From f5d5950e0a5b76f7ed1c64a99cc8e647699e0ada Mon Sep 17 00:00:00 2001
From: Nick <nickjhiebert@proton.me>
Date: Wed, 5 Nov 2025 02:01:34 -0600
Subject: [PATCH] test: impermanence

---
 systems/ceres/config/filesystem.nix | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/systems/ceres/config/filesystem.nix b/systems/ceres/config/filesystem.nix
index cdd647e..40d0f7d 100755
--- a/systems/ceres/config/filesystem.nix
+++ b/systems/ceres/config/filesystem.nix
@@ -12,7 +12,7 @@ in
     "/" = {
       device = "/dev/disk/by-uuid/00d712c2-5883-4409-afd8-514886f4e824";
       fsType = "btrfs";
-      options = [ "subvol=root" ];
+      options = [ "subvol=@" ];
     };
 
     "/nix" = {
@@ -42,12 +42,12 @@ in
 
   boot.initrd.postResumeCommands = lib.mkAfter ''
     mkdir /btrfs_tmp
-    mount -o subvolid=5 /dev/sdb2 /btrfs_tmp
+    mount -o subvolid=5 /dev/sda2 /btrfs_tmp
 
-    if [[ -e /btrfs_tmp/root ]]; then
+    if [[ -e /btrfs_tmp/@ ]]; then
         mkdir -p /btrfs_tmp/old_roots
-        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
-        mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/@)" "+%Y-%m-%-d_%H:%M:%S")
+        mv /btrfs_tmp/@ "/btrfs_tmp/old_roots/$timestamp"
     fi
 
     delete_subvolume_recursively() {
@@ -62,7 +62,7 @@ in
         delete_subvolume_recursively "$i"
     done
 
-    btrfs subvolume create /btrfs_tmp/root
+    btrfs subvolume create /btrfs_tmp/@
     umount /btrfs_tmp
   '';