rails/application: allow passing an env to config_for

1 files changed, 2 insertions, 2 deletions

diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index e81ec62a1d..77efe3248d 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -218,12 +218,12 @@ module Rails
     #     Rails.application.configure do
     #       config.middleware.use ExceptionNotifier, config_for(:exception_notification)
     #     end
-    def config_for(name)
+    def config_for(name, env: Rails.env)
       yaml = Pathname.new("#{paths["config"].existent.first}/#{name}.yml")
 
       if yaml.exist?
         require "erb"
-        (YAML.load(ERB.new(yaml.read).result) || {})[Rails.env] || {}
+        (YAML.load(ERB.new(yaml.read).result) || {})[env] || {}
       else
         raise "Could not load configuration. No such file - #{yaml}"
       end