anchor.diff:      json-glib
       libadwaita
       libgee
  -    pantheon.granite
     ];
   
     postPatch = ''
       chmod +x build-aux/post_install.py
       patchShebangs build-aux/post_install.py
  +    # https://github.com/lainsce/khronos/pull/75
  +    substituteInPlace build-aux/post_install.py \
  +      --replace 'gtk-update-icon-cache' 'gtk4-update-icon-cache'
     '';
   
     passthru = {
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , nix-update-script
  , meson
  
negative.code:     vala
      pkg-config
      python3
      wrapGAppsHook4
    ];
  
    buildInputs = [
  