CODEWITHSUNDEEP
ruby-on-railsruby
megashigger
megashigger

Reputation: 9053

How do I working on two apps with different Ruby/Rails versions?

I finished Michael Hartl's tutorial and created an app using Ruby 1.92 and Rails 3.2. Now I want to make my own app but I want to use the new versions of Ruby and Rails.

If I install the new versions for my new app, can I still make changes to my old app without things getting messed up or do I have to keep installing/uninstalling different Ruby and Rails versions?

Upvotes: 1

Views: 109

Answers (4)

rudolph9
rudolph9

Reputation: 8119

After installing the new version, by default new version will be used. However, already existing app will still use the version of rails they already exist as.

Bundler takes care a lot of the hard work for you in your situation.

Other notes: Keep in mind RVM allows you to install "Gemsets". Should you have the need to use specific versions for gems you can create sets of them for use when needed.

You can also specify the version of rails when you're creating your app via rails _3.x.x_ new FooBar and you can identify what versions of rails are installed on your system via gem list --local | grep rails

Upvotes: 1

kunalbhat
kunalbhat

Reputation: 1719

If you need to negotiate local and global ruby versions, consider using rbenv. https://github.com/sstephenson/rbenv

RVM is another popular option for ruby environment management. https://rvm.io/

Personally, I have been more successful with rbenv.

Upvotes: 0

twillw
twillw

Reputation: 64

You should look at using a ruby environment manager. I use rbenv, you can also specify in your gemfile which version of ruby and rails should be used for a specific application.

https://github.com/sstephenson/rbenv

Upvotes: 3

kristenmills
kristenmills

Reputation: 1287

You should be fine. Just make sure the proper versions are specified in your Gemfile and you will be good to go.

Upvotes: 1

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