From f56a7377a9dff2ecc949265692df040542e69adb Mon Sep 17 00:00:00 2001
From: Guus Houtzager <ghoutzager@kixeye.com>
Date: Mon, 16 Feb 2015 15:54:48 +0100
Subject: [PATCH] Fix issues when nbproc is not present in haproxy.cfg.
 Prevents this error: ../lib/haproxyctl/environment.rb:42:in []' for
 nil:NilClass (NoMethodError) from
 /usr/local/sbin/../lib/haproxyctl/environment.rb:52:in unixsock' from
 ./haproxyctl:105

---
 lib/haproxyctl/environment.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/haproxyctl/environment.rb b/lib/haproxyctl/environment.rb
index aee53fd..a522319 100644
--- a/lib/haproxyctl/environment.rb
+++ b/lib/haproxyctl/environment.rb
@@ -38,8 +38,11 @@ def exec
 
     def nbproc 
       @nbproc ||= begin
-        config.match /nbproc \s*(\d*)\s*/
-        Regexp.last_match[1].to_i || 1
+        if config.match(/nbproc \s*(\d*)\s*/)
+          Regexp.last_match[1].to_i
+        else
+          1
+        end
       end
     end