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I have three version of rack installed on local machine (rack (1.4.1, 1.3.6, 1.3.5)). For some gem (such as Cucumber), it requires a lower version of rack to be activated?
I have tried with bundle but there is no good.
When executed, cucumber will still use the activated rack with version 1.4.1 of the system. Bundlespecifies which gem should be installed but doesn't ensure which gem will be activated.
How could I activate certain version of rack?
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You can install a specific gem version with gem install [name] -v [version] and use it as [name] _[version]_ [command] [line] [args] .
To know all rails versions released, you check out on all rails versions. You can also do it with your terminal with the command line gem list rails --remote --all | grep "^rails " . I you want to install rails on another version of ruby, you need to switch version of ruby and re-install version of rails.
Install BundlerSelect Tools | Bundler | Install Bundler from the main menu. Press Ctrl twice and execute the gem install bundler command in the invoked popup. Open the RubyMine terminal emulator and execute the gem install bundler command.
You can specify a version in gemfile of your project
gem "rack", "1.3.5"
Pointed by matt:
To use gem specified in Gemfile:
bundle exec cucumber
Use bundler it will manage it for you.
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