From 4df7261a6ccf621d952a92b117aa58bc3d63d6d5 Mon Sep 17 00:00:00 2001
From: Daniel Huang <hello@danielh.cc>
Date: Wed, 21 Aug 2024 13:14:36 -0400
Subject: [PATCH] Simplify `is_systemd_used`

---
 src/systemd.rs | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/src/systemd.rs b/src/systemd.rs
index 9d617d5..6ef02e4 100644
--- a/src/systemd.rs
+++ b/src/systemd.rs
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
+use std::path::Path;
 use std::process::{Command, Stdio};
 use std::sync::OnceLock;
 
@@ -33,21 +34,7 @@ pub fn stop_systemd_target() {
 ///Determine if systemd is used as the init system. This should work on all linux distributions.
 pub fn is_systemd_used() -> &'static bool {
 	static IS_SYSTEMD_USED: OnceLock<bool> = OnceLock::new();
-	IS_SYSTEMD_USED.get_or_init(|| {
-		match Command::new("ls").args(["/run/systemd/system"]).output() {
-			Ok(output) => {
-				if output.status.success() {
-					true
-				} else {
-					false
-				}
-			}
-			Err(error) => {
-				warn!("unable to check if systemd is used: {}", error);
-				false
-			}
-		}
-	})
+	IS_SYSTEMD_USED.get_or_init(|| Path::new("/run/systemd/system").exists())
 }
 
 #[cfg(feature = "systemd")]