From c821c65da01b994874b79bc9ed889bee25373f4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=B3=A5=E4=BA=95=20=E9=9B=AA?= <yuki.torii.23@gmail.com>
Date: Wed, 14 Jan 2015 15:24:29 +0900
Subject: [PATCH] Fix to avoid pass Enumerator to Rails.cache.fetch

when no data exists
---
 app/models/fluent_gem.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/fluent_gem.rb b/app/models/fluent_gem.rb
index aa52563..b48b5a5 100644
--- a/app/models/fluent_gem.rb
+++ b/app/models/fluent_gem.rb
@@ -21,7 +21,7 @@ module FluentGem
         if $? && $?.exitstatus != 0 # NOTE: $? will be nil on CircleCI, so check $? at first
           raise GemError, "failed command: `#{gem} list`"
         end
-        output.lines
+        output.lines.to_a
       end
     end