From e63efb3fe48523d1a24bb5d2771af73fa74dca6b Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Mon, 28 Nov 2016 13:55:51 +0100
Subject: [PATCH] Warn when overwriting an artifact.

---
 Library/Homebrew/cask/lib/hbc/artifact/moved.rb | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Library/Homebrew/cask/lib/hbc/artifact/moved.rb b/Library/Homebrew/cask/lib/hbc/artifact/moved.rb
index 7322924e85..64756fd935 100644
--- a/Library/Homebrew/cask/lib/hbc/artifact/moved.rb
+++ b/Library/Homebrew/cask/lib/hbc/artifact/moved.rb
@@ -42,11 +42,8 @@ module Hbc
 
       def preflight_checks
         if Utils.path_occupied?(target)
-          if force
-            ohai(warning_target_exists { |s| s << "overwriting." })
-          else
-            raise CaskError, warning_target_exists << "."
-          end
+          raise CaskError, warning_target_exists << "." unless force
+          opoo(warning_target_exists { |s| s << "overwriting." })
         end
         unless source.exist?
           message = "It seems the #{self.class.artifact_english_name} source is not there: '#{source}'"