Pull translations is a micro gem which handles downloading translations from WTI (webtranslateit) and check for files correctness. It's used by Revieworld for Translation Bump process.
gem 'pull_translations', git: 'https://github.com/reevoo/pull_translations'
require 'pull_translations'
PullTranslations.run
The gem is available as open source under the terms of the MIT License.