basic pi stuff, ugly but functional

flake.nix

@@ -69,12 +69,24 @@
     nixos-apple-silicon.url = "github:nix-community/nixos-apple-silicon";
 
     pre-commit-hooks-nix.url = "github:cachix/pre-commit-hooks.nix";
+
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    nix-index-database = {
+      url = "github:nix-community/nix-index-database";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
   };
 
   # We will handle this in the next section.
   outputs = inputs:
-  
-    inputs.snowfall-lib.mkFlake {
+  let
+    snowfall = inputs.snowfall-lib.mkFlake {
       # You must provide our flake inputs to Snowfall Lib.
       inherit inputs;
 
@@ -92,6 +104,7 @@
           impermanence.nixosModules.impermanence
           lanzaboote.nixosModules.lanzaboote
           sops-nix.nixosModules.sops
+          home-manager.nixosModules.home-manager
         ];
 
         # common darwin modules
@@ -129,6 +142,7 @@
               nixos-hardware.nixosModules.common-cpu-amd-pstate
               nixos-hardware.nixosModules.common-cpu-amd-zenpower
               nixos-hardware.nixosModules.common-hidpi
+              home-manager.nixosModules.home-manager
             ];
             # overlays = with inputs; [ crowdsec.overlays.default ];
           };
@@ -169,6 +183,7 @@
 
         homes = {
           modules = with inputs; [
+            nix-index-database.homeModules.nix-index
             sops-nix.homeManagerModules.sops
           ];
 
@@ -177,11 +192,11 @@
           ];
 
           users = {
-            "matt@desktop" = {
-              modules = with inputs; [
-                sops-nix.homeManagerModules.sops
-              ];
-            };
+            # "matt@desktop" = {
+            #   modules = with inputs; [
+            #     sops-nix.homeManagerModules.sops
+            #   ];
+            # };
             "deck@deck" = {
               modules = with inputs; [
                 steam-rom-manager.homeManagerModules.default
@@ -206,5 +221,57 @@
             title = "mjallen Flake";
         };
       };
+
+      outputs-builder = channels: {
+        formatter = inputs.treefmt-nix.lib.mkWrapper channels.nixpkgs ./treefmt.nix;
+      };
+    };
+    
+    piSystems = {
+      pi4 = inputs.nixos-raspberrypi.lib.nixosSystem {
+        specialArgs = inputs // {
+          # Add any special args you need
+        };
+        system = "aarch64-linux";
+        modules = [
+          # Import your Snowfall modules manually
+          ./systems/aarch64-linux/pi4
+          inputs.disko.nixosModules.disko
+          ./systems/aarch64-linux/pi4/disko.nix
+          inputs.nixos-hardware.nixosModules.raspberry-pi-4
+          {
+            imports = with inputs.nixos-raspberrypi.nixosModules; [
+              raspberry-pi-4.base
+              raspberry-pi-4.display-vc4
+              raspberry-pi-4.bluetooth
+              raspberry-pi-4.case-argonone
+            ];
+          }
+          inputs.impermanence.nixosModules.impermanence
+          inputs.sops-nix.nixosModules.sops
+          inputs.home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+            home-manager.backupFileExtension = "backup";
+            home-manager.extraSpecialArgs = { inherit inputs; };
+            home-manager.sharedModules = [
+              inputs.sops-nix.homeManagerModules.sops
+            ];
+            home-manager.users.matt = import (./homes/aarch64-linux + "/matt@pi4/default.nix");
+            home-manager.users.root = { ... }: {
+              imports = [
+                # Your root user config
+                inputs.sops-nix.homeManagerModules.sops
+              ];
+              home.stateVersion = "23.11";
+            };
+          }
+        ];
+      };
+    };
+  in
+    snowfall // {
+      nixosConfigurations = snowfall.nixosConfigurations // piSystems;
     };
 }