         if changedFiles.length > 0
           x = (f, innerCb) =>
             @execFunc f, (err) =>
+              growl("#{f}\n#{err}") if err
               return innerCb(err) if err
               @updateMtime(f, innerCb)
           async.forEach changedFiles, x, cb

minimatch     = require "minimatch"
fsWatchTree   = require "fs-watch-tree"
nStore        = require "nstore"
_             = require "underscore"



      if @options.batch
        if changedFiles.length > 0
          @execFunc changedFiles, (err) =>
            growl("#{@name}\n#{err}") if err
            return cb(err) if err
            async.forEach changedFiles, _.bind(@updateMtime, @), cb
        else
