From 162be6b4114e793d51d4d7ef240b73d1da95b5ae Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Mon, 1 Jul 2019 13:34:41 +0200
Subject: [PATCH] Don't treat non-directory arguments as paths.

---
 Library/Homebrew/cask/config.rb | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cask/config.rb b/Library/Homebrew/cask/config.rb
index 527e3f0722..8c2aa3da68 100644
--- a/Library/Homebrew/cask/config.rb
+++ b/Library/Homebrew/cask/config.rb
@@ -54,7 +54,15 @@ module Cask
     end
 
     def self.canonicalize(config)
-      config.map { |k, v| [k.to_sym, Pathname(v).expand_path] }.to_h
+      config.map do |k, v|
+        key = k.to_sym
+
+        if DEFAULT_DIRS.key?(key)
+          [key, Pathname(v).expand_path]
+        else
+          [key, v]
+        end
+      end.to_h
     end
 
     attr_accessor :explicit