From bb7dd7b64668d4b645dba38a3bc52be452d14eb8 Mon Sep 17 00:00:00 2001
From: AUTOMATIC1111 <16777216c@gmail.com>
Date: Tue, 22 Aug 2023 17:45:38 +0300
Subject: [PATCH] use an atomic operation to replace the cache with the new
 version

---
 modules/cache.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/cache.py b/modules/cache.py
index a7cd3aebc..ff26a2132 100644
--- a/modules/cache.py
+++ b/modules/cache.py
@@ -30,9 +30,12 @@ def dump_cache():
             time.sleep(1)
 
         with cache_lock:
-            with open(cache_filename, "w", encoding="utf8") as file:
+            cache_filename_tmp = cache_filename + "-"
+            with open(cache_filename_tmp, "w", encoding="utf8") as file:
                 json.dump(cache_data, file, indent=4)
 
+            os.replace(cache_filename_tmp, cache_filename)
+
             dump_cache_after = None
             dump_cache_thread = None