code: def run(args):
      
      if args is None:
          return
      
      cmd = args["commands"][0]
      if cmd == "configure":
          if len(args["commands"]) < 2:# pragma: no cover
              msg.err("'configure' command requires a second, sub-command "
                      "parameter. E.g., `acorn.py configure packages`.")
              exit(0)
  
          subcmd = args["commands"][1]
          _run_configure(subcmd, args)
docs: Runs the acorn setup/configuration commands.