From 64c60f7241217cf4ba652f6502935ac7d523fb55 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Fri, 23 Dec 2022 15:32:54 +0100
Subject: [PATCH] Fix CanonPath::dirOf() returning a string_view of a temporary

https://hydra.nixos.org/build/202837872
---
 src/libutil/canon-path.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libutil/canon-path.hh b/src/libutil/canon-path.hh
index c5e7f0596..9d5984584 100644
--- a/src/libutil/canon-path.hh
+++ b/src/libutil/canon-path.hh
@@ -110,7 +110,7 @@ public:
     std::optional<std::string_view> dirOf() const
     {
         if (isRoot()) return std::nullopt;
-        return path.substr(0, path.rfind('/'));
+        return ((std::string_view) path).substr(0, path.rfind('/'));
     }
 
     std::optional<std::string_view> baseName() const