From d6d857c154fb9cdb7dc1f81a1cc8a2302b9a3996 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Thu, 14 Nov 2019 07:22:19 -0800
Subject: [PATCH] cmd/upgrade: fix exit logic.

Fixes #6739
---
 Library/Homebrew/cmd/upgrade.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index c7190f5bc6..aed64d78e9 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -81,7 +81,7 @@ module Homebrew
           opoo "#{f.full_specified_name} #{version} already installed"
         end
       end
-      exit
+      return if outdated.empty?
     end
 
     pinned = outdated.select(&:pinned?)