Commit: 2283b6ef6928c2ce0bfe283a9c4744a113412574
Author: Campbell Barton
Date: Tue Mar 9 23:46:14 2021 +1100
Branches: master
https://developer.blender.org/rB2283b6ef6928c2ce0bfe283a9c4744a113412574
Fix the session UUID being set for temporary blend file data
Triggered by temporarily appending library linked data from Python.
===================================================================
M source/blender/blenkernel/intern/lib_id.c
===================================================================
diff --git a/source/blender/blenkernel/intern/lib_id.c
b/source/blender/blenkernel/intern/lib_id.c
index f3a1c01ad26..af921307bfb 100644
--- a/source/blender/blenkernel/intern/lib_id.c
+++ b/source/blender/blenkernel/intern/lib_id.c
@@ -171,7 +171,9 @@ static void lib_id_clear_library_data_ex(Main *bmain, ID
*id)
/* Conceptually, an ID made local is not the same as the linked one anymore.
Reflect that by
* regenerating its session UUID. */
- BKE_lib_libblock_session_uuid_renew(id);
+ if ((id->tag & LIB_TAG_TEMP_MAIN) == 0) {
+ BKE_lib_libblock_session_uuid_renew(id);
+ }
/* We need to tag this IDs and all of its users, conceptually new local ID
and original linked
* ones are two completely different data-blocks that were virtually
remapped, even though in
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