Question

I would like to avoid re-installing the gems if possible while doing the upgrade from 1.9.2 to 1.9.3. Is there an option as such while using RVM to manage ruby versions?

Answer 1

you can run

rvm upgrade 1.9.2 1.9.3

this will:

• install latest 1.9.3 (if needed)
• copy all gemsets
• run gem pristine on every single gem and report those that failed
• ask you if you want to delete the old ruby

the step with gem pristine is required as there might be changes between rubies that would break stuff – especially that gem creators use internal ruby stuff.