set up a default config

flake.nix

@@ -0,0 +1,61 @@
+{
+  description = "Mine very own Nix(OS) / home-manager / nix-darwin configuration";
+
+  inputs = {
+    # Nixpkgs
+    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-24.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    # Home manager
+    home-manager.url = "github:nix-community/home-manager/master";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , home-manager
+    , ...
+    } @ inputs:
+    let
+      inherit (self) outputs;
+      lib = nixpkgs.lib // home-manager.lib;
+      systems = [
+        "x86_64-linux"
+        "aarch64-darwin"
+      ];
+      forEachSystem = f: lib.genAttrs systems (system: import nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+      });
+      username = "lu";
+    in
+    {
+      packages = forEachSystem (pkgs: import ./pkgs { inherit pkgs; });
+      devShells = forEachSystem (pkgs: import ./shell.nix { inherit pkgs; });
+      formatter = forEachSystem (pkgs: pkgs.nixpkgs-fmt);
+
+      overlays = import ./overlays { inherit inputs outputs; };
+      nixosModules = import ./modules/nixos;
+      homeManagerModules = import ./modules/home-manager;
+
+      nixosConfigurations = {
+        enoko = lib.nixosSystem {
+          specialArgs = { inherit inputs outputs; };
+          modules = [
+            ./nixos/configuration.nix
+          ];
+        };
+      };
+
+      homeConfigurations = {
+        "${username}@yukari" = lib.homeManagerConfiguration {
+          pkgs = nixpkgs.legacyPackages.x86_64-linux;
+          extraSpecialArgs = { inherit inputs outputs username; };
+          modules = [
+            ./home-manager/home.nix
+          ];
+        };
+      };
+    };
+}