From 426da94cc9dba2576d9b2fcbe607ce26b2458f67 Mon Sep 17 00:00:00 2001
From: Rylan Polster <rslpolster@gmail.com>
Date: Tue, 24 Jun 2025 03:07:04 +0000
Subject: [PATCH] Remove redundant `xattr` doctor check on systems without
 quarantine support

---
 Library/Homebrew/diagnostic.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index eb4bdef747..fa2c4330a1 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -1009,6 +1009,8 @@ module Homebrew
       end
 
       def check_cask_xattr
+        # If quarantine is not available, a warning is already shown by check_cask_quarantine_support so just return
+        return unless Cask::Quarantine.available?
         return "Unable to find `xattr`." unless File.exist?("/usr/bin/xattr")
 
         result = system_command "/usr/bin/xattr", args: ["-h"]