Simple Rake task profiling

module Rake
  class Task
    def execute_with_timestamps(*args)
      start = Time.now
      execute_without_timestamps(*args)
      execution_time_in_seconds = Time.now - start
      printf("** %s took %.1f seconds\n", name, execution_time_in_seconds)
    end
    
    alias :execute_without_timestamps :execute
    alias :execute :execute_with_timestamps 
  end
end