1 files changed, 51 insertions, 1 deletions
diff --git a/profiles/darwin.nix b/profiles/darwin.nix
index e355b72..0ff8cc0 100644
--- a/profiles/darwin.nix
+++ b/profiles/darwin.nix
@@ -1,4 +1,9 @@
-{ ... }:
+{
+  adminUser,
+  pkgs,
+  lib,
+  ...
+}:
 {
   system.defaults = {
     dock = {
@@ -43,4 +48,49 @@
 
   # Touch ID for sudo auth
   security.pam.services.sudo_local.touchIdAuth = true;
+
+  nix = {
+    extraOptions = ''
+      tarball-ttl = 900
+    '';
+    gc = {
+      automatic = true;
+      options = "--delete-older-than 7d";
+      interval = {
+        Weekday = 0;
+        Hour = 0;
+        Minute = 0;
+      };
+    };
+    optimise = {
+      automatic = true;
+      interval = {
+        Weekday = 0;
+        Hour = 0;
+        Minute = 0;
+      };
+    };
+    package = pkgs.nixVersions.stable;
+    settings = {
+      trusted-substituters = [
+        "https://cachix.cachix.org"
+        "https://nixpkgs.cachix.org"
+        "https://nix-community.cachix.org"
+      ];
+      trusted-public-keys = [
+        "cachix.cachix.org-1:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM="
+        "nixpkgs.cachix.org-1:q91R6hxbwFvDqTSDKwDAV4T5PxqXGxswD8vhONFMeOE="
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
+      trusted-users = [
+        "@admin"
+        adminUser.name
+      ];
+      experimental-features = lib.mkDefault [
+        "nix-command"
+        "flakes"
+      ];
+    };
+  };
 }