feat: Dendritic pattern

This re-write was done with the help of claude, and still needs a
decent amount of changes before it properly follows the dendritic
pattern

1 files changed, 45 insertions, 0 deletions

diff --git a/modules/teh-nix/nix.nix b/modules/teh-nix/nix.nix
new file mode 100644
index 0000000..d0b6cb3
--- /dev/null
+++ b/modules/teh-nix/nix.nix
@@ -0,0 +1,45 @@
+{ inputs, ... }:
+{
+    flake.modules.nixos.teh-nix =
+        { config, lib, ... }:
+        {
+            options.teh-nix.nix = with lib; {
+                enable = mkEnableOption "Use the TehNix nix settings";
+            };
+
+            config = lib.mkIf config.teh-nix.nix.enable {
+                nix.nixPath = [ "/etc/nix/path" ];
+                nix.registry.nixpkgs.flake = inputs.nixpkgs;
+                environment.etc."nix/path/nixpkgs".source = inputs.nixpkgs;
+
+                nix = {
+                    settings = {
+                        experimental-features = [ "nix-command" "flakes" ];
+                        auto-optimise-store = true;
+
+                        trusted-users = [ "boss" ];
+
+                        substituters = [
+                            "https://cache.nixos.org"
+                        ];
+
+                        # trusted-public-keys = [
+                        #     "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+                        # ];
+                    };
+                    optimise.automatic = true;
+                };
+
+                # nh's cleaner replaces nix.gc (the nh module asserts they aren't both on)
+                programs.nh = {
+                    enable = true;
+                    clean = {
+                        enable = true;
+                        dates = "weekly";
+                        # --no-direnv keeps nix-direnv's gcroots so dev shells survive
+                        extraArgs = "--keep-since 7d --keep 5 --no-direnv";
+                    };
+                };
+            };
+        };
+}