From a53a2568ec6e4e53d32a48443f50eee9d9fb8fcd Mon Sep 17 00:00:00 2001
From: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>
Date: Thu, 12 Jun 2025 16:49:01 +1000
Subject: scheme: fix not saving atomically

Causes programs which rely on the save file (e.g. the shell) to fail occasionally as they try to read while the cli is writing
---
 src/caelestia/utils/paths.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/caelestia/utils/paths.py')

diff --git a/src/caelestia/utils/paths.py b/src/caelestia/utils/paths.py
index 6a6e0a8..3b5a7a6 100644
--- a/src/caelestia/utils/paths.py
+++ b/src/caelestia/utils/paths.py
@@ -1,5 +1,8 @@
 import hashlib
+import json
 import os
+import shutil
+import tempfile
 from pathlib import Path
 
 config_dir = Path(os.getenv("XDG_CONFIG_HOME", Path.home() / ".config"))
@@ -31,3 +34,10 @@ def compute_hash(path: str) -> str:
             sha.update(chunk)
 
     return sha.hexdigest()
+
+
+def atomic_dump(path: Path, content: dict[str, any]) -> None:
+    with tempfile.NamedTemporaryFile("w") as f:
+        json.dump(content, f)
+        f.flush()
+        shutil.move(f.name, path)
-- 
cgit v1.2.3-freya