# File lib/rspec/core/configuration_options.rb, line 44
      def parse_options
        @options = begin
                     command_line_options = parse_command_line_options
                     local_options        = parse_local_options(command_line_options)
                     global_options       = parse_global_options
                     env_options          = parse_env_options

                     [global_options, local_options, command_line_options, env_options].inject do |merged, options|
                       merged.merge(options)
                     end
                   end
      end