rbfu plugin

This plugin starts rbfu, a minimal Ruby version manager, and adds some useful functions.

To use it, add rbfu to the plugins array in your zshrc file:

plugins=(... rbfu)

Note: rbfu is deprecated and should no longer be used.

Functions

rbfu-rubies: lists all installed rubies available to rbfu.
rvm_prompt_info: shows the Ruby version being used with rbfu.