common/nix: init

3 files changed, 12 insertions, 2 deletions

diff --git a/flake.nix b/flake.nix
index 3e5f310..d8f6d7a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,10 +21,13 @@
     makeNixos = host: system: lib.nixosSystem {
       inherit system;
       modules = [
+        {
+          networking.hostName = host;
+          nix.nixPath = [ "nixpkgs=${nixpkgs}" ];
+        }
+
         ./userdata.nix
-        { networking.hostName = host; }
         ./nixos/${host}/configuration.nix
-
         sops-nix.nixosModules.sops
       ];
     };
diff --git a/nixos/common/configuration.nix b/nixos/common/configuration.nix
index 7149c83..4e4ea12 100644
--- a/nixos/common/configuration.nix
+++ b/nixos/common/configuration.nix
@@ -13,6 +13,7 @@ in
   imports = [
     ./modules/tmux.nix
     ./modules/dev.nix
+    ./modules/nix.nix
 
     ./modules/pppd.nix
     ./modules/stalwart-mail.nix
diff --git a/nixos/common/modules/nix.nix b/nixos/common/modules/nix.nix
new file mode 100644
index 0000000..40ab46d
--- /dev/null
+++ b/nixos/common/modules/nix.nix
@@ -0,0 +1,6 @@
+{ ... }: {
+  nix.settings = {
+    auto-optimise-store = true;
+    experimental-features = [ "flakes" "nix-command" ];
+  };
+}