From 790cd012d0a955ec6bbfd5d0a8b247523ed8810a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Janne=20He=C3=9F?= <janne@hess.ooo>
Date: Mon, 30 Dec 2019 00:49:44 +0100
Subject: [PATCH] nixos/lib: Inherit type for doRename options

Co-authored-by: Silvan Mosberger <contact@infinisil.com>
---
 lib/modules.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/modules.nix b/lib/modules.nix
index e2315290ff0d..2b1faf4f0c28 100644
--- a/lib/modules.nix
+++ b/lib/modules.nix
@@ -764,12 +764,15 @@ rec {
       fromOpt = getAttrFromPath from options;
       toOf = attrByPath to
         (abort "Renaming error: option `${showOption to}' does not exist.");
+      toType = let opt = attrByPath to {} options; in opt.type or null;
     in
     {
       options = setAttrByPath from (mkOption {
         inherit visible;
         description = "Alias of <option>${showOption to}</option>.";
         apply = x: use (toOf config);
+      } // optionalAttrs (toType != null) {
+        type = toType;
       });
       config = mkMerge [
         {