# File lib/ohai/system.rb, line 171
    def require_plugin(plugin_name, force=false)
      unless force
        return true if @seen_plugins[plugin_name]
      end

      if Ohai::Config[:disabled_plugins].include?(plugin_name)
        Ohai::Log.debug("Skipping disabled plugin #{plugin_name}")
        return false
      end

      @plugin_path = plugin_name

      filename = "#{plugin_name.gsub("::", File::SEPARATOR)}.rb"

      Ohai::Config[:plugin_path].each do |path|
        check_path = File.expand_path(File.join(path, filename))
        begin
          @seen_plugins[plugin_name] = true
          Ohai::Log.debug("Loading plugin #{plugin_name}")
          from_file(check_path)
          return true
        rescue Errno::ENOENT => e
          Ohai::Log.debug("No #{plugin_name} at #{check_path}")
        rescue SystemExit, Interrupt
          raise
        rescue Exception,Errno::ENOENT => e
          Ohai::Log.debug("Plugin #{plugin_name} threw exception #{e.inspect} #{e.backtrace.join("\n")}")
        end
      end
    end