setup initial build for rico

flake.lock

@@ -331,6 +331,21 @@
         "type": "github"
       }
     },
+    "nixos-hardware": {
+      "locked": {
+        "lastModified": 1680876084,
+        "narHash": "sha256-eP9yxP0wc7XuVaODugh+ajgbFGaile2O1ihxiLxOuvU=",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "3006d2860a6ed5e01b0c3e7ffb730e9b293116e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1681036984,
@@ -522,6 +537,7 @@
         "hyprland": "hyprland",
         "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
+        "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "nixvim": "nixvim"
       }

flake.nix

@@ -25,28 +25,30 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nixos-hardware = {
+      url = "github:NixOS/nixos-hardware";
+    };
+
     nixvim = {
       url = "github:pta2002/nixvim";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { self, nixpkgs, home-manager, hyprland, impermanence, lanzaboote, nixvim }@inputs:
-    let
-      system = "x86_64-linux";
-      lib = nixpkgs.lib;
-    in
-    {
-      formatter.${system} = nixpkgs.legacyPackages.${system}.nixpkgs-fmt;
+  outputs = { self, nixpkgs, home-manager, hyprland, impermanence, lanzaboote, nixos-hardware, nixvim }@inputs: {
+    formatter."x86_64-linux" = nixpkgs.legacyPackages."x86_64-linux".nixpkgs-fmt;
+    formatter."aarch64-linux" = nixpkgs.legacyPackages."aarch64-linux".nixpkgs-fmt;
     nixosConfigurations = {
-        Skipper = lib.nixosSystem {
+      Skipper = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
         specialArgs = inputs;
         modules = [
           ./nix.nix
 
           {
             nixpkgs.overlays = [ (import ./packages) hyprland.overlays.default ];
-              system.configurationRevision = lib.mkIf (self ? rev) self.rev;
+            nixpkgs.hostPlatform = nixpkgs.lib.mkDefault "x86_64-linux";
+            system.configurationRevision = nixpkgs.lib.mkIf (self ? rev) self.rev;
           }
 
           home-manager.nixosModules.home-manager
@@ -58,6 +60,23 @@
           ./home
         ];
       };
+      Rico2 = nixpkgs.lib.nixosSystem {
+        system = "aarch64-linux";
+        specialArgs = inputs;
+        modules = [
+          ./nix.nix
+
+          {
+            nixpkgs.hostPlatform = nixpkgs.lib.mkDefault "aarch64-linux";
+            system.configurationRevision = nixpkgs.lib.mkIf (self ? rev) self.rev;
+          }
+
+          nixos-hardware.nixosModules.raspberry-pi-4
+
+          ./users
+          ./system.rico
+        ];
+      };
     };
   };
 }

nix.nix

@@ -1,4 +1,4 @@
-{ lib, ... }: {
+{ ... }: {
   nix.settings = {
     substituters = [
       "https://nix-community.cachix.org/"
@@ -10,5 +10,4 @@
     experimental-features = [ "nix-command" "flakes" ];
   };
   nixpkgs.config.allowUnfree = true;
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }

system.rico/default.nix

@@ -0,0 +1,31 @@
+{ ... }: {
+
+  imports = [
+    ./hardware
+  ];
+
+  networking.hostName = "Rico2";
+
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    extraLocaleSettings = {
+      LC_ADDRESS = "en_US.UTF-8";
+      LC_IDENTIFICATION = "en_US.UTF-8";
+      LC_MEASUREMENT = "en_US.UTF-8";
+      LC_MONETARY = "en_US.UTF-8";
+      LC_NAME = "en_US.UTF-8";
+      LC_NUMERIC = "en_US.UTF-8";
+      LC_PAPER = "en_US.UTF-8";
+      LC_TELEPHONE = "en_US.UTF-8";
+      LC_TIME = "en_US.UTF-8";
+      LC_ALL = "en_US.UTF-8";
+    };
+    supportedLocales = [ "en_US.UTF-8/UTF-8" ];
+  };
+
+  programs.zsh.enable = true;
+  services.openssh.enable = true;
+
+  time.timeZone = "Asia/Kolkata";
+  system.stateVersion = "23.05";
+}

system.rico/hardware/default.nix

@@ -0,0 +1,3 @@
+{ ... }: {
+  imports = [ ./filesystem.nix ];
+}

system.rico/hardware/filesystem.nix

@@ -0,0 +1,8 @@
+{ ... }: {
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-label/NIXOS_SD";
+    fsType = "ext4";
+    options = [ "noatime" ];
+  };
+}