Merge branches 'kresctl-tab-completion' 'kresctl-tab-completion-ignore-dash'

diff --cc python/knot_resolver/client/commands/completion.py
index 9084a31008e2bca9f7cf8f7c93635f7d1b4ccd68,b7a804d89b3dd4de9ba24089dcc63cdb32dbd003..03f4a9c669522fb65737acc08dc1a9bc3e21652e
--- 1/python/knot_resolver/client/commands/completion.py
--- 2/python/knot_resolver/client/commands/completion.py
+++ b/python/knot_resolver/client/commands/completion.py
@@@ -50,43 -48,10 +42,17 @@@ class CompletionCommand(Command)
          shells.add_argument("--bash", action="store_const", dest=shells_dest, const=Shells.BASH, default=Shells.BASH)
          shells.add_argument("--fish", action="store_const", dest=shells_dest, const=Shells.FISH)
  
 +        completion.add_argument(
 +            "--args",
 +            help="arguments to complete",
 +            nargs=argparse.REMAINDER,
 +            default=[]
 +        )
 +
          return completion, CompletionCommand
  
-     @staticmethod
-     def completion(args: List[str], parser: argparse.ArgumentParser) -> CompWords:
-         return get_subparsers_words(parser._actions)
- 
      def run(self, args: CommandArgs) -> None:
-         subparsers = args.parser._subparsers
-         words: CompWords = {}
- 
-         if subparsers:
-             words = get_subparsers_words(subparsers._actions)
- 
-             uargs = iter(self.args)
-             for uarg in uargs:
-                 subparser = get_subparser_by_name(uarg, subparsers._actions)  # pylint: disable=W0212
- 
-                 if subparser:
-                     cmd: Command = get_subparser_command(subparser)
-                     subparser_args = self.args[self.args.index(uarg) + 1 :]
-                     if subparser_args or self.space:
-                         words = cmd.completion(subparser_args, subparser)
-                     break
-                 elif uarg in ["-s", "--socket", "-c", "--config"]:
-                     # if arg is socket config, skip next arg
-                     next(uargs)
-                     continue
-                 elif uarg in words:
-                     # uarg is valid arg, continue
-                     continue
+         words = Command.completion(args.parser, self.comp_args)
  
          # print completion words
          # based on required bash/fish shell format