tasks/db.rake in slack-ruby-bot-server-0.1.1 vs tasks/db.rake in slack-ruby-bot-server-0.2.0

@@ -12,10 +12,10 @@
       require 'mongoid-shell'
 
       logger.info("[#{Time.now}] db:heroku:backup started")
 
       # get heroku configuration info
-      app = args[:app] || fail('Missing app.')
+      app = args[:app] || raise('Missing app.')
       JSON.parse(`bundle exec heroku config --app #{app} --json`).each_pair do |k, v|
         ENV[k] = v
       end
 
       # connect to MongoDB