[PATCH] patman: Fix defaults not propegating to subparsers

[Sean Anderson]

On python 3.8.10, subparsers are not updated with defaults. I suspect
this is related to [1]. Fix this by explicitly updating subparsers with
settings.

[1] https://github.com/python/cpython/issues/89398

Fixes: 3145b63513 ("patman: Update defaults in subparsers")
Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---

 tools/patman/settings.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/patman/settings.py b/tools/patman/settings.py
index 7c2b5c196c..658fe12be5 100644
--- a/tools/patman/settings.py
+++ b/tools/patman/settings.py
@@ -246,8 +246,10 @@ def _UpdateDefaults(main_parser, config):
 
     # Collect the defaults from each parser
     defaults = {}
+    parser_defaults = []
     for parser in parsers:
         pdefs = parser.parse_known_args()[0]
+        parser_defaults.append(pdefs)
         defaults.update(vars(pdefs))
 
     # Go through the settings and collect defaults
@@ -264,8 +266,10 @@ def _UpdateDefaults(main_parser, config):
         else:
             print("WARNING: Unknown setting %s" % name)
 
-    # Set all the defaults (this propagates through all subparsers)
+    # Set all the defaults (this does NOT propagate through all subparsers)
     main_parser.set_defaults(**defaults)
+    for parser, pdefs in zip(parsers, parser_defaults):
+        parser.set_defaults(**{ k: v for k, v in defaults.items() if k in pdefs})
 
 def _ReadAliasFile(fname):
     """Read in the U-Boot git alias file if it exists.
-- 
2.35.1.1320.gc452695387.dirty