From 79bc4f1136e8f56e212230e34bbfa0d36b401b1f Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Fri, 3 Apr 2020 08:59:11 +0100
Subject: [PATCH] update: make git rebase quiet on Mojave system Git.

Fix regression from https://github.com/Homebrew/brew/pull/7260.

This code makes me sad.
---
 Library/Homebrew/cmd/update.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index a5d2c3eaf9..3ccf7905d3 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -250,7 +250,13 @@ EOS
 
   if [[ -z "$HOMEBREW_MERGE" ]]
   then
-    git rebase "${QUIET_ARGS[@]}" "$REMOTE_REF"
+    # Work around bug where git rebase --quiet is not quiet
+    if [[ -z "$HOMEBREW_VERBOSE" ]]
+    then
+      git rebase "${QUIET_ARGS[@]}" "$REMOTE_REF" >/dev/null
+    else
+      git rebase "${QUIET_ARGS[@]}" "$REMOTE_REF"
+    fi
   else
     git merge --no-edit --ff "${QUIET_ARGS[@]}" "$REMOTE_REF" \
       --strategy=recursive \