From d4a65ca9197db98306df37c1e17b85a1e6a0d67d Mon Sep 17 00:00:00 2001
From: Caroline Larimore <caroline@larimo.re>
Date: Wed, 5 Feb 2025 16:14:42 -0800
Subject: migration: split system config and move fonts to system

---
 .../modules/nixos/system/impermanence/default.nix  | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 snowfall/modules/nixos/system/impermanence/default.nix

(limited to 'snowfall/modules/nixos/system/impermanence/default.nix')

diff --git a/snowfall/modules/nixos/system/impermanence/default.nix b/snowfall/modules/nixos/system/impermanence/default.nix
new file mode 100644
index 0000000..cf3f697
--- /dev/null
+++ b/snowfall/modules/nixos/system/impermanence/default.nix
@@ -0,0 +1,27 @@
+{ options, config, lib, namespace, ... }:
+
+with lib; with lib.${namespace}; let
+  cfg = config.${namespace}.system.impermanence;
+in {
+  options.${namespace}.system.impermanence = with types; {
+    enable = mkEnableOption "root impermanence";
+  };
+
+  config = mkIf cfg.enable {
+    environment.persistence."/persist/system" = {
+      hideMounts = true;
+
+      directories = [
+        "/etc/nixos"
+        "/var/log"
+        "/var/lib/nixos"
+        "/var/lib/systemd/coredump"
+        # "/var/lib/bluetooth"
+      ];
+      
+      files = [
+        "/etc/machine-id"
+      ];
+    };
+  };
+}
-- 
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