WIP: NixOS

.github/workflows/ci.yaml

@@ -4,6 +4,7 @@ on:
     branches:
       - main
       - update_flake_lock_action
+      - nixos
   pull_request:
 jobs:
   nix:

configurations/nixos/example.nix

@@ -0,0 +1,34 @@
+# See /modules/nixos/* for actual settings
+# This file is just *top-level* configuration.
+{ flake, ... }:
+
+let
+  inherit (flake) inputs;
+  inherit (inputs) self;
+in
+{
+  imports = [
+    self.nixosModules.default
+  ];
+
+  # These are normally in hardware-configuration.nix
+  boot.loader.grub.device = "nodev";
+  fileSystems."/" = { device = "/dev/disk/by-label/nixos"; fsType = "btrfs"; };
+
+  nixpkgs.hostPlatform = "aarch64-linux";
+  networking.hostName = "example";
+
+  # For home-manager to work.
+  # https://github.com/nix-community/home-manager/issues/4026#issuecomment-1565487545
+  # users.users."runner".home = "/Users/runner";
+  users.users."runner".isNormalUser = true;
+
+  # Enable home-manager for "runner" user
+  home-manager.users."runner" = {
+    imports = [ (self + /configurations/home/runner.nix) ];
+  };
+
+  # Used for backwards compatibility, please read the changelog before changing.
+  # $ darwin-rebuild changelog
+  system.stateVersion = "24.05";
+}

modules/flake-parts/template.nix

@@ -14,6 +14,9 @@
           darwinOnly =
             hasInfix "configurations/darwin" path
             || hasInfix "modules/darwin" path;
+          nixosOnly =
+            hasInfix "configurations/nixos" path
+            || hasInfix "modules/nixos" path;
           alwaysExclude =
             hasSuffix "LICENSE" path
             || hasSuffix "README.md" path
@@ -52,6 +55,25 @@
           };
         };
 
+        nixos = let parent = templates.default; in {
+          description = mkDescription "NixOS";
+          welcomeText = ''
+            You have just created a nixos-unified-template flake.nix using NixOS.
+
+            - Edit `./modules/nixos/*.nix` to customize your configuration.
+            - Run `cp /etc/nixos/*.nix .` to import your existing configuration.
+            - Run `nix run` to apply the configuration.
+
+            Enjoy!
+          '';
+          path = builtins.path {
+            path = parent.path;
+            filter = path: _:
+              !(filters path).nixosOnly;
+          };
+
+        };
+
         nix-darwin = let parent = templates.default; in {
           description = mkDescription "nix-darwin";
           welcomeText = ''
@@ -111,6 +133,17 @@
         ];
       };
 
+      nixos = {
+        template = templates.nixos;
+        params = [
+          {
+            name = "hostname";
+            description = "Your system hostname as shown by `hostname -s`";
+            placeholder = "example";
+          }
+        ] ++ om.templates.home.params;
+      };
+
       darwin = {
         template = templates.nix-darwin;
         params = [

modules/nixos/default.nix

@@ -0,0 +1,11 @@
+# This is your nix-darwin configuration.
+# For home configuration, see /modules/home/*
+{ flake, pkgs, lib, ... }:
+
+let
+  inherit (flake) inputs;
+  inherit (inputs) self;
+in
+{
+  services.openssh.enable = true;
+}