new_contents: from optparse import make_option
  
  from django.core.management.base import BaseCommand
  
  from pypi.tasks import synchronize_mirror
  
  
  class Command(BaseCommand):
  
      option_list = BaseCommand.option_list + (
          make_option("--since",
              dest="since",
              default=-1),
          )
  
      def handle(self, *args, **options):
          if options.get("since", -1) == -1:
              since = None
          else:
              since = 0
  
          synchronize_mirror.delay(since=since)
  
          print "Done"
  
subject: add the sync_mirror command