move configurations and modules around

Sorry, this is a mess, hopefully the last one.

1 files changed, 18 insertions, 0 deletions

diff --git a/hosts/commons/system/nix.nix b/hosts/commons/system/nix.nix
new file mode 100644
index 0000000..48379a4
--- /dev/null
+++ b/hosts/commons/system/nix.nix
@@ -0,0 +1,18 @@
+{ lib, pkgs, ... }:
+
+{
+  # Enable flakes and new 'nix' command
+  nix = {
+    package = pkgs.nixFlakes;
+    extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+    autoOptimiseStore = true;
+    trustedUsers = [ "root" "@wheel" ];
+
+    gc = {
+      automatic = true;
+      options = "--delete-older-than 14d";
+    };
+  };
+}