anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "libgweather";
  -  version = "4.1.0";
  +  version = "4.2.0";
   
     outputs = [ "out" "dev" "devdoc" ];
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  -    sha256 = "ALuJmOO5qQXzqNMpX8wVZS1rCc2l76Ik5nRN7Xq9plo=";
  +    sha256 = "r4qBLaDYl2oADh1iVywlYIaoFzI/vzWwZtv92NLKYgM=";
     };
   
     patches = [
  
positive.code:     glib
      libsoup_3
      libxml2
      geocode-glib_2
    ];
  
  
negative.code:   ];
  
    postPatch = ''
      patchShebangs build-aux/meson/gen_locations_variant.py
  
      # Run-time dependency gi-docgen found: NO (tried pkgconfig and cmake)
  