From 114ef67cbb6ba6db805eadfc55ac8225ed4b7f6e Mon Sep 17 00:00:00 2001
From: Samuel Tardieu <sam@rfc1149.net>
Date: Sun, 3 Nov 2024 10:35:20 +0100
Subject: [PATCH] Don't run hwclock if /etc/ is not writable

---
 nixos/modules/system/boot/shutdown.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/modules/system/boot/shutdown.nix b/nixos/modules/system/boot/shutdown.nix
index 8cda7b3aabe8..3f25dca0cbf9 100644
--- a/nixos/modules/system/boot/shutdown.nix
+++ b/nixos/modules/system/boot/shutdown.nix
@@ -14,6 +14,7 @@ with lib;
       unitConfig = {
         DefaultDependencies = false;
         ConditionPathExists = "/dev/rtc";
+        ConditionPathIsReadWrite = "/etc/";
       };
 
       serviceConfig = {