command :publish do |c|
  c.syntax = 'brief publish PUBLISHER [options]'
  c.description = 'publish a brief file with whatever publisher template you want to use.'

  c.option '--from FILE', 'Specify a file to read from. Otherwise we use $EDITOR'

  c.action do |args, options|
    path = case
    when options.from
      Pathname(options.from)
    when (Pathname(args.last).exist? rescue false)
      Pathname(args.pop)
    end

    document   = Brief::Document.new(path: path)

    publisher = if path && path.exist? && args.empty?
      guess = path.basename.to_s.gsub(/\.\w+$/,'')

      Brief::Publisher.find(guess)
    else
      Brief::Publisher.find(args)
    end

    document.publish(publisher)
  end
end