From 5744a500d66214f6d833100924a2f7362b7b82a7 Mon Sep 17 00:00:00 2001
From: Ben Radford <benradf@users.noreply.github.com>
Date: Wed, 26 Jul 2023 14:33:47 +0100
Subject: [PATCH] Use debug instead of writing directly to stderr.

---
 src/libstore/local-overlay-store.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libstore/local-overlay-store.cc b/src/libstore/local-overlay-store.cc
index 76c3adf5f..dfd2f0d34 100644
--- a/src/libstore/local-overlay-store.cc
+++ b/src/libstore/local-overlay-store.cc
@@ -196,9 +196,9 @@ void LocalOverlayStore::deleteStorePath(const Path & path, uint64_t & bytesFreed
     auto upperPath = toUpperPath(storePath);
 
     if (pathExists(upperPath)) {
-        std::cerr << "    upper exists" << std::endl;
+        debug("upper exists: %s", path);
         if (lowerStore->isValidPath(storePath)) {
-            std::cerr << "    lower exists" << std::endl;
+            debug("lower exists: %s", storePath.to_string());
             // Path also exists in lower store.
             // We must delete via upper layer to avoid creating a whiteout.
             deletePath(upperPath, bytesFreed);