From d91744559890dccafba76136f75218a10ab2a148 Mon Sep 17 00:00:00 2001
From: Bozhidar Batsov <bozhidar@batsov.dev>
Date: Sat, 28 Feb 2026 10:42:52 +0200
Subject: Don't store nil in project cache on corrupt/empty cache files

When projectile-unserialize returns nil (corrupt or empty file),
don't store nil in projectile-projects-cache. A nil entry prevents
future reload attempts until the user manually invalidates.
---
 projectile.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/projectile.el b/projectile.el
index 1a4429e..57b6ce4 100644
--- a/projectile.el
+++ b/projectile.el
@@ -1154,7 +1154,9 @@ The cache is created both in memory and on the hard drive."
   "Load the cache file for PROJECT-ROOT in memory."
   (when-let* ((cache-file (projectile-project-cache-file project-root)))
     (when (file-exists-p cache-file)
-      (puthash project-root (projectile-unserialize cache-file) projectile-projects-cache))))
+      (when-let* ((data (projectile-unserialize cache-file)))
+        (puthash project-root data projectile-projects-cache)
+        data))))
 
 ;;;###autoload
 (defun projectile-purge-file-from-cache (file)
-- 
cgit v1.0