anchor.diff:  
     nativeBuildInputs = [
       pkg-config
  +    python3
  +    installShellFiles
     ];
   
     buildInputs = [
  
positive.code: 
    cargoSha256 = "sha256-tAg3xwmh7SjJsm9r5TnhXHIDLpUQpz3YDS6gWxFgps4=";
  
    meta = with lib; {
      description = "Command line tool that performs HTTP requests defined in a simple plain text format.";
      homepage = "https://hurl.dev/";
      maintainers = with maintainers; [ eonpatapon ];
      license = licenses.asl20;
    };
  
negative.code: , rustPlatform
  , fetchFromGitHub
  , pkg-config
  , python3
  , installShellFiles
  , libxml2
  , openssl
  , curl
  