From b4fc3ead1e8e81f7464042595e084aa278834ed7 Mon Sep 17 00:00:00 2001
From: Shaun Jackman <sjackman@gmail.com>
Date: Wed, 17 Jun 2020 17:26:15 -0700
Subject: [PATCH] update-reset: Use the default branch origin/HEAD

Use the default branch of the repo, origin/HEAD.
---
 Library/Homebrew/cmd/update-reset.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/update-reset.sh b/Library/Homebrew/cmd/update-reset.sh
index 70b1977774..2f10efb221 100644
--- a/Library/Homebrew/cmd/update-reset.sh
+++ b/Library/Homebrew/cmd/update-reset.sh
@@ -42,7 +42,9 @@ homebrew-update-reset() {
     echo
 
     ohai "Resetting $DIR..."
-    git checkout --force -B master origin/master
+    head="$(git symbolic-ref refs/remotes/origin/HEAD)"
+    head="${head#refs/remotes/origin/}"
+    git checkout --force -B "$head" origin/HEAD
     echo
   done
 }