From df4c39e219bc51e9daf616f838c81f965d618e13 Mon Sep 17 00:00:00 2001
From: Thomas Cioppettini <544875+tomciopp@users.noreply.github.com>
Date: Sat, 15 Aug 2026 22:09:37 -0400
Subject: [PATCH] perf: Copy file mode with chmod instead of stat and
 write_stat

---
 lib/elixir/lib/file.ex | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/elixir/lib/file.ex b/lib/elixir/lib/file.ex
index e865f956556..4246ea89c5c 100644
--- a/lib/elixir/lib/file.ex
+++ b/lib/elixir/lib/file.ex
@@ -1362,9 +1362,8 @@ defmodule File do
   end
 
   defp copy_file_mode(src, dest) do
-    with {:ok, dest_fileinfo} <- stat(dest),
-         {:ok, src_fileinfo} <- stat(src) do
-      write_stat(dest, %{dest_fileinfo | mode: src_fileinfo.mode})
+    with {:ok, src_fileinfo} <- stat(src) do
+      chmod(dest, src_fileinfo.mode)
     end
   end