#!/usr/bin/env ruby
require 'fileutils'
require 'getoptlong'
raise StandardError unless RUBY_VERSION =~ /^1\.9\.\d$/


opts = GetoptLong.new([ '--snapshot', '-s', GetoptLong::REQUIRED_ARGUMENT ])

opts.each { |opt, arg|
  if opt == '--snapshot' || opt == '-s'
    raise ArgumentError, "Please provide a valid directory." unless File.directory?(arg)
    FileUtils.cp_r File.expand_path(File.dirname(__FILE__) + '/..'), arg
  end
}