From 1292e739311b745407e8481030e5384d0478c4a1 Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Wed, 21 Aug 2019 23:37:46 -0500
Subject: [PATCH] Fix errors on HEAD requests to various index pages.

Various search forms try to do `params[:search][:blah]`, which failed
for HEAD requests because we didn't normalize the `search` param.
---
 app/controllers/application_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 555a39a66..1740795d6 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -195,7 +195,7 @@ class ApplicationController < ActionController::Base
   # /tags?search[name]=touhou&search[category]=&search[order]=
   # => /tags?search[name]=touhou
   def normalize_search
-    return unless request.get?
+    return unless request.get? || request.head?
     params[:search] ||= ActionController::Parameters.new
 
     deep_reject_blank = lambda do |hash|