gli 2 hack for supporting multiple usage of same switch

app.rb

#!/usr/bin/env ruby
require 'gli'
include GLI::App

AsdMulti = Object.new

asd = []
accept(AsdMulti) do |value|
 asd << value
 asd
end

program_desc 'A simple todo list'
desc 'Be verbose'
switch [:v,:verbose]

desc 'List tasks'
long_desc 'Lists all tasks that have yet to be completed by the user.'
$todo_list = [1,2,3]
command :list do |c|
  c.desc 'Show completed tasks as well as incomplete tasks'
  c.switch [:a,:all]
  c.flag "asd", type: AsdMulti

  c.action do |global_options,options,args|
    puts args.inspect
    puts options.inspect
    show = options[:all] ? :all : :incomplete
    $todo_list.each do |todo|
      printf("%s\n", todo)
    end
  end
end
exit run(ARGV)