Rails console 或 irb 找出当前环境的 RAILS_VERSION

Question

有点相关： 确定 Rails 中的 ruby​​ 版本

如何RAILS_VERSION从内部找出来rails console？

Answer 1

简短信息Rails.gem_version：

Rails.gem_version
# => Gem::Version.new("6.0.1")

长信息在Rails::Info：

Rails::Info
=> About your application's environment
Rails version             6.0.1
Ruby version              ruby 2....
RubyGems version          2.7...
Rack version              2.0...
Middleware                UTF8Cleaner::Middleware, Rack::Cors, ActionDispatch::HostAuthorization, Rack::Sendfile, ActionDispatch::Static, Rack::Lock, ActionDispatch::Executor, ...
Application root          /home/aaa/bb/app
Environment               development
Database adapter          mysql
Database schema version   20195201212345