anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "elementary-shortcut-overlay";
  -  version = "1.2.0";
  +  version = "1.2.1";
   
     repoName = "shortcut-overlay";
   
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , fetchpatch
  , nix-update-script
  , pantheon
  , pkg-config
  
negative.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "sha256-qmqzGCM3cVM6y80pzjm5CCyG6BO6XlKZiODAAEnwVrM=";
    };
  
    nativeBuildInputs = [
  