721          {'short': 'f', 'action' : 'store_true',

   721          {'short': 'f', 'action' : 'store_true',

   722           'default' : False,

   722           'default' : False,

   723           'help': 'don\'t check instance is up to date.'}

   723           'help': 'don\'t check instance is up to date.'}

   724          ),

   724          ),

   725         )

   725         )

   726     def run(self, args):

   727     def run(self, args):

   727         appid = pop_arg(args, 99, msg="No instance specified !")

   728         appid = pop_arg(args, 99, msg="No instance specified !")

   728         config = cwcfg.config_for(appid)

   729         config = cwcfg.config_for(appid)

   729         if self.config.ext_sources:

   730         if self.config.ext_sources:

   730             assert not self.config.system_only

   731             assert not self.config.system_only