anchor.diff:  , stdenv
   , fetchFromGitHub
   , substituteAll
  -, fetchpatch
   , meson
   , ninja
   , pkg-config
  
positive.code:     gst_all_1.gst-plugins-good
      gst_all_1.gstreamer
      gtk3
      libcanberra
      libpeas
      sqlite
  
negative.code: , libxml2
  , glib
  , gobject-introspection
  , json-glib
  , libpeas
  , gsettings-desktop-schemas
  , gettext
  