def check_script(path)
      binary=path.split(' ')[0]
      raise "#{path} does not exist" unless File.exist? binary
      raise "#{path} is not executable" unless File.executable? binary
      path
    end
def check_script(path)
      binary=path.split(' ')[0]
      raise "#{path} does not exist" unless File.exist? binary
      raise "#{path} is not executable" unless File.executable? binary
      path
    end
Do additional sanity checking on a hook script