added option for global and per profile pkg and zip installs

modules/pkg-installs.nix

@@ -1,15 +1,7 @@
-{ pkgs, lib, ... }:
+{ pkgs, lib, config, ... }:
 
 let
-  # Add one entry per program you want to install from a .pkg file
-  pkgInstalls = [
-    {
-      name = "cupsadmin";
-      url = "https://github.com/kfattic/cupsadmin/releases/download/v1.4.1/cupsadmin-1.4.1.pkg";
-      hash = "sha256-DyIyDYSjAlcU7ivyfldMapIZw5nczEBXfnLicnK6k7Y=";
-    }
-  ];
-
+  cfg = config.pkgInstalls;
   installScript = p:
     let
       src = pkgs.fetchurl { inherit (p) url hash; };
@@ -28,6 +20,12 @@ let
     '';
 in
 {
+  options.pkgInstalls = lib.mkOption {
+    type = lib.types.listOf (lib.types.attrsOf lib.types.str);
+    default = [ ];'
+    description = "PKG files to install on activation";
+  };
+
   system.activationScripts.postActivation.text =
-    lib.concatMapStringsSep "\n" installScript pkgInstalls;
+    lib.concatMapStringsSep "\n" installScript cfg;
 }