fix: structure files don't need DataVersion to match

Author: BPR02

beet_observer/data_pack.py

@@ -1,7 +1,7 @@
 from typing import Any
 
 import beet.contrib.worldgen as wg
-from beet import Context, NamespaceProxy
+from beet import Context, NamespaceProxy, Structure
 
 
 def gen_dp_overlays(
@@ -214,6 +214,8 @@ def gen_registry_overlay(
     else:
         # check if files are exactly the same
         try:
+            if isinstance(registry[name],Structure):
+                registry_overlay[name].data['DataVersion'] = registry[name].data['DataVersion']
             if registry[name].data != registry_overlay[name].data:
                 # move file from overlay pack to overlay in build pack
                 ctx.data.overlays[overlay_dir][name] = registry_overlay[name]

examples/overlay_adds_structure/beet.yaml

@@ -0,0 +1,13 @@
+data_pack:
+  load: src
+  pack_format: 57
+  supported_formats: [48,57]
+
+pipeline:
+  - beet_observer
+
+meta:
+  observer:
+    default_format: 57
+    overlays:
+      - process: proc

examples/overlay_adds_structure/proc/data/demo/structure/demo.nbt

@@ -0,0 +1,6 @@
+{
+  "pack": {
+    "pack_format": 48,
+    "description": ""
+  }
+}

examples/overlay_adds_structure/proc/data/demo/structure/foo.nbt

@@ -0,0 +1,13 @@
+data_pack:
+  load: src
+  pack_format: 57
+  supported_formats: [48,57]
+
+pipeline:
+  - beet_observer
+
+meta:
+  observer:
+    default_format: 57
+    overlays:
+      - process: proc

examples/overlay_adds_structure/proc/pack.mcmeta

@@ -0,0 +1,6 @@
+{
+  "pack": {
+    "pack_format": 48,
+    "description": ""
+  }
+}