1 files changed, 36 insertions, 0 deletions
diff --git a/modules/nix/default.nix b/modules/nix/default.nix
new file mode 100644
index 000000000000..39715962f20a
--- /dev/null
+++ b/modules/nix/default.nix
@@ -0,0 +1,36 @@
+{ config, pkgs, options, lib, ... }:
+
+let
+  # Most of the standard Darwin-detection methods cause infinite recursion.
+  isDarwin = options.environment ? "darwinConfig";
+
+in {
+  nix.nixPath = [
+    "nixos-config=/run/current-system/nixlib/sys/${config.networking.hostName}.nix"
+    "/run/current-system/nixlib"
+  ];
+
+  nix.autoOptimiseStore = true;
+  nix.daemonCPUSchedPolicy = "idle";
+  nix.trustedUsers = [ "@wheel" ];
+
+  system.extraSystemBuilderCmds = ''
+    ln -s ${lib.cleanSource ../..} $out/nixlib
+  '';
+
+  nixpkgs.overlays =
+    let
+      inherit (builtins) attrNames readDir;
+      dir = ../../overlays;
+      names = attrNames (readDir dir);
+    in
+      map (o: import "${dir}/${o}") names;
+
+  services = lib.optionalAttrs isDarwin
+    { nix-daemon.enable = true; };
+
+  systemd.tmpfiles.rules = [
+    "d ${config.users.users.qyliss.home}/state/nix 0700 qyliss qyliss"
+  ];
+
+}