paper_trail 7.1.0
Track changes to your models, for auditing or versioning. See how a model looked at any stage in its lifecycle, revert it to any version, or restore it after it has been destroyed.
          Gemfile:
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          インストール:
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      Runtime依存関係 (2):
            activerecord
            < 5.2, >= 4.0
          
          
            request_store
            ~> 1.1
          
    Development依存関係 (15):
            appraisal
            ~> 2.1
          
          
            database_cleaner
            ~> 1.2
          
          
            ffaker
            ~> 2.5
          
          
            generator_spec
            ~> 0.9.3
          
          
            mysql2
            ~> 0.4.2
          
          
            pg
            ~> 0.19.0
          
          
            pry-byebug
            ~> 3.4
          
          
            rack-test
            ~> 0.6.3
          
          
            railties
            < 5.2, >= 4.0
          
          
            rake
            ~> 12.0
          
          
            rspec-rails
            ~> 3.5
          
          
            rubocop
            = 0.48.1
          
          
            rubocop-rspec
            ~> 1.15.0
          
          
            sqlite3
            ~> 1.2
          
          
            timecop
            ~> 0.8.0
          
    


