From 453e1232d7fad38277f2c5bf10dec49a63d79034 Mon Sep 17 00:00:00 2001
From: Scott Wallace <scott@wallace.sh>
Date: Fri, 11 Mar 2016 20:17:01 +0000
Subject: [PATCH] Ensure cask-tidy only runs if it makes sense.

---
 bin/cask-tidy | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bin/cask-tidy b/bin/cask-tidy
index 420ee5a..4c6eb9b 100755
--- a/bin/cask-tidy
+++ b/bin/cask-tidy
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+[ ! -x $(which brew) -a ! -d /opt/homebrew-cask ] && exit 1
+
 function __remove-cask {
     caskBasePath="/opt/homebrew-cask/Caskroom"
     local cask="$1"