From 4d3076b5994cb51b622f5db20e358b6d2a891e33 Mon Sep 17 00:00:00 2001
From: Erik Sundell <erik.i.sundell@gmail.com>
Date: Thu, 8 Jun 2023 08:50:23 +0200
Subject: [PATCH] Cache check of systemd version

---
 systemdspawner/systemd.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/systemdspawner/systemd.py b/systemdspawner/systemd.py
index 02033ff..65b2771 100644
--- a/systemdspawner/systemd.py
+++ b/systemdspawner/systemd.py
@@ -6,6 +6,7 @@
 """
 
 import asyncio
+import functools
 import os
 import re
 import shlex
@@ -222,6 +223,7 @@ async def reset_service(unit_name):
     await proc.wait()
 
 
+@functools.lru_cache
 def get_systemd_version():
     """
     Returns systemd's major version, or None if failing to do so.