Make local cache configurable

darwin/hosts/ivr/default.nix

@@ -3,6 +3,10 @@ let
   username = "gregory.hellings";
 in
 {
+  greg = {
+    nix.cache = false;
+  };
+
   homebrew = {
     enable = true;
     brews = [
@@ -12,7 +16,9 @@ in
         name = "libvirt";
         restart_service = true;
       }
+      "mysql"
       "nushell"
+      "poetry"
       "qemu"
     ];
     casks = [
@@ -22,15 +28,14 @@ in
       "chromium"
       "firefox"
       "microsoft-teams"
-      "mysql"
       "onlyoffice"
       "pgadmin4"
-      "poetry"
       "tabby"
       "twine"
       "vagrant"
       "visual-studio-code"
       "zed"
+      "zoho-workdrive"
     ];
     user = username;
   };

modules/baseline.nix

@@ -14,9 +14,6 @@ let
       [ ];
 in
 {
-  # This is a dumb hack to pass the value into the import below, but it's how we have to do it,
-  # since that's how the module system works
-  _module.args.cache = true;
   imports = [
     ./nix-conf.nix
   ];

modules/nix-conf.nix

@@ -1,11 +1,22 @@
 {
   pkgs,
   lib,
-  cache,
+  config,
   ...
 }:
 
+let
+  cfg = config.greg.nix;
+in
 {
+  options.greg.nix = {
+    cache = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+    };
+  };
+
+  config = {
     nix = {
       gc = {
         automatic = true;
@@ -29,7 +40,7 @@
           "gregory.hellings"
         ]; # For home and for work machines
         substituters =
-        (lib.optionals cache [
+          (lib.optionals cfg.cache [
             "http://nas.thehellings.lan:9000/binary-cache/"
             "http://nas.home:9000/binary-cache/"
           ])
@@ -57,4 +68,5 @@
       allowUnfreePredicate = _: true;
       permittedInsecurePackages = [ "ventoy-1.1.05" ];
     };
+  };
 }