old_contents: """Automate release process. 
  
  This is "dodo" file (suposed to be run with DoIt).
  """
  
  def task_revision():
      return "bzr version-info > revision.txt"
  
  def task_manifest():
      return "bzr ls --versioned > MANIFEST"
  
  def task_sdist():
      return "python setup.py sdist"
  
  
new_contents: """Automate release process. 
  
  This is "dodo" file (suposed to be run with DoIt).
  """
  
  def task_revision():
      return "bzr version-info > revision.txt"
  
  def task_manifest():
      return "bzr ls --versioned > MANIFEST;echo 'revision.txt' >> MANIFEST"
  
  
  def task_sdist():
      return "python setup.py sdist"
  
  
subject: include revision.txt in source distribtion.