install ruby @ OS X

OS X comes with a pretty hung ruby (1.8.7) until ‚Mavericks‘. ruby 1.8.7 had it’s planned EOL long ago, even debian/stable nowadays comes with a newer one.

So if you’re still running Mountain Lion or older, you may need to install ruby.

I chose rbenv and here’s how I did:

  • RTFM
  • install rbenv: $ brew install rbenv ruby-build
  • add : $ brew install rbenv ruby-build
  • patch .bashrc
  • do a $ rbenv rehash
  • purge all previously installed gems: $ gem list | cut -d ' ' -f 1 | xargs sudo gem uninstall
  • restart terminal
  • install a ruby of choice, and happily bundle install ever after

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