From 9ed1ed3c0577a20b0144cb83501838b2b8c681ae Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Tue, 9 Jan 2018 09:07:37 +0000
Subject: [PATCH] upgrade: fix UnsatisfiedRequirements exit code.

---
 Library/Homebrew/cmd/upgrade.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index 51fd27a62b..1c9c89d768 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -95,6 +95,7 @@ module Homebrew
         next unless f.installed?
         Homebrew::Cleanup.cleanup_formula f
       rescue UnsatisfiedRequirements => e
+        Homebrew.failed = true
         onoe "#{f}: #{e}"
       end
     end