From 6a3967f9889bec3ae0357c9a5636d4ede6e7cdfa Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Thu, 29 Aug 2024 21:13:04 +0000
Subject: [PATCH] fixup! cpp-subprocess: Iterate through /proc/self/fd for
 close_fds option

---
 src/util/subprocess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/subprocess.h b/src/util/subprocess.h
index 2b2e8ba9df4fa6..e223f77c1bd74d 100644
--- a/src/util/subprocess.h
+++ b/src/util/subprocess.h
@@ -1305,7 +1305,7 @@ namespace detail {
       // Close all the inherited fd's except the error write pipe
       if (parent_->close_fds_) {
         try {
-            for (auto it : fs::directory_iterator("/proc/self/fd")) {
+            for (const auto& it : fs::directory_iterator("/proc/self/fd")) {
                 int64_t fd;
                 if (!ParseInt64(it.path().filename().native(), &fd)) continue;
                 if (fd <= 2) continue;  // leave std{in,out,err} alone