From 690cedf00d7ad4610deaa79d1f6f36bc19123a30 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Sat, 25 Feb 2023 20:33:18 +0000
Subject: [PATCH] better type for config.groups

instead of an attrset of anything, specify the expected
structure of each value
---
 modules/base.nix | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/modules/base.nix b/modules/base.nix
index af1e233..377adca 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -36,7 +36,17 @@ in {
       };
     };
     groups =  mkOption {
-      type = types.attrsOf types.anything;
+      type = types.attrsOf (types.submodule {
+        options = {
+          gid = mkOption {
+            type = types.int;
+          };
+          usernames = mkOption {
+            type = types.listOf types.str;
+            default = [];
+          };
+        };
+      });
     };
     users =  mkOption {
       type = types.attrsOf types.anything;
@@ -107,8 +117,10 @@ in {
       passwd = "";
       shell = "/bin/sh";
     };
-    groups.root = {
-      gid = 0; usernames = ["root"];
+    groups = {
+      root = {
+        gid = 0; usernames = ["root"];
+      };
     };
 
     filesystem = dir {