anchor.diff:  , grilo-plugins
   , gnome-online-accounts
   , libmediaart
  -, tracker_2
  +, tracker
   , gfbgraph
   , librest
   , libsoup
  
positive.code:     sha256 = "1n2jz9i8a42zwxx5h8j2gdy6q1vyydh4vl00r0al7w8jzdh24p44";
    };
  
    nativeBuildInputs = [
      pkg-config
      wrapGAppsHook
    ];
  
negative.code: { stdenv
  , fetchurl
  , fetchpatch
  , autoconf-archive
  , autoreconfHook
  , pkg-config
  , glib
  , gnome3
  