anchor.diff:  { lib, stdenv
   , fetchFromGitHub
  +, fetchpatch
   , nix-update-script
   , pantheon
   , pkg-config
  
positive.code: , libgee
  , xorg
  , libgnomekbd
  }:
  
  stdenv.mkDerivation rec {
    pname = "wingpanel-indicator-keyboard";
    version = "2.2.1";
  
    src = fetchFromGitHub {
      owner = "elementary";
      repo = pname;
      rev = version;
      sha256 = "sha256-/sTx0qT7gNj1waQg9OKqHY6MtL+p0NljiIAXKA3DYmA=";
    };
  
    passthru = {
  
negative.code:   buildInputs = [
      granite
      gtk3
      ibus
      libgee
      wingpanel
      xorg.xkeyboardconfig
  