anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , fetchFromGitHub
   , nix-update-script
   , meson
  
positive.code: , vala
  , pkg-config
  , desktop-file-utils
  , pantheon
  , python3
  , glib
  , gtk4
  , json-glib
  , libadwaita
  , libgee
  , wrapGAppsHook
  }:
  
  stdenv.mkDerivation rec {
    pname = "khronos";
    version = "3.5.9";
  
    src = fetchFromGitHub {
      owner = "lainsce";
      repo = pname;
      rev = version;
      sha256 = "sha256-3FatmyANB/tNYSN2hu5IVkyCy0YrC3uA2d/3+5u48w8=";
    };
  
    nativeBuildInputs = [
  
negative.code:     vala
      pkg-config
      python3
      wrapGAppsHook4
    ];
  
    buildInputs = [
  