From d0dfcd535ce27932f83d5419459668ebd1663335 Mon Sep 17 00:00:00 2001
From: Christoph Cullmann <cullmann@kde.org>
Date: Thu, 30 May 2024 17:42:54 +0200
Subject: add back some persistent stuff

---
 common.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'common.nix')

diff --git a/common.nix b/common.nix
index 45b8cf4..b0af6bf 100644
--- a/common.nix
+++ b/common.nix
@@ -97,6 +97,18 @@ in
       depends = [ "/data" ];
     };
 
+  # keep some stuff persistent
+  environment.persistence."/nix/persistent" = {
+    hideMounts = true;
+    directories = [
+      # systemd timers
+      { directory = "/var/lib/systemd/timers"; user = "root"; group = "root"; mode = "u=rwx,g=rx,o=rx"; }
+
+      # alsa state for persistent sound settings
+      { directory = "/var/lib/alsa"; user = "root"; group = "root"; mode = "u=rwx,g=rx,o=rx"; }
+    ];
+  };
+
   # enable fast dbus
   services.dbus.implementation = "broker";
 
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