# File lib/vendor/fssm/ext.rb, line 15
  def chop_basename(path)
    base = File.basename(path)
    # the original version of this method recalculates this regexp
    # each run, despite the pattern never changing.
    if CHOP_PAT =~ base
      return nil
    else
      return path[0, path.rindex(base)], base
    end
  end