anchor.diff:  { stdenv
   , lib
   , fetchurl
  -, fetchpatch
   , pkg-config
   , gi-docgen
   , meson
   , ninja
  -, python3
   , gnome
   , desktop-file-utils
   , appstream-glib
  
positive.code:     ninja
      pkg-config
      gi-docgen
      python3
      gobject-introspection
      wrapGAppsHook
    ];
  
    buildInputs = [
  
negative.code: , glib
  , atk
  , gobject-introspection
  , wrapGAppsHook4
  }:
  
  stdenv.mkDerivation rec {
    pname = "ghex";
    version = "42.0";
  
    outputs = [ "out" "dev" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/ghex/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "Ly11VO8SimxoAJ2YY5TiBMMWeMU+HUpAnyGQmNS/ybs=";
    };
  
    nativeBuildInputs = [
      desktop-file-utils
  