friendlier no-update

scripts/bundle.py

@@ -229,6 +229,10 @@ def main() -> None:
 
     subprocess.run(["git", "add", "extensions"], check=True)
 
+    if not has_staged_changes(root):
+        print("No bundle changes.")
+        sys.exit(0)
+
     date_str = datetime.now(timezone.utc).strftime("%Y-%m-%d")
     subprocess.run(
         ["git", "commit", "-m", f"bundle: update ({date_str})"],