From 0df37edb1c1ae5af43496f009221f2d4fe23a629 Mon Sep 17 00:00:00 2001
From: Ben Radford <benradf@users.noreply.github.com>
Date: Mon, 15 May 2023 10:29:06 +0100
Subject: [PATCH] Make upper-layer a PathSetting instead of a Setting<string>.

---
 src/libstore/local-overlay-store.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstore/local-overlay-store.hh b/src/libstore/local-overlay-store.hh
index 8280ed273..525a54745 100644
--- a/src/libstore/local-overlay-store.hh
+++ b/src/libstore/local-overlay-store.hh
@@ -25,7 +25,7 @@ struct LocalOverlayStoreConfig : virtual LocalStoreConfig
           Must be used as OverlayFS lower layer for this store's store dir.
         )"};
 
-    const Setting<std::string> upperLayer{(StoreConfig*) this, "", "upper-layer",
+    const PathSetting upperLayer{(StoreConfig*) this, false, "", "upper-layer",
         R"(
           Must be used as OverlayFS upper layer for this store's store dir.
         )"};