From 4e05093a1db61871926e7cfdc01f415270a105bc Mon Sep 17 00:00:00 2001
From: Nick <nickjhiebert@proton.me>
Date: Wed, 5 Nov 2025 12:51:52 -0600
Subject: [PATCH] test: impermanence

---
 systems/ceres/config/filesystem.nix | 86 ++++++++++++++---------------
 1 file changed, 42 insertions(+), 44 deletions(-)

diff --git a/systems/ceres/config/filesystem.nix b/systems/ceres/config/filesystem.nix
index 3ab6ff9..3a00f76 100755
--- a/systems/ceres/config/filesystem.nix
+++ b/systems/ceres/config/filesystem.nix
@@ -6,55 +6,53 @@
 }:
 let
   inherit (flake.config.people) user0;
+
+  rootDevice = "/dev/disk/by-uuid/8596aaba-338f-4f9d-ba9d-a63bcbc38523";
 in
 {
-  fileSystems =
-    let
-      rootDevice = "/dev/disk/by-uuid/8596aaba-338f-4f9d-ba9d-a63bcbc38523";
-    in
-    {
-      "/" = {
-        device = rootDevice;
-        fsType = "btrfs";
-        options = [
-          "subvol=root"
-        ];
-      };
-
-      "/nix" = {
-        device = rootDevice;
-        fsType = "btrfs";
-        options = [
-          "subvol=nix"
-        ];
-      };
-
-      "/persistent" = {
-        device = rootDevice;
-        fsType = "btrfs";
-        neededForBoot = true;
-        options = [
-          "subvol=persistent"
-        ];
-      };
-
-      "/boot" = {
-        device = "/dev/disk/by-uuid/7328-07C6";
-        fsType = "vfat";
-        options = [
-          "fmask=0077"
-          "dmask=0077"
-        ];
-      };
-
-      "/mnt/storage" = {
-        device = "/dev/disk/by-label/storage";
-        fsType = "ext4";
-      };
+  fileSystems = {
+    "/" = {
+      device = rootDevice;
+      fsType = "btrfs";
+      options = [
+        "subvol=root"
+      ];
     };
+
+    "/nix" = {
+      device = rootDevice;
+      fsType = "btrfs";
+      options = [
+        "subvol=nix"
+      ];
+    };
+
+    "/persistent" = {
+      device = rootDevice;
+      fsType = "btrfs";
+      neededForBoot = true;
+      options = [
+        "subvol=persistent"
+      ];
+    };
+
+    "/boot" = {
+      device = "/dev/disk/by-uuid/7328-07C6";
+      fsType = "vfat";
+      options = [
+        "fmask=0077"
+        "dmask=0077"
+      ];
+    };
+
+    "/mnt/storage" = {
+      device = "/dev/disk/by-label/storage";
+      fsType = "ext4";
+    };
+  };
   boot.initrd.postResumeCommands = lib.mkAfter ''
     mkdir /btrfs_tmp
-    mount -o subvolid=5 /dev/sda2 /btrfs_tmp
+    mount -o subvolid=5 ${rootDevice} /btrfs_tmp
 
     if [[ -e /btrfs_tmp/root ]]; then
         mkdir -p /btrfs_tmp/old_roots