anchor.diff:    inherit (lib)
       boolEn;
   
  -  version = "2017-08-10";
  +  version = "2017-10-23";
   in
   stdenv.mkDerivation rec {
     name = "gnome-mpv-${version}";
  
positive.code: { stdenv
  , autoconf
  , autoconf-archive
  , automake
  , fetchFromGitHub
  , gettext
  , intltool
  , lib
  , libtool
  , makeWrapper
  , pkgconfig
  
  , adwaita-icon-theme
  , appstream-glib
  
negative.code:     wayland
    ];
  
    postPatch = ''
      patchShebangs src/generate_authors.py
    '' + /* Post-install is already handled by setup-hooks */ ''
      sed -i meson.build \
        -e '/meson_post_install.py/d'
    '';
  
    preFixup = ''
      wrapProgram $out/bin/gnome-mpv  \
  