plasma

lib/nix-settings/default.nix

@@ -0,0 +1,51 @@
+# Shared nix daemon / nixpkgs settings used by both the NixOS and nix-darwin
+# modules (modules/nixos/nix/default.nix and modules/darwin/nix/default.nix).
+#
+# Snowfall Lib discovers this file and merges its return value into
+# lib.<namespace>.* — the nested attrset is accessed as:
+#   lib.${namespace}.nixSettings.commonSubstituters
+#   lib.${namespace}.nixSettings.commonTrustedPublicKeys
+#   lib.${namespace}.nixSettings.commonSettings
+#   lib.${namespace}.nixSettings.commonGc
+{ lib, ... }:
+{
+  nixSettings = {
+    commonSubstituters = [
+      "http://jallen-nas.local:9012/nas-cache"
+      "https://nixos-apple-silicon.cachix.org"
+      "https://nixos-raspberrypi.cachix.org"
+      "https://nix-community.cachix.org"
+      "https://cache.nixos.org/"
+    ];
+
+    commonTrustedPublicKeys = [
+      "nas-cache:eK0eRVAt9QNwbkLIyOo9N5Z5+zi6ukI4mSlL196C7Yg="
+      "nixos-apple-silicon.cachix.org-1:8psDu5SA5dAD7qA0zMy5UT292TxeEPzIz8VVEr2Js20="
+      "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+
+    commonSettings = {
+      warn-dirty = lib.mkForce false;
+      experimental-features = lib.mkForce [
+        "nix-command"
+        "flakes"
+      ];
+      trusted-users = [
+        "@wheel"
+        "@admin"
+      ];
+      builders-use-substitutes = true;
+      connect-timeout = lib.mkDefault 5;
+      fallback = true;
+      log-lines = lib.mkDefault 25;
+      max-free = lib.mkDefault (3000 * 1024 * 1024);
+      min-free = lib.mkDefault (512 * 1024 * 1024);
+    };
+
+    commonGc = {
+      automatic = lib.mkDefault true;
+      options = lib.mkDefault "--delete-older-than 30d";
+    };
+  };
+}