anchor.diff:      homepage = https://wiki.gnome.org/Apps/Maps;
       description = "A map application for GNOME 3";
       maintainers = gnome3.maintainers;
  -    license = licenses.gpl2;
  +    license = licenses.gpl2Plus;
       platforms = platforms.linux;
     };
   }
  
positive.code:     webkitgtk
    ];
  
    # The .service file isn't wrapped with the correct environment
    # so misses GIR files when started. By re-pointing from the gjs
    # entry point to the wrapped binary we get back to a wrapped
    # binary.
    preConfigure = ''
      substituteInPlace "data/org.gnome.Maps.service.in" \
          --replace "Exec=@pkgdatadir@/org.gnome.Maps" \
                    "Exec=$out/bin/gnome-maps"
  
negative.code: { stdenv, fetchurl, meson, ninja, gettext, python3, pkgconfig, gnome3, gtk3
  , gobjectIntrospection, gdk_pixbuf, librsvg, libgweather
  , geoclue2, wrapGAppsHook, folks, libchamplain, gfbgraph, libsoup
  , webkitgtk, gjs, libgee, geocode-glib, evolution-data-server, gnome-online-accounts }:
  
  let
    pname = "gnome-maps";
    version = "3.30.2.1";
  in stdenv.mkDerivation rec {
    name = "${pname}-${version}";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
      sha256 = "01hqv36j5ji0djq4vl151113bqhh4hpz72d88fm8zds4pdlx7l57";
    };
  
    doCheck = true;
  
    nativeBuildInputs = [ meson ninja pkgconfig gettext python3 wrapGAppsHook ];
    buildInputs = [
      gobjectIntrospection
      gtk3 geoclue2 gjs libgee folks gfbgraph
  