anchor.diff: -{ stdenv, fetchurl, meson, ninja, pkgconfig, fetchpatch
  -, glib, gdk-pixbuf, gobject-introspection, gnome3 }:
  +{ stdenv
  +, fetchurl
  +, meson
  +, ninja
  +, pkgconfig
  +, fetchpatch
  +, glib
  +, gdk-pixbuf
  +, gobject-introspection
  +, gnome3
  +}:
   
   stdenv.mkDerivation rec {
     pname = "libnotify";
  
positive.code:     "-Dgtk_doc=false"
    ];
  
    nativeBuildInputs = [ meson ninja pkgconfig gobject-introspection ];
    propagatedBuildInputs = [ glib gdk-pixbuf ];
  
    passthru = {
      updateScript = gnome3.updateScript {
  
negative.code:     homepage = https://developer.gnome.org/notification-spec/;
      description = "A library that sends desktop notifications to a notification daemon";
      platforms = platforms.unix;
      maintainers = gnome3.maintainers;
      license = licenses.lgpl21;
    };
  }
  