def exit_hook
      # Avoid hooking the exit when rspec is running, otherwise it will always return 0
      # and Travis won't detect failed builds. Couldn't find a better way, even though
      # some people managed to https://github.com/rspec/rspec-core/pull/410
      return if defined?(RSpec)

      at_exit do
        exit(run_error_exit_code) if run_error

        # The parsed_option[:url] must be checked to avoid raising erros when only -h/-v are given
        exit(NS::ExitCode::VULNERABLE) if NS::ParsedCli.url && controllers.first.target.vulnerable?
        exit(NS::ExitCode::OK)
      end
    end
def exit_hook
      # Avoid hooking the exit when rspec is running, otherwise it will always return 0
      # and Travis won't detect failed builds. Couldn't find a better way, even though
      # some people managed to https://github.com/rspec/rspec-core/pull/410
      return if defined?(RSpec)

      at_exit do
        exit(run_error_exit_code) if run_error

        # The parsed_option[:url] must be checked to avoid raising erros when only -h/-v are given
        exit(NS::ExitCode::VULNERABLE) if NS::ParsedCli.url && controllers.first.target.vulnerable?
        exit(NS::ExitCode::OK)
      end
    end
Hook to be able to have an exit code returned
 depending on the findings / errors
 :nocov: