anchor.diff:  { lib, stdenv
   , fetchFromGitHub
  +, fetchpatch
   , nix-update-script
   , pantheon
   , meson
   , ninja
   , pkg-config
  -, vala_0_52
  +, vala
   , desktop-file-utils
   , gtk3
   , libaccounts-glib
  
positive.code:     sha256 = "1zq9zfsc987vvrzadw9xqi3rlbi4jv2s82axkgy7ijm3ibi58ddc";
    };
  
    passthru = {
      updateScript = nix-update-script {
        attrPath = "pantheon.${pname}";
      };
    };
  
    nativeBuildInputs = [
      appstream
  
negative.code:     ninja
      pkg-config
      python3
      vala
      wrapGAppsHook
    ];
  
  