Fix cached include file count calculation

Author: bencroker

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release Notes for Blitz
 
+## 5.12.3 - Unreleased
+
+- Fixed a bug in which the cached include file count was not being correctly calculated ([#833](https://github.com/putyourlightson/craft-blitz/issues/833)).
+
 ## 5.12.2 - 2025-08-11
 
 - Improved the handling of cacheable action requests.

composer.json

@@ -1,7 +1,7 @@
 {
   "name": "putyourlightson/craft-blitz",
   "description": "Intelligent static page caching for creating lightning-fast sites.",
-  "version": "5.12.2",
+  "version": "5.12.3",
   "type": "craft-plugin",
   "homepage": "https://putyourlightson.com/plugins/blitz",
   "license": "proprietary",

src/drivers/storage/FileStorage.php

@@ -324,14 +324,13 @@ public function getCachedIncludeCount(string $path): int
             return 0;
         }
 
-        $path = rtrim($path, '/') . '/' . CacheRequestService::CACHED_INCLUDE_PREFIX;
-
         if (!is_dir($path)) {
             return 0;
         }
 
-        return count(FileHelper::findFiles($path, [
-            'only' => ['index.html'],
+        return count(FileHelper::findDirectories($path, [
+            'filter' => fn($path) => str_starts_with(basename($path), CacheRequestService::CACHED_INCLUDE_PREFIX),
+            'recursive' => false,
         ]));
     }