def munge_options(options)
      keys_to_munge = [:build_directory, :tayfile]
      munged = {}
      options.keys.each do |key|
        if keys_to_munge.include?(key)
          new_key = key.to_s.gsub(/_/, '-')
        end
        munged[new_key || key] = options[key]
      end
      munged
    end
def munge_options(options)
      keys_to_munge = [:build_directory, :tayfile]
      munged = {}
      options.keys.each do |key|
        if keys_to_munge.include?(key)
          new_key = key.to_s.gsub(/_/, '-')
        end
        munged[new_key || key] = options[key]
      end
      munged
    end
We're using Tay's CLI helpers and they expect string optiopns with
 dashes, rather than symbols and underscores. So munge!