
   , nix-update-script
   , pantheon
   , pkg-config
  
positive.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "sha256-kOQr94PAfLPv4LjY2WDdTtlbf3/tYf+NUESZ94+L41M=";
    };
  
    passthru = {
  
negative.code: , python3
  , granite
  , libgee
  , libhandy
  , elementary-icon-theme
  , appstream
  , wrapGAppsHook
  