ruby-2.1.2 is not installed.
To install do: 'rvm install ruby-2.1.2'
Carrows-MacBook-Air:onemonthsimple Carrow$ rvm install ruby-2.1.2
Warning! PATH is not properly set up, $GEM_HOME is not set,
usually this is caused by shell initialization files - check them for 'PATH=...' entries,
it might also help to re-add RVM to your dotfiles: 'rvm get stable --auto-dotfiles',
to fix temporarily in this shell session run: 'rvm use ruby-2.2.1'.
ruby-2.1.2 is not installed. To install do: 'rvm install ruby-2.1.2' Carrows-MacBook-Air:onemonthsimple Carrow$ rvm install ruby-2.1.2 Warning! PATH is not properly set up, $GEM_HOME is not set, usually this is caused by shell initialization files - check them for 'PATH=...' entries, it might also help to re-add RVM to your dotfiles: 'rvm get stable --auto-dotfiles', to fix temporarily in this shell session run: 'rvm use ruby-2.2.1'.