From ca1bc329e91039435450d19c0e31655c1efd3f0f Mon Sep 17 00:00:00 2001
From: NAHO <90870942+trueNAHO@users.noreply.github.com>
Date: Thu, 8 Jan 2026 20:55:49 +0100
Subject: [PATCH] stylix/palette: coerce derivations to store paths

Coerce derivations to store paths to ensure non-null values are
stringified store paths with valid string contexts.

Fixes: 838df8b8ad7d ("stylix: improve `stylix.image` type (#1414)")

Co-authored-by: Matt Sturgeon <matt@sturgeon.me.uk>
---
 stylix/palette.nix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/stylix/palette.nix b/stylix/palette.nix
index 9e72a67e..260f850f 100644
--- a/stylix/palette.nix
+++ b/stylix/palette.nix
@@ -28,10 +28,8 @@ in
     };
 
     image = lib.mkOption {
-      type = lib.types.nullOr lib.types.path;
       # Ensure the path is copied to the store
-      apply =
-        value: if value == null || lib.isDerivation value then value else "${value}";
+      type = with lib.types; nullOr (coercedTo path (src: "${src}") pathInStore);
       description = ''
         Wallpaper image.