feat: add initial modules

lib/autoDir.nix

@@ -0,0 +1,15 @@
+lib:
+
+# takes dir as an argument and creates an attribute set by importing all .nix files in that directory
+dir:
+let
+  readDir = builtins.readDir dir;
+  files = lib.attrNames (
+    lib.filterAttrs (
+      name: type: type == "regular" && lib.hasSuffix ".nix" name && name != "default.nix"
+    ) readDir
+  );
+
+  packages = builtins.map (name: lib.removeSuffix ".nix" name) files;
+in
+lib.genAttrs packages (name: import (dir + "/${name}.nix"))

lib/default.nix

@@ -0,0 +1,11 @@
+{ lib }:
+
+let
+  mkHost = import ./mkHost.nix;
+  autoDir = import ./autoDir.nix lib;
+  mapDir = import ./mapDir.nix lib;
+in
+
+{
+  inherit mkHost autoDir mapDir;
+}

lib/mapDir.nix

@@ -0,0 +1,11 @@
+lib:
+
+let
+  autoDir = import ./autoDir.nix lib;
+in
+
+dir: args:
+let
+  attrs = autoDir dir;
+in
+builtins.mapAttrs (_: f: f args) attrs

lib/mkHost.nix

@@ -0,0 +1,54 @@
+{
+  nixpkgs,
+  overlays,
+  inputs,
+}:
+
+name:
+{
+  system,
+  users ? [ ],
+}:
+
+let
+  hostConfig = ../hosts/${name}/configuration.nix;
+  hostHWConfig = ../hosts/${name}/hardware-configuration.nix;
+
+  userHMConfigs = nixpkgs.lib.genAttrs users (
+    user: import ../users/${user}/home-manager.nix { inherit inputs; }
+  );
+
+  gib_in_bytes = 1073741824;
+in
+
+nixpkgs.lib.nixosSystem {
+  inherit system;
+  modules = [
+
+    {
+      nix.settings = {
+        download-buffer-size = 1 * gib_in_bytes;
+        experimental-features = [
+          "nix-command"
+          "flakes"
+        ];
+      };
+    }
+
+    { nixpkgs.overlays = overlays; }
+    { nixpkgs.config.allowUnfree = true; }
+
+    hostConfig
+    hostHWConfig
+
+    inputs.home-manager.nixosModules.home-manager
+    {
+      home-manager.useGlobalPkgs = true;
+      home-manager.useUserPackages = true;
+      home-manager.users = userHMConfigs;
+      home-manager.extraSpecialArgs = { inherit inputs; };
+    }
+
+  ];
+  specialArgs = { inherit inputs; };
+}