def main(self, options, config):
console = Console(config)
if options.subcommand == "list":
console.list_system_provides()
return
if options.subcommand == "add":
names = NameVersionParser().parse(options.name)
console.add_system_provides(names)
elif options.subcommand == "remove":
names = options.name
console.remove_system_provides(names)