From 8a419624e296e02f9ba563a7cf254e21ed10c4ed Mon Sep 17 00:00:00 2001
From: samueljohn
Date: Fri, 15 Jun 2012 11:53:05 +0200
Subject: warn if unrar is needed but not found.

You can `brew unrar`

Closes #12858.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
---
 Library/Homebrew/download_strategy.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Library')

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 7d5e7af68..a509d098e 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -87,6 +87,7 @@ class CurlDownloadStrategy < AbstractDownloadStrategy
       safe_system '/usr/sbin/pkgutil', '--expand', @tarball_path, File.basename(@url)
       chdir
     when :rar
+      raise "You must install unrar: brew install unrar" unless which "unrar"
       quiet_safe_system 'unrar', 'x', {:quiet_flag => '-inul'}, @tarball_path
     else
       # we are assuming it is not an archive, use original filename
-- 
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