From 342221b073c82ac7ebb7349da8b1d7e1ab1c4005 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Wed, 16 Dec 2015 21:29:08 -0200
Subject: [PATCH] Make sure File.exist? run in the root of the application

---
 .../rails/generators/active_record/model/model_generator.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/activerecord/lib/rails/generators/active_record/model/model_generator.rb b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
index e07f6645f5cc8..15aecf28ca7e9 100644
--- a/activerecord/lib/rails/generators/active_record/model/model_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
@@ -43,7 +43,11 @@ def parent_class_name
         end
 
         def determine_default_parent_class
-          if File.exist?('app/models/application_record.rb')
+          application_record = nil
+
+          in_root { application_record = File.exist?('app/models/application_record.rb') }
+
+          if application_record
             "ApplicationRecord"
           else
             "ActiveRecord::Base"