class Middleman::Cli::Base

def help(meth=nil, subcommand=false)
  if meth && !self.respond_to?(meth)
    klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
    klass.start(['-h', task].compact, shell: shell)
  else
    list = []
    Thor::Util.thor_classes_in(Middleman::Cli).each do |thor_class|
      list += thor_class.printable_tasks(false)
    end
    list.sort! { |a, b| a[0] <=> b[0] }
    shell.say 'Tasks:'
    shell.print_table(list, ident: 2, truncate: true)
    shell.say
  end
end