old_contents: #!/usr/bin/env python
  #
  #
  import sys
  print sys.argv
  sys.exit(-1)
new_contents: #!/usr/bin/env python
  #
  #
  
  import sys
  import os
  from zipfile import ZipFile, ZIP_DEFLATED
  
  target = sys.argv[1]
  sources = sys.argv[2:]
  root = os.path.commonprefix(sources)
  
  z = ZipFile(target, 'w', ZIP_DEFLATED)
  for source in sources:
      z.write(source, source[len(root):])
  z.close()
  
subject: Add zip file builder