From fd059693977288c1fc711425dd5f40290e046a9e Mon Sep 17 00:00:00 2001
From: Felix Fontein <felix@fontein.de>
Date: Sun, 15 Sep 2024 10:55:59 +0200
Subject: [PATCH] Fix change_config() and support 'allow' as well.

---
 src/antsibull_core/pydantic.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/antsibull_core/pydantic.py b/src/antsibull_core/pydantic.py
index 7e883f2..c46cf92 100644
--- a/src/antsibull_core/pydantic.py
+++ b/src/antsibull_core/pydantic.py
@@ -59,10 +59,10 @@ def _modify_config(
 
 def set_extras(
     models: type[p.BaseModel] | Collection[type[p.BaseModel]],
-    value: t.Literal["forbid", "ignore"],
+    value: t.Literal["allow", "ignore", "forbid"],
 ) -> None:
     def change_config(model_config: p.ConfigDict) -> bool:
-        if model_config.get("extra") != value:
+        if model_config.get("extra") == value:
             return False
         model_config["extra"] = value
         return True