Configuring my impermanence correctly

config/system/persistence.nix

@@ -9,7 +9,7 @@
       "/etc/NetworkManager/system-connections"
     ];
     files = [
-      "/etc/machine-id"
+      # "/etc/machine-id"
     ];
     users.${username} = {
       directories = [

flake.lock

@@ -224,6 +224,21 @@
         "type": "github"
       }
     },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1706639736,
+        "narHash": "sha256-CaG4j9+UwBDfinxxvJMo6yOonSmSo0ZgnbD7aj2Put0=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "cd13c2917eaa68e4c49fea0ff9cada45440d7045",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
     "nix-colors": {
       "inputs": {
         "base16-schemes": "base16-schemes",
@@ -368,6 +383,7 @@
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "hyprland-plugins": "hyprland-plugins",
+        "impermanence": "impermanence",
         "nix-colors": "nix-colors",
         "nixpkgs": "nixpkgs_2",
         "nixvim": "nixvim"

flake.nix

@@ -15,13 +15,14 @@
       url = "github:nix-community/nixvim";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    impermanence.url = "github:nix-community/impermanence";
   };
 
-  outputs = inputs@{ nixpkgs, home-manager, ... }:
+  outputs = inputs@{ nixpkgs, home-manager, impermanence, ... }:
   let
     system = "x86_64-linux";
-    username = "zaney";
-    hostname = "hyprnix";
+    username = builtins.exec "echo $USER";
+    hostname = builtins.exec "hostname";
 
     pkgs = import nixpkgs {
       inherit system;
@@ -38,6 +39,7 @@
         };
 	modules = [ 
 	  ./system.nix
+	  impermanence.nixosModules.impermanence
           home-manager.nixosModules.home-manager {
 	    home-manager.extraSpecialArgs = {
 	      inherit username; inherit inputs;

hardware.nix

@@ -1,7 +1,7 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ config, lib, pkgs, modulesPath, username, ... }:
 
 {
   imports =
@@ -18,7 +18,7 @@
     {
       device = "none";
       fsType = "tmpfs";
-      options = [ "defaults" "size=25%" "mode=755" ];
+      options = [ "defaults" "size=35%" "mode=755" ];
     };
 
   fileSystems."/boot" =
@@ -43,6 +43,13 @@
       options = [ "bind" ];
     };
 
+  fileSystems."/home/${username}/zaneyos" =
+    {
+      device = "/nix/persist/etc/nixos/zaneyos";
+      fsType = "none";
+      options = [ "bind" ];
+    };
+
   fileSystems."/var/log" =
     {
       device = "/nix/persist/var/log";

options.nix

@@ -4,7 +4,7 @@
 
 let
   # YOU MUST CHANGE THIS 
-  userHome = "/home/zaney";
+  userHome = builtins.exec "eval echo ~$USER";
 in {
   # User Variables
   gitUsername = "Tyler Kelley";