From d90c5c55d2ca37a3ec102bbf144f4b9eb3f3cd98 Mon Sep 17 00:00:00 2001
From: Klaus Hipp <khipp@users.noreply.github.com>
Date: Mon, 15 Jul 2024 21:34:27 +0200
Subject: [PATCH] cask/audit: handle cask_min_os is nil

---
 Library/Homebrew/cask/audit.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/cask/audit.rb b/Library/Homebrew/cask/audit.rb
index e0203ec998..1d6fa742e4 100644
--- a/Library/Homebrew/cask/audit.rb
+++ b/Library/Homebrew/cask/audit.rb
@@ -672,6 +672,7 @@ module Cask
       return if cask_min_os&.to_sym == min_os.to_sym
       return if cask.on_system_blocks_exist? &&
                 OnSystem.arch_condition_met?(:arm) &&
+                cask_min_os.present? &&
                 cask_min_os < MacOSVersion.new("11")
 
       min_os_definition = if cask_min_os.present?