migration: split system config and move fonts to system

1 files changed, 27 insertions, 0 deletions

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"
+      ];
+    };
+  };
+}