feat: impermanence

flake.lock

@@ -7,32 +7,46 @@
         ]
       },
       "locked": {
-        "lastModified": 1756245065,
+        "lastModified": 1761266473,
-        "narHash": "sha256-aAZNbGcWrVRZgWgkQbkabSGcDVRDMgON4BipMy69gvI=",
+        "narHash": "sha256-QxCyKWBmuzI+eMhYV1JmbZsiUnBNATRP1EW34OBt5Vg=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "54b2879ce622d44415e727905925e21b8f833a98",
+        "rev": "5c71d4a730bd3c972befff343bb074421e345937",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-25.05",
         "repo": "home-manager",
         "type": "github"
       }
     },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1756217674,
+        "lastModified": 1761114652,
-        "narHash": "sha256-TH1SfSP523QI7kcPiNtMAEuwZR3Jdz0MCDXPs7TS8uo=",
+        "narHash": "sha256-f/QCJM/YhrV/lavyCVz8iU3rlZun6d+dAiC3H+CDle4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "4e7667a90c167f7a81d906e5a75cba4ad8bee620",
+        "rev": "01f116e4df6a15f4ccdffb1bcd41096869fb385c",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.05",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -40,6 +54,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "impermanence": "impermanence",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -5,10 +5,11 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable/";
     home-manager.url = "github:nix-community/home-manager";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
+    impermanence.url = "github:nix-community/impermanence";
   };
 
   outputs =
-    { self, nixpkgs, home-manager, ... } @ inputs:
+    { self, nixpkgs, impermanence, home-manager, ... } @ inputs:
     let
       system = "x86_64-linux";
       username = "xory";
@@ -19,6 +20,7 @@
 	  modules = [
       ./hosts/${hostName}/configuration.nix
 	    ./hosts/${hostName}/hardware-configuration.nix
+      impermanence.nixosModules.impermanence
 
 	    home-manager.nixosModules.home-manager {
 	      home-manager.useGlobalPkgs = true;

hosts/voidspear/configuration.nix

@@ -18,25 +18,10 @@
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
   networking.hostName = "voidspear"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
 
   # Enable networking
   networking.networkmanager.enable = true;
 
-  # ZeroTier
-  services.zerotierone.enable = true;
-  services.zerotierone.joinNetworks = [ "b3ce837c63" "363c67c55a726a89" ];
-
-  programs.nix-ld.enable = true;
-  programs.nix-ld.libraries = with pkgs; [
-    libGL
-    SDL2
-  ];
-
   # Set your time zone.
   time.timeZone = "Europe/Athens";
 
@@ -55,6 +40,50 @@
     LC_TIME = "en_GB.UTF-8";
   };
 
+  # Impermanence
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-uuid/1578f380-e588-419b-ace0-f63e6a48ca39";
+    fsType = "ext4";
+    neededForBoot = true;
+  };
+
+  environment.persistence."/persist" = {
+    hideMounts = true;
+    directories = [
+      "/home"
+      "/var/log"
+      "/var/lib/bluetooth"
+      "/etc/NetworkManager/system-connections"
+      "/var/lib/nixos"
+    ];
+  };
+
+  environment.etc."machine-id" = {
+    source = "/persist/etc/machine-id";
+    mode = "0444";
+  };
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  programs.zsh.enable = true; # home-manager already installs this but nixos complains w/o it 
+  users.users.xory = {
+    isNormalUser = true;
+    description = "xory";
+    extraGroups = [ "networkmanager" "wheel" "docker" "libvirt" "dialout" ];
+    shell = pkgs.zsh;
+    initialHashedPassword = "$6$JXLpG5JYMJgZndm9$0sC8uPJ99cYL.hNv3DFQ20ky8tiZoxioe9GlMEanTwAD99LJ175/bHtN6Bm6bYsQG1BVGRdmphnXEcWS9ApoK0";
+  };
+
+  # ZeroTier
+  services.zerotierone.enable = true;
+  services.zerotierone.joinNetworks = [ "b3ce837c63" "363c67c55a726a89" ];
+
+  programs.nix-ld.enable = true;
+  programs.nix-ld.libraries = with pkgs; [
+    libGL
+    SDL2
+  ];
+
+
   # Enable the X11 windowing system.
   # You can disable this if you're only using the Wayland session.
   services.xserver.enable = true;
@@ -103,17 +132,6 @@
   # Enable touchpad support (enabled default in most desktopManager).
   # services.xserver.libinput.enable = true;
 
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-  programs.zsh.enable = true; # home-manager already installs this but nixos complains w/o it 
-  users.users.xory = {
-    isNormalUser = true;
-    description = "xory";
-    extraGroups = [ "networkmanager" "wheel" "docker" "libvirt" "dialout" ];
-    packages = with pkgs; [
-    #  thunderbird
-    ];
-    shell = pkgs.zsh;
-  };
 
   services.ollama.enable = true;
   services.ollama.acceleration = "cuda";

hosts/voidspear/home.nix

@@ -20,10 +20,7 @@
     ffmpeg
     yt-dlp
     prismlauncher
-    (discord.override {
+    vesktop
-      withOpenASAR = true;
-      withVencord = true;
-    })
     keepassxc
     obs-studio
     mpv