init: initial setup

flake.nix

@@ -0,0 +1,70 @@
+{
+  description = "S41UC0 Nix Configurations";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ self, nixpkgs, home-manager, ... }: 
+  let 
+    filter = with nixpkgs.lib;
+        folder: fileset.toList (fileset.fileFilter
+		  (file:
+		    hasSuffix "nix"
+		      file.name)
+		  folder);
+    nixosConfig = {modules ? []}: nixpkgs.lib.nixosSystem {
+      modules = modules;
+      specialArgs = { inherit inputs filter home-manager; };
+    };
+  in
+  {
+    nixosConfigurations.p14s = nixosConfig {
+      modules = [ 
+        ./devices/p14s
+        ./styles/desktop.nix
+      ];
+    };
+
+    apps.x86_64-linux.default = {
+      type = "app";
+      program = toString (nixpkgs.legacyPackages.x86_64-linux.writeShellScript "rebuild" ''
+        exec sudo nixos-rebuild switch --flake . "$@"
+      '');
+    };
+    
+    apps.x86_64-linux.registerDevice = {
+      type = "app";
+      program = toString (nixpkgs.legacyPackages.x86_64-linux.writeShellScript "rebuild" ''
+        [ -d ./devices/$HOST ] && exit 1
+        mkdir -p ./devices/$HOST
+        nixos-generate-config --show-hardware-config > ./devices/$HOST/hardware-config.nix
+        cat>./devices/$HOST/default.nix<<EOF
+        { ... }: 
+        {
+          imports = [ 
+            ../../common
+            ./hardware-configuration.nix   
+          ];
+          networking.hostName = "$HOST";
+          system.stateVersion = "${nixpkgs.lib.trivial.release}"; # yes
+        }
+        EOF
+      '');
+    };
+
+    devShells.x86_64-linux.default =
+    let pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    in pkgs.mkShell {
+      shellHook = ''
+        echo "Building VM..."
+        rm -rf *.qcow2
+        nixos-rebuild build-vm --flake . && ./result/bin/run-*-vm
+        exit
+      '';
+    };
+
+  };
+}