From d1bb936cf77cc132d35bd9c974de5c451c458ec8 Mon Sep 17 00:00:00 2001
From: milahu <milahu@gmail.com>
Date: Sun, 5 Feb 2023 09:58:20 +0100
Subject: symlinkJoin: print warning when keeping existing file

---
 pkgs/build-support/trivial-builders.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/build-support/trivial-builders.nix b/pkgs/build-support/trivial-builders.nix
index d8aa6c232444..7318d13f6bab 100644
--- a/pkgs/build-support/trivial-builders.nix
+++ b/pkgs/build-support/trivial-builders.nix
@@ -509,8 +509,8 @@ rec {
       ''
         mkdir -p $out
         for i in $(cat $pathsPath); do
-          ${lndir}/bin/lndir -silent $i $out
-        done
+          ${lndir}/bin/lndir $i $out
+        done 2>&1 | sed 's/^/symlinkJoin: warning: keeping existing file: /'
         ${postBuild}
       '';
 
-- 
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