       callback error
 
   changeFileList: (path, isHelper = no) =>
-    @start = Date.now()
+    @start ?= Date.now()
     compiler = @plugins.filter(isCompilerFor.bind(null, path))[0]
-    @changedFiles
     @fileList.emit 'change', path, compiler, isHelper
 
   removeFromFileList: (path) =>
-    @start = Date.now()
+    @start ?= Date.now()
     @fileList.emit 'unlink', path
 
   initWatcher: (callback) ->

      params.server.port = options.port if options.port
    @config = helpers.loadConfig options.configPath, params
    @joinConfig = getJoinConfig @config
    @changedFiles = Object.create(null)

  clone: ->
    new BrunchWatcher(@persistent, @options, @onCompile)

        .on('error', logger.error)
      callback()

  onCompile: (generatedFiles) =>
    @_onCompile generatedFiles
    @plugins
      .filter (plugin) ->
        typeof plugin.onCompile is 'function'
      .forEach (plugin) ->
        plugin.onCompile generatedFiles
    @start = null

  compile: =>
    fs_utils.write @fileList, @config, @joinConfig, @plugins, @start, (error, result) =>
