anchor.diff:      ninja
       pkg-config
       vala
  -    wrapGAppsHook
  +    wrapGAppsNoGuiHook
     ];
   
     # TODO: add libenca, libosinfo
  
positive.code:     libjpeg
      libosinfo
      libpng
      libsoup
      libtiff
      libuuid
      libxml2
      poppler
      taglib
    ] ++ lib.optionals stdenv.isLinux [
      evolution-data-server
      libseccomp
      networkmanager
      systemd
  
negative.code: , ninja
  , pkg-config
  , vala
  , wrapGAppsNoGuiHook
  , bzip2
  , dbus
  , exempi
  , giflib
  , glib
  