From c2d3f9d5b5e0c0c6b0cd8ca758db36f0d964edfe Mon Sep 17 00:00:00 2001
From: Parker Moore <parkrmoore@gmail.com>
Date: Tue, 6 May 2014 15:58:25 -0400
Subject: [PATCH] Close the file descriptor in has_yaml_header?

Previous method caused a problem where the calling Dir.chdir to get the next
directory's entries would cause the infamous 'Too many open files - getcwd'
error. Fixes #2279.
---
 lib/jekyll/site.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index a86ca5e2..648fad6c 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -433,7 +433,7 @@ module Jekyll
     end
 
     def has_yaml_header?(file)
-      !!(File.open(file, "rb").read(5) =~ /\A---\r?\n/)
+      !!(File.open(file, 'rb') { |f| f.read(5) } =~ /\A---\r?\n/)
     end
 
     def limit_posts!