Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    activemodel (5.2.0)
      activesupport (= 5.2.0)
    activerecord (5.2.0)
      activemodel (= 5.2.0)
      activesupport (= 5.2.0)
      arel (>= 9.0)
    activesupport (5.2.0)
      concurrent-ruby (~> 1.0, >= 1.0.2)
      i18n (>= 0.7, < 2)
      minitest (~> 5.1)
      tzinfo (~> 1.1)
    arel (9.0.0)
    concurrent-ruby (1.0.5)
    diffy (3.2.1)
    i18n (1.0.1)
      concurrent-ruby (~> 1.0)
    minitest (5.11.3)
    mysql2 (0.5.1)
    ridgepole (0.7.2)
      activerecord (>= 5.0.1, < 6)
      diffy
    thread_safe (0.3.6)
    tzinfo (1.2.5)
      thread_safe (~> 0.1)

PLATFORMS
  ruby

DEPENDENCIES
  mysql2
  ridgepole

BUNDLED WITH
   1.16.2