From 4210004147784c3c03c96deb5ee538843f1b8af1 Mon Sep 17 00:00:00 2001
From: Nick <nickjhiebert@proton.me>
Date: Tue, 4 Nov 2025 23:16:03 -0600
Subject: [PATCH] test: impermanence

---
 systems/ceres/config/filesystem.nix | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/systems/ceres/config/filesystem.nix b/systems/ceres/config/filesystem.nix
index 99b15e4..dadfee1 100755
--- a/systems/ceres/config/filesystem.nix
+++ b/systems/ceres/config/filesystem.nix
@@ -48,29 +48,29 @@ in
   };
 
   boot.initrd.postResumeCommands = lib.mkAfter ''
-    mkdir -p /mnt
-    mount -o subvol=/ /dev/disk/by-label/root /mnt
+    mkdir -p /btrfs_tmp
+    mount -o subvol=/ /dev/disk/by-label/root /btrfs_tmp
 
-    if [[ -e /mnt/@ ]]; then
-        mkdir -p /mnt/@old_roots
-        timestamp=$(date --date="@$(stat -c %Y /mnt/@)" "+%Y-%m-%d_%H:%M:%S")
-        mv /mnt/@ "/mnt/@old_roots/$timestamp"
+    if [[ -e /btrfs_tmp/@ ]]; then
+        mkdir -p /btrfs_tmp/@old_roots
+        timestamp=$(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() {
         IFS=$'\n'
         for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
-            delete_subvolume_recursively "/mnt/$i"
+            delete_subvolume_recursively "/btrfs_tmp/$i"
         done
         btrfs subvolume delete "$1"
     }
 
-    for i in $(find /mnt/@old_roots/ -maxdepth 1 -mtime +30); do
+    for i in $(find /btrfs_tmp/@old_roots/ -maxdepth 1 -mtime +30); do
         delete_subvolume_recursively "$i"
     done
 
-    btrfs subvolume create /mnt/@
-    umount /mnt
+    btrfs subvolume create /btrfs_tmp/@
+    umount /btrfs_tmp
   '';
 
   environment.persistence."/persistent" = {