From 2965b12f62abe75be15d376cee5f3226fc88cc82 Mon Sep 17 00:00:00 2001
From: Nan Zhong <nan@nine27.com>
Date: Tue, 30 Oct 2012 11:27:36 -0400
Subject: [PATCH] redis: fix error on new install when redis.conf does not
 exist

Closes Homebrew/homebrew#15754.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
---
 Formula/redis.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Formula/redis.rb b/Formula/redis.rb
index f7e0beaf685..2522d94a702 100644
--- a/Formula/redis.rb
+++ b/Formula/redis.rb
@@ -31,7 +31,7 @@ class Redis < Formula
     end
 
     # Fix redis upgrade from 2.4 to 2.6.
-    if File.readlines(etc/'redis.conf').grep(/^vm-enabled/)
+    if File.exists?(etc/'redis.conf') && File.readlines(etc/'redis.conf').grep(/^vm-enabled/)
       mv etc/'redis.conf', etc/'redis.conf.old'
       ohai "Your redis.conf will not work with 2.6; moved it to redis.conf.old"
     end