From 32246dd09751cca45f5f85951238bc6d0ba28dad Mon Sep 17 00:00:00 2001
From: "L. E. Segovia" <13498015+amyspark@users.noreply.github.com>
Date: Wed, 10 Oct 2018 21:36:06 +0000
Subject: [PATCH] Cask: do not audit non-file URLs

---
 Library/Homebrew/cask/audit.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cask/audit.rb b/Library/Homebrew/cask/audit.rb
index bf43109cc5..1e17220dba 100644
--- a/Library/Homebrew/cask/audit.rb
+++ b/Library/Homebrew/cask/audit.rb
@@ -321,7 +321,9 @@ module Cask
     end
 
     def check_https_availability
-      check_url_for_https_availability(cask.url, user_agents: [cask.url.user_agent]) unless cask.url.to_s.empty?
+      unless cask.url.to_s.empty? || cask.url.using
+        check_url_for_https_availability(cask.url, user_agents: [cask.url.user_agent])
+      end
       check_url_for_https_availability(cask.appcast) unless cask.appcast.to_s.empty?
       check_url_for_https_availability(cask.homepage) unless cask.homepage.to_s.empty?
     end