anchor.diff:    buildInputs = [
       glib
       gtk3
  +    libhandy
       dconf
     ];
   
  
positive.code: , pkg-config
  , glib
  , gtk3
  , gnome
  , python3
  , dconf
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "dconf-editor";
    version = "43.beta";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "sha256-SNYG/ZZ20xX3ysml7kh/U8mDveX4jb09Qpd8qL6F+/s=";
    };
  
    patches = [
      # Look for compiled schemas in NIX_GSETTINGS_OVERRIDES_DIR
      # environment variable, to match what we patched GLib to do.
      ./schema-override-variable.patch
    ];
  
    nativeBuildInputs = [
  