From a0882010626dc68770e3b00b325994a5932846c5 Mon Sep 17 00:00:00 2001
From: Jacques Distler <distler@golem.ph.utexas.edu>
Date: Sat, 27 Aug 2011 16:30:57 -0500
Subject: [PATCH] Null search

Search without a query-param should
not result in a application error.
---
 app/controllers/wiki_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/wiki_controller.rb b/app/controllers/wiki_controller.rb
index 6497b129..8c0672b1 100644
--- a/app/controllers/wiki_controller.rb
+++ b/app/controllers/wiki_controller.rb
@@ -211,7 +211,7 @@ EOL
 
 
   def search
-    @query = params['query'].purify
+    @query = params['query'] ? params['query'].purify : ''
     @title_results = @web.select { |page| page.name =~ /#{@query}/i }.sort
     @results = @web.select { |page| page.content =~ /#{@query}/i }.sort
     all_pages_found = (@results + @title_results).uniq