From 84260911693c1124df36f575f3c9f13ca4edf1f9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 23 Jul 2024 13:39:54 +0530
Subject: [PATCH] Dont leak file handle if locking fails

---
 kitty/render_cache.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kitty/render_cache.py b/kitty/render_cache.py
index f89ef6cfa..158352278 100644
--- a/kitty/render_cache.py
+++ b/kitty/render_cache.py
@@ -29,7 +29,11 @@ class ImageRenderCache:
     def __enter__(self) -> None:
         self.ensure_subdir()
         self.lock_file = open(os.path.join(self.cache_dir, self.lock_file_name), 'wb')
-        lock_file(self.lock_file)
+        try:
+            lock_file(self.lock_file)
+        except Exception:
+            self.lock_file.close()
+            raise
 
     def __exit__(self, *a: object) -> None:
         with closing(self.lock_file):