parse

# File lib/bundler/vendor/thor/lib/thor/parser/options.rb, line 75
    def parse(args) # rubocop:disable MethodLength
      @pile = args.dup
      @parsing_options = true

      while peek
        if parsing_options?
          match, is_switch = current_is_switch?
          shifted = shift

          if is_switch
            case shifted
            when SHORT_SQ_RE
              unshift($1.split("").map { |f| "-#{f}" })
              next
            when EQ_RE, SHORT_NUM
              unshift($2)
              switch = $1
            when LONG_RE, SHORT_RE
              switch = $1
            end

            switch = normalize_switch(switch)
            option = switch_option(switch)
            @assigns[option.human_name] = parse_peek(switch, option)
          elsif @stop_on_unknown
            @parsing_options = false
            @extra << shifted
            @extra << shift while peek
            break
          elsif match
            @extra << shifted
            @extra << shift while peek && peek !~ /^-/
          else
            @extra << shifted
          end
        else
          @extra << shift
        end
      end

      check_requirement! unless @disable_required_check

      assigns = Bundler::Thor::CoreExt::HashWithIndifferentAccess.new(@assigns)
      assigns.freeze
      assigns
    end