From 53b95c62604fb902425c93aa01d68dc873067635 Mon Sep 17 00:00:00 2001
From: "L. E. Segovia" <13498015+amyspark@users.noreply.github.com>
Date: Fri, 7 Sep 2018 16:57:00 +0000
Subject: [PATCH] Cask: use native chmod to set write permissions

Ruby chmod follows symlinks, which can point to non-existent files. This
should fix quarantining Casks e.g. disk-inventory-x.
---
 Library/Homebrew/cask/quarantine.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cask/quarantine.rb b/Library/Homebrew/cask/quarantine.rb
index 80749cd15c..c51702171c 100644
--- a/Library/Homebrew/cask/quarantine.rb
+++ b/Library/Homebrew/cask/quarantine.rb
@@ -121,7 +121,7 @@ module Cask
 
       resolved_paths = Pathname.glob(to/"**/*", File::FNM_DOTMATCH)
 
-      FileUtils.chmod "u+w", resolved_paths
+      system_command!("/bin/chmod", args: ["-R", "u+w", to])
 
       quarantiner = system_command("/usr/bin/xargs",
                                    args: [