modules/nixos+darwin: move to traits + archetypes model

1 files changed, 43 insertions, 0 deletions

diff --git a/modules/shared/base/nix.nix b/modules/shared/base/nix.nix
new file mode 100644
index 0000000..6e1bdf3
--- /dev/null
+++ b/modules/shared/base/nix.nix
@@ -0,0 +1,43 @@
+{
+  config,
+  lib,
+  pkgs,
+  inputs,
+  ...
+}: let
+  cfg = config.base.nixSettings;
+  enable = config.base.enable && cfg.enable;
+in {
+  options.base.nixSettings = {
+    enable = lib.mkEnableOption "nix settings" // {default = true;};
+  };
+
+  config = lib.mkIf enable {
+    nix = {
+      registry.n.flake = lib.mkDefault inputs.nixpkgs;
+
+      nixPath = [
+        "nixpkgs=/etc/nix/inputs/nixpkgs"
+      ];
+
+      settings = {
+        auto-optimise-store = pkgs.stdenv.isLinux;
+        experimental-features = lib.mkDefault ["nix-command" "flakes" "auto-allocate-uids" "repl-flake"];
+
+        trusted-substituters = lib.mkDefault ["https://getchoo.cachix.org"];
+        trusted-public-keys = lib.mkDefault ["getchoo.cachix.org-1:ftdbAUJVNaFonM0obRGgR5+nUmdLMM+AOvDOSx0z5tE="];
+        nix-path = config.nix.nixPath;
+      };
+
+      gc = {
+        automatic = lib.mkDefault true;
+        options = lib.mkDefault "--delete-older-than 7d";
+      };
+    };
+
+    nixpkgs = {
+      overlays = [inputs.self.overlays.default];
+      config.allowUnfree = lib.mkDefault true;
+    };
+  };
+}