# File lib/rhc/config.rb, line 241
    def check_cpath(opts)
      unless opts["config"].nil?
        opts_config_path = File.expand_path(opts["config"])
        if !File.readable?(opts_config_path)
          raise Errno::EACCES.new "Could not open config file: #{@opts_config_path}"
        else
          set_opts_config(opts_config_path)
        end
      end
    end