1 files changed, 29 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/railtie.rb b/activesupport/lib/active_support/railtie.rb
new file mode 100644
index 0000000000..18e404f002
--- /dev/null
+++ b/activesupport/lib/active_support/railtie.rb
@@ -0,0 +1,29 @@
+require "active_support"
+require "rails"
+
+module ActiveSupport
+  class Railtie < Rails::Railtie
+    plugin_name :active_support
+
+    # Loads support for "whiny nil" (noisy warnings when methods are invoked
+    # on +nil+ values) if Configuration#whiny_nils is true.
+    initializer :initialize_whiny_nils do |app|
+      require 'active_support/whiny_nil' if app.config.whiny_nils
+    end
+
+    # Sets the default value for Time.zone
+    # If assigned value cannot be matched to a TimeZone, an exception will be raised.
+    initializer :initialize_time_zone do |app|
+      require 'active_support/core_ext/time/zones'
+      zone_default = Time.__send__(:get_zone, app.config.time_zone)
+
+      unless zone_default
+        raise \
+          'Value assigned to config.time_zone not recognized.' +
+          'Run "rake -D time" for a list of tasks for finding appropriate time zone names.'
+      end
+
+      Time.zone_default = zone_default
+    end
+  end
+end
+\ No newline at end of file