From 55d64c7e703c695a32ff5690d1c0dc58b7efe9e7 Mon Sep 17 00:00:00 2001
From: ashmaroli <ashmaroli@users.noreply.github.com>
Date: Wed, 14 Mar 2018 16:21:45 +0530
Subject: [PATCH] Memoize `Site#site_data` (#6809)

Merge pull request 6809
---
 lib/jekyll/site.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index 7281dccb..bda7e296 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -93,6 +93,7 @@ module Jekyll
       self.pages = []
       self.static_files = []
       self.data = {}
+      @site_data = nil
       @collections = nil
       @docs_to_write = nil
       @regenerator.clear_cache
@@ -254,7 +255,7 @@ module Jekyll
     #
     # Returns the Hash to be hooked to site.data.
     def site_data
-      config["data"] || data
+      @site_data ||= (config["data"] || data)
     end
 
     # The Hash payload containing site-wide data.