class Guard::RSpec::Deprecator

def _use_cmd_option
  %w(color drb fail_fast formatter env bundler
     binstubs rvm cli spring turnip zeus foreman).each do |option|
    next unless options.key?(option.to_sym)
    _deprecated(
      "The :#{option} option is deprecated." \
      " Please customize the new :cmd option to fit your need."
    )
  end
end