From d55733c76ee1db702529f38f602548ffe48a4ab1 Mon Sep 17 00:00:00 2001
From: Adam Greene <adam.greene@gmail.com>
Date: Fri, 1 May 2015 11:54:29 -0700
Subject: return nil if array index indicie is out of bounds

ruby arrays don't throw an exception; they return nil.  Lets do the
same!

this fix also includes the ability to use negative array indicies
---
 ruby/Rakefile | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'ruby/Rakefile')

diff --git a/ruby/Rakefile b/ruby/Rakefile
index 7c1d8495..c25103d8 100644
--- a/ruby/Rakefile
+++ b/ruby/Rakefile
@@ -6,6 +6,9 @@ require "rake/testtask"
 spec = Gem::Specification.load("google-protobuf.gemspec")
 
 if RUBY_PLATFORM == "java"
+  if `which mvn` == ''
+    raise ArgumentError, "maven needs to be installed"
+  end
   task :clean do
     system("mvn clean")
   end
-- 
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