anchor.diff:  
     meta = with stdenv.lib; {
       description = "A simple GObject game controller library";
  -    homepage = "https://gitlab.gnome.org/aplazas/libmanette";
  +    homepage = "https://gnome.pages.gitlab.gnome.org/libmanette/";
       license = licenses.lgpl21Plus;
       maintainers = teams.gnome.members;
       platforms = platforms.unix;
  
positive.code: , pkgconfig
  , vala
  , gobject-introspection
  , glib
  , libgudev
  , libevdev
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "libmanette";
    version = "0.2.6";
  
    outputs = [ "out" "dev" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "1b3bcdkk5xd5asq797cch9id8692grsjxrc1ss87vv11m1ck4rb3";
    };
  
    nativeBuildInputs = [
  