Initial commit

nix.nix

@@ -0,0 +1,40 @@
+{ lib, ... }:
+{
+  nix = {
+    gc = with lib; {
+      automatic = mkDefault true;
+      dates = mkDefault "19:00";
+      persistent = mkDefault true;
+      options = mkDefault "--delete-older-than 14d";
+    };
+
+    settings = with lib; {
+      substituters = lib.mkForce [
+        "https://nixos-cache-proxy.cofob.dev"
+        "https://nix-community.cachix.org"
+        "https://devenv.cachix.org"
+      ];
+      trusted-public-keys = [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
+      ];
+
+      accept-flake-config = true;
+      auto-optimise-store = mkDefault true;
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+      log-lines = 30;
+      min-free = mkDefault "${toString (5 * 1024 * 1024 * 1024)}";
+      max-free = mkDefault "${toString (10 * 1024 * 1024 * 1024)}";
+      max-jobs = mkDefault 10;
+      trusted-users = [
+        "root"
+        "@wheel"
+      ];
+      warn-dirty = true;
+      sandbox-dev-shm-size = "70%";
+    };
+  };
+}