anchor.diff:  
     buildInputs = [
       gtk4
  -    evolution-data-server # waiting for GTK4 port
  +    evolution-data-server-gtk4
       libical
  -    libsoup
  +    libsoup_3
       glib
       libgweather
       geoclue2
  -    geocode-glib
  +    geocode-glib_2
       gsettings-desktop-schemas
       libadwaita
     ];
  
positive.code: , wrapGAppsHook4
  , libgweather
  , geoclue2
  , geocode-glib
  , gettext
  , libxml2
  , gnome
  , gtk4
  , evolution-data-server
  , libical
  , libsoup
  , glib
  , gsettings-desktop-schemas
  , libadwaita
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-calendar";
    version = "43.alpha";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "VJOLEzJq0L4xYp/RL9/tJgp0A8AIehU0TaNYxgxGyuc=";
    };
  
    nativeBuildInputs = [
  