The “rv” Tool is Making Swift Progress, Becoming a Must-Have for Rubyists

Back in the mists of time, I used a tool called rvm . It was more than just a Ruby version manager, it was also a gemset manager: instead of using bundle exec or a binstub, you could just type a command and it would work because every version+gemset was a pristine environment. Cool in a way, but also very complicated. I eventually migrated to the simpler rbenv and have used that for years now. It…