railtie.rb in symmetric-encryption-4.3.1

- old
+ new

@@ -27,11 +27,12 @@
     # Loaded before Active Record initializes since database.yml can have encrypted
     # passwords in it
     config.before_configuration do
       # Check if already configured
       unless ::SymmetricEncryption.cipher?
-        app_name    = Rails::Application.subclasses.first.parent.to_s.underscore
+        parent_method = Module.method_defined?(:module_parent) ? 'module_parent' : 'parent'
+        app_name    = Rails::Application.subclasses.first.send(parent_method).to_s.underscore
         env_var     = ENV['SYMMETRIC_ENCRYPTION_CONFIG']
         config_file =
           if env_var
             Pathname.new(File.expand_path(env_var))
           else
@@ -39,14 +40,14 @@
           end
 
         if config_file.file?
           begin
             ::SymmetricEncryption::Config.load!(file_name: config_file, env: ENV['SYMMETRIC_ENCRYPTION_ENV'] || Rails.env)
-          rescue ArgumentError => exc
+          rescue ArgumentError => e
             puts "\nSymmetric Encryption not able to read keys."
-            puts "#{exc.class.name} #{exc.message}"
+            puts "#{e.class.name} #{e.message}"
             puts "To generate a new config file and key files: symmetric-encryption --generate --app-name #{app_name}\n\n"
-            raise(exc)
+            raise(e)
           end
         end
 
       end
     end