anchor.diff:      gtk3
       json-glib
       libgee
  -    libhandy_0 # doesn't support libhandy-1 yet
  +    libhandy
       libsoup
       libxml2
       packagekit
  
positive.code: , gtk3
  , json-glib
  , libgee
  , libsoup
  , libxml2
  , meson
  
negative.code: , python3
  , vala
  , polkit
  , wrapGAppsHook
  }:
  
  stdenv.mkDerivation rec {
    pname = "appcenter";
    version = "3.6.0";
  
    src = fetchFromGitHub {
      owner = "elementary";
      repo = pname;
      rev = version;
      sha256 = "0kwqgilhyrj2nbvw5y34nzch5h9jnrg1a1n333qdsx4ax6yrxh4j";
    };
  
    passthru = {
      updateScript = nix-update-script {
  