anchor.diff:  , gtk3
   , gobject-introspection
   , gdk-pixbuf
  +, librest
   , librsvg
   , libgweather
   , geoclue2
   , wrapGAppsHook
   , folks
   , libchamplain
  -, gfbgraph
   , libsoup
   , gsettings-desktop-schemas
   , webkitgtk
  
positive.code:     libgee
      libgweather
      libhandy
      librsvg
      libsoup
      webkitgtk
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-maps";
    version = "41.0";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "sha256-G0CC22wHDp3LCFJZ6+PIpCG44eiyezKEq2BXULudjJI=";
    };
  
    doCheck = true;
  