tools: Add script to load+save all scenes that use some resource

tools/bulk_resave_scenes.gd

@@ -0,0 +1,45 @@
+# SPDX-FileCopyrightText: The Threadbare Authors
+# SPDX-License-Identifier: MPL-2.0
+@tool
+class_name BulkResaveScenes
+extends EditorScript
+## Loads and saves all scenes which depend on particular resource(s)
+##
+## Edit [const DEPENDENCIES] then run this in the editor.
+## [br][br]
+## This can be useful when the dependency has code that adjusts the scene (or
+## itself) when opened in the editor. You can also use Project -> Tools ->
+## Upgrade Project Files... but that saves every scene in the project and takes
+## ages.
+
+const Util = preload("./util.gd")
+const DEPENDENCIES := [
+	"res://scenes/game_elements/props/collectible_item/collectible_item.tscn",
+]
+
+
+func _matches(scene_path: String) -> bool:
+	for dependency: String in ResourceLoader.get_dependencies(scene_path):
+		var path := dependency.get_slice("::", 2) if dependency.contains("::") else dependency
+		if path in DEPENDENCIES:
+			return true
+
+	return false
+
+
+func resave(ps: PackedScene) -> void:
+	var root_node := ps.instantiate(PackedScene.GenEditState.GEN_EDIT_STATE_INSTANCE)
+	var result := ps.pack(root_node)
+	if result == OK:
+		result = ResourceSaver.save(ps)
+		if result != OK:
+			prints("failed to save", ps, result)
+	else:
+		prints("failed to pack", ps, result)
+	root_node.queue_free()
+
+
+func _run() -> void:
+	for ps: PackedScene in Util.find_scenes("res://scenes/quests", _matches):
+		prints("-", ps.resource_path)
+		resave(ps)

tools/bulk_resave_scenes.gd.uid

@@ -0,0 +1 @@
+uid://ckmx0dwqwraju