From f71ed25ee0c65d40be8775ea7ea7034f41367d7f Mon Sep 17 00:00:00 2001
From: Roland Walker <walker@pobox.com>
Date: Mon, 26 May 2014 15:56:35 -0400
Subject: [PATCH] rescue download failure; don't show traceback

instead, give a more specific error message.  Closes #4556.
---
 lib/cask/download.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/cask/download.rb b/lib/cask/download.rb
index 1fece6073d7..acbf7912b07 100644
--- a/lib/cask/download.rb
+++ b/lib/cask/download.rb
@@ -16,7 +16,11 @@ class Cask::Download
       downloader = Cask::CurlDownloadStrategy.new(cask)
     end
     downloader.clear_cache if force
-    downloaded_path = downloader.fetch
+    begin
+      downloaded_path = downloader.fetch
+    rescue StandardError
+      raise CaskError.new("Download failed on Cask '#{@cask}'")
+    end
     begin
       # this symlink helps track which downloads are ours
       File.symlink downloaded_path,