Fix for another subaction argument-parsing edge case (#712).

borgmatic/commands/arguments.py

@@ -161,17 +161,21 @@ def parse_arguments_for_actions(unparsed_arguments, action_parsers):
 
         subaction_parsers = get_subaction_parsers(action_parser)
 
-        # Parse with subaction parsers, if any.
+        # But first parse with subaction parsers, if any.
         if subaction_parsers:
             subactions_parsed = False
 
             for subaction_name, subaction_parser in subaction_parsers.items():
                 remaining_action_arguments.append(
-                    parse_and_record_action_arguments(
-                        unparsed_arguments,
-                        arguments,
-                        subaction_parser,
-                        subaction_name,
+                    tuple(
+                        argument
+                        for argument in parse_and_record_action_arguments(
+                            unparsed_arguments,
+                            arguments,
+                            subaction_parser,
+                            subaction_name,
+                        )
+                        if argument != action_name
                     )
                 )
 

tests/integration/commands/test_arguments.py

@@ -587,7 +587,13 @@ def test_parse_arguments_config_with_subaction_and_required_flags_does_not_raise
     module.parse_arguments('config', 'bootstrap', '--repository', 'repo.borg')
 
 
-def test_parse_arguments_config_with_subaction_and_global_flags_does_not_raise(capsys):
+def test_parse_arguments_config_with_subaction_and_global_flags_at_start_does_not_raise(capsys):
     flexmock(module.collect).should_receive('get_default_config_paths').and_return(['default'])
 
     module.parse_arguments('--verbosity', '1', 'config', 'bootstrap', '--repository', 'repo.borg')
+
+
+def test_parse_arguments_config_with_subaction_and_global_flags_at_end_does_not_raise(capsys):
+    flexmock(module.collect).should_receive('get_default_config_paths').and_return(['default'])
+
+    module.parse_arguments('config', 'bootstrap', '--repository', 'repo.borg', '--verbosity', '1')