From 389bd6b7356e78668831e4628f9ca8dadb01fcf2 Mon Sep 17 00:00:00 2001
From: Alex Braha Stoll <alexbrahastoll@gmail.com>
Date: Sat, 31 Dec 2016 17:03:20 -0200
Subject: [PATCH] Improve WikiPage.group_by_directory

---
 app/models/wiki_page.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/wiki_page.rb b/app/models/wiki_page.rb
index 6c237306eff..20bd9719b2f 100644
--- a/app/models/wiki_page.rb
+++ b/app/models/wiki_page.rb
@@ -23,7 +23,7 @@ class WikiPage
     return [] if pages.blank?
 
     pages.sort_by { |page| [page.directory, page.slug] }.
-      group_by { |page| page.directory }.
+      group_by(&:directory).
       map do |dir, pages|
         if dir.present?
           WikiDirectory.new(dir, pages)