我目前已经安装了 Rails 3.2.13(gem install rails -v 3.2.13)。但由于某些原因,我需要回滚到版本 3.2.13。我该怎么做?现在:
> rails -v
You have requested:
rails = 3.2.13
The bundle currently has rails locked at 3.2.12.
Try running `bundle update rails`
Run `bundle install` to install missing gems.