From 2090f057a0b72fc2718c01a3e824790c10c25f80 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 6 Feb 2019 21:18:06 +0100
Subject: [PATCH] Create parent directory for artifacts with `sudo` if
 necessary.

---
 Library/Homebrew/cask/artifact/moved.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cask/artifact/moved.rb b/Library/Homebrew/cask/artifact/moved.rb
index eb97424f9a..e7d8d24847 100644
--- a/Library/Homebrew/cask/artifact/moved.rb
+++ b/Library/Homebrew/cask/artifact/moved.rb
@@ -40,7 +40,11 @@ module Cask
         end
 
         ohai "Moving #{self.class.english_name} '#{source.basename}' to '#{target}'."
-        target.dirname.mkpath
+        if target.dirname.parent.writable?
+          target.dirname.mkpath
+        else
+          command.run!("/bin/mkdir", args: ["-p", target.dirname], sudo: true)
+        end
 
         if target.parent.writable?
           FileUtils.move(source, target)