From 5e39e4695484ddeecd0dc63d587b495bc2b3c37d Mon Sep 17 00:00:00 2001
From: psychedelicious <4822129+psychedelicious@users.noreply.github.com>
Date: Tue, 12 Mar 2024 01:39:08 +1100
Subject: [PATCH] feat(config): more resiliant update_config method

Only set values that have changed.
---
 invokeai/app/services/config/config_default.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/invokeai/app/services/config/config_default.py b/invokeai/app/services/config/config_default.py
index fd224fb74e..38e79bc2b4 100644
--- a/invokeai/app/services/config/config_default.py
+++ b/invokeai/app/services/config/config_default.py
@@ -190,7 +190,10 @@ class InvokeAIAppConfig(BaseSettings):
             new_config = config
 
         for field_name in new_config.model_fields_set:
-            setattr(self, field_name, getattr(new_config, field_name))
+            new_value = getattr(new_config, field_name)
+            current_value = getattr(self, field_name)
+            if new_value != current_value:
+                setattr(self, field_name, new_value)
 
     def write_file(self, exclude_defaults: bool) -> None:
         """Write the current configuration to the `invokeai.yaml` file. This will overwrite the existing file.