Improved .rvmrc for cancan

gistfile1.sh

#!/usr/bin/env bash

# adapted from: http://rvm.beginrescueend.com/workflow/rvmrc/

ruby_string="1.8.7"
gemset_name="cancan"

if rvm list strings | grep -q "${ruby_string}" ; then

  # Load or create the specified environment
  if [[ -d "${rvm_path:-$HOME/.rvm}/environments" \
    && -s "${rvm_path:-$HOME/.rvm}/environments/${ruby_string}@${gemset_name}" ]] ; then
    \. "${rvm_path:-$HOME/.rvm}/environments/${ruby_string}@${gemset_name}"
  else
    rvm --create  "${ruby_string}@${gemset_name}"
  fi

else

  # Notify the user to install the desired interpreter before proceeding.
  echo "${ruby_string} was not found, please run 'rvm install ${ruby_string}' and then cd back into the project directory."

fi