Wtf why did it remove everything.

modules/system/devices/disks/default.nix

@@ -0,0 +1,9 @@
+{ ... }:
+{
+  imports = [
+    ./filesystems
+    ./immutable
+    ./impermanence
+    ./snapper
+  ];
+}

modules/system/devices/disks/filesystems/default.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+{
+  boot.supportedFilesystems = {
+    btrfs = true;
+    ntfs = true;
+    zfs = true;
+  };
+
+  services = {
+    btrfs.autoScrub.enable = true;
+    fstrim.enable = true;
+  };
+}

modules/system/devices/disks/immutable/default.nix

@@ -0,0 +1,5 @@
+{ ... }:
+{
+  system.etc.overlay.mutable = false;
+  boot.tmp.cleanOnBoot = true;
+}

modules/system/devices/disks/impermanence/default.nix

@@ -0,0 +1,8 @@
+{ impermanence, ... }:
+{
+  imports = [
+    ./main
+    ./root
+    impermanence.nixosModules.impermanence
+  ];
+}

modules/system/devices/disks/impermanence/main/default.nix

@@ -0,0 +1,46 @@
+{ config, ... }:
+{
+  environment.persistence."/persist" = {
+    hideMounts = true;
+    users.${config.sysusers.main} = {
+      directories = [
+        "Keepers"
+        "Documents"
+        "Pictures"
+        "Videos"
+        "Games"
+        "VMs"
+
+        ".snapshots"
+        ".mozilla"
+        ".thunderbird"
+
+        ".config/blender"
+        ".config/dconf"
+        ".config/vesktop"
+        ".config/sunshine"
+        ".config/heroic"
+        ".config/obs-studio"
+
+        ".local/share/mpd"
+        ".local/share/nvim/undo"
+        ".local/share/PrismLauncher"
+        ".local/share/Steam"
+        ".local/share/TelegramDesktop"
+
+        ".local/state/wireplumber"
+
+        ".cache/nix-index"
+
+        { directory = ".ssh"; mode = "0700"; }
+        { directory = ".gnupg"; mode = "0700"; }
+        { directory = ".local/share/keyrings"; mode = "0700"; }
+      ];
+      files = [
+        ".zsh_history"
+        ".local/state/lazygit/state.yml"
+        ".local/share/applications" # Create directory so nothing generates inside of it
+      ];
+    };
+  };
+}

modules/system/devices/disks/impermanence/root/default.nix

@@ -0,0 +1,15 @@
+{ ... }:
+{
+  environment.persistence."/persist" = {
+    hideMounts = true;
+    directories = [
+      "/etc/nixos"
+      "/etc/secureboot"
+      "/var/lib/nixos"
+    ];
+    files = [
+      "/etc/machine-id"
+      "/root/.gitconfig"
+    ];
+  };
+}

modules/system/devices/disks/snapper/default.nix

@@ -0,0 +1,12 @@
+{ ... }:
+{
+  imports = [
+    ./main
+    ./root
+  ];
+
+  services.snapper = {
+    snapshotInterval = "0/6:00:00";
+    persistentTimer = true;
+  };
+}

modules/system/devices/disks/snapper/main/default.nix

@@ -0,0 +1,12 @@
+{ config, lib, ... }:
+{
+  services.snapper.configs.${config.sysusers.main} = lib.mkIf config.environment.persistence."/persist".enable {
+    SUBVOLUME = "/persist/home/${config.sysusers.main}";
+    TIMELINE_CREATE = true;
+    TIMELINE_CLEANUP = true;
+    TIMELINE_LIMIT_DAILY = 1;
+    TIMELINE_LIMIT_WEEKLY = 1;
+    TIMELINE_LIMIT_MONTHLY = 0;
+    TIMELINE_LIMIT_YEARLY = 0;
+  };
+}

modules/system/devices/disks/snapper/root/default.nix

@@ -0,0 +1,12 @@
+{ config, lib, ... }:
+{
+  services.snapper.configs.root = lib.mkIf config.environment.persistence."/persist".enable {
+    SUBVOLUME = "/persist";
+    TIMELINE_CREATE = true;
+    TIMELINE_CLEANUP = true;
+    TIMELINE_LIMIT_DAILY = 1;
+    TIMELINE_LIMIT_WEEKLY = 0;
+    TIMELINE_LIMIT_MONTHLY = 0;
+    TIMELINE_LIMIT_YEARLY = 0;
+  };
+}