From 704a122656e762fbd43427e3169d6dce87857d23 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Mon, 17 Dec 2018 13:08:12 +0800
Subject: [PATCH] Remove Ruby warning due to assignment in conditional.

---
 lib/discourse.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/discourse.rb b/lib/discourse.rb
index cab68f014fa..c78402b5638 100644
--- a/lib/discourse.rb
+++ b/lib/discourse.rb
@@ -358,7 +358,10 @@ module Discourse
   end
 
   def self.recently_readonly?
-    return false unless read_only = last_read_only[$redis.namespace]
+    if (read_only = last_read_only[$redis.namespace]).blank?
+      return false
+    end
+
     read_only > 15.seconds.ago
   end