From 3113bf7158141b5223709933b65f3fa3fcfefc28 Mon Sep 17 00:00:00 2001
From: XuehaiPan <XuehaiPan@pku.edu.cn>
Date: Thu, 7 Oct 2021 19:48:53 +0800
Subject: [PATCH] utils/shfmt.sh: redirect differences to stderr

---
 Library/Homebrew/utils/shfmt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/utils/shfmt.sh b/Library/Homebrew/utils/shfmt.sh
index b54749d4ce..8f0d9a0585 100755
--- a/Library/Homebrew/utils/shfmt.sh
+++ b/Library/Homebrew/utils/shfmt.sh
@@ -371,7 +371,7 @@ format() {
       cp -af "${tempfile}" "${file}"
     else
       # Show differences
-      "${DIFF}" "${DIFF_ARGS[@]}" "${file}" "${tempfile}"
+      "${DIFF}" "${DIFF_ARGS[@]}" "${file}" "${tempfile}" 1>&2
     fi
     return 4
   else