Fix T91987: Linking overrides does not apply overrides rules.

Just a matter of calling `BKE_lib_override_library_main_update` in
`library_link_end`.

1 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 3ee5e41bf1f..491322e06df 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5040,7 +5040,6 @@ static void library_link_end(Main *mainl,
     add_main_to_main(mainvar, main_newid);
   }
 
-  BKE_main_free(main_newid);
   blo_join_main((*fd)->mainlist);
   mainvar = (*fd)->mainlist->first;
   MEM_freeN((*fd)->mainlist);
@@ -5054,6 +5053,15 @@ static void library_link_end(Main *mainl,
 
   placeholders_ensure_valid(mainvar);
 
+  /* Apply overrides of newly linked data if needed. Already existing IDs need to split out, to
+   * avoid re-applying their own overrides. */
+  BLI_assert(BKE_main_is_empty(main_newid));
+  split_main_newid(mainvar, main_newid);
+  BKE_lib_override_library_main_validate(main_newid, (*fd)->reports->reports);
+  BKE_lib_override_library_main_update(main_newid);
+  add_main_to_main(mainvar, main_newid);
+  BKE_main_free(main_newid);
+
   BKE_main_id_tag_all(mainvar, LIB_TAG_NEW, false);
 
   /* Make all relative paths, relative to the open blend file. */