From 113d01ce9952762a7dafca4960f80d899bdbc395 Mon Sep 17 00:00:00 2001
From: Roy Nieterau <roy_nieterau@hotmail.com>
Date: Sat, 8 Nov 2025 22:54:24 +0100
Subject: [PATCH] Add setting to always enforce the default prim value

---
 .../extract_usd_layer_contributions.py        | 10 +++++++++
 server/settings/publish_plugins.py            | 22 ++++++++++++++++---
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/client/ayon_core/plugins/publish/extract_usd_layer_contributions.py b/client/ayon_core/plugins/publish/extract_usd_layer_contributions.py
index c73d1aa447..ff1c4fec8a 100644
--- a/client/ayon_core/plugins/publish/extract_usd_layer_contributions.py
+++ b/client/ayon_core/plugins/publish/extract_usd_layer_contributions.py
@@ -641,6 +641,7 @@ class ExtractUSDLayerContribution(publish.Extractor):
     settings_category = "core"
 
     use_ayon_entity_uri = False
+    enforce_default_prim = False
 
     def process(self, instance):
 
@@ -651,6 +652,15 @@ class ExtractUSDLayerContribution(publish.Extractor):
         path = get_last_publish(instance)
         if path and BUILD_INTO_LAST_VERSIONS:
             sdf_layer = Sdf.Layer.OpenAsAnonymous(path)
+
+            # If enabled in settings, ignore any default prim specified on
+            # older publish versions and always publish with the AYON
+            # standard default prim
+            if self.enforce_default_prim:
+                sdf_layer.defaultPrim = get_standard_default_prim_name(
+                    folder_path
+                )
+
             default_prim = sdf_layer.defaultPrim
         else:
             default_prim = get_standard_default_prim_name(folder_path)
diff --git a/server/settings/publish_plugins.py b/server/settings/publish_plugins.py
index ee422a0acf..60bd933344 100644
--- a/server/settings/publish_plugins.py
+++ b/server/settings/publish_plugins.py
@@ -251,6 +251,19 @@ class AyonEntityURIModel(BaseSettingsModel):
     )
 
 
+class ExtractUSDLayerContributionModel(AyonEntityURIModel):
+    enforce_default_prim: bool = SettingsField(
+        title="Always set default prim to folder name.",
+        description=(
+            "When enabled ignore any default prim specified on older "
+            "published versions of a layer and always override it to the  "
+            "AYON standard default prim. When disabled, preserve default prim "
+            "on the layer and then only the initial version would be setting "
+            "the AYON standard default prim."
+        )
+    )
+
+
 class PluginStateByHostModelProfile(BaseSettingsModel):
     _layout = "expanded"
     # Filtering
@@ -1134,9 +1147,11 @@ class PublishPuginsModel(BaseSettingsModel):
         default_factory=AyonEntityURIModel,
         title="Extract USD Asset Contribution",
     )
-    ExtractUSDLayerContribution: AyonEntityURIModel = SettingsField(
-        default_factory=AyonEntityURIModel,
-        title="Extract USD Layer Contribution",
+    ExtractUSDLayerContribution: ExtractUSDLayerContributionModel = (
+        SettingsField(
+            default_factory=ExtractUSDLayerContributionModel,
+            title="Extract USD Layer Contribution",
+        )
     )
     PreIntegrateThumbnails: PreIntegrateThumbnailsModel = SettingsField(
         default_factory=PreIntegrateThumbnailsModel,
@@ -1526,6 +1541,7 @@ DEFAULT_PUBLISH_VALUES = {
     },
     "ExtractUSDLayerContribution": {
         "use_ayon_entity_uri": False,
+        "enforce_default_prim": False,
     },
     "PreIntegrateThumbnails": {
         "enabled": True,