From b39a3ca02fe1607b95da1c51cf446c0dd52c26a9 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Wed, 24 Jun 2020 12:00:56 +0100
Subject: [PATCH] os/mac/utils/bottles: support ARM bottles.

This will be eventually needed for Big Sur.
---
 Library/Homebrew/extend/os/mac/utils/bottles.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/extend/os/mac/utils/bottles.rb b/Library/Homebrew/extend/os/mac/utils/bottles.rb
index 08e4fb26119de..99a22c3513777 100644
--- a/Library/Homebrew/extend/os/mac/utils/bottles.rb
+++ b/Library/Homebrew/extend/os/mac/utils/bottles.rb
@@ -6,7 +6,9 @@ class << self
       undef tag
 
       def tag
-        MacOS.version.to_sym
+        tag = MacOS.version.to_sym
+        tag = "#{tag}_arm".to_sym if Hardware::CPU.arm?
+        tag
       end
     end