old_contents: import zeit.archive.interfaces
  
  
  def build_main():
      url = sys.argv[1]
      zeit.archive.volume.rebuildVolume(url)
  
  
new_contents: import sys
  import gocept.runner
  import zeit.archive.interfaces
  import zeit.archive.volume
  
  
  @gocept.runner.once()
  def build_main():
      url = sys.argv[1]
      zeit.archive.volume.rebuildVolume(url)
  
  
subject: Use gocept runner.