feat: setup base

modules/flake/flake-parts.nix

@@ -0,0 +1,4 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.flake-parts.flakeModules.modules ];
+}

modules/flake/overlays.nix

@@ -0,0 +1,28 @@
+{
+  inputs,
+  withSystem,
+  ...
+}:
+{
+  flake.overlays = {
+    modifications = final: prev: {
+      tnvim = inputs.tnvim.packages.${prev.stdenv.hostPlatform.system}.default;
+    };
+
+    stable-packages = final: _prev: {
+      stable = import inputs.nixpkgs-stable {
+        system = final.stdenv.hostPlatform.system;
+        config.allowUnfree = true;
+      };
+    };
+  };
+
+  perSystem =
+    { system, ... }:
+    {
+      _module.args.pkgs = import inputs.nixpkgs {
+        inherit system;
+        overlays = builtins.attrValues inputs.self.overlays;
+      };
+    };
+}

modules/flake/systems.nix

@@ -0,0 +1,6 @@
+{
+  systems = [
+    "x86_64-linux"
+    "aarch64-linux"
+  ];
+}

modules/flake/treefmt.nix

@@ -0,0 +1,23 @@
+{ inputs, ... }:
+{
+  imports = [
+    inputs.treefmt-nix.flakeModule
+  ];
+
+  perSystem =
+    {
+      config,
+      pkgs,
+      system,
+      ...
+    }:
+    {
+      treefmt.config = {
+        projectRootFile = "flake.nix";
+        flakeCheck = true;
+        programs = {
+          nixfmt.enable = true;
+        };
+      };
+    };
+}