Pow's .powenv config file for use with RVM's config files .rvmrc or .ruby-version (+ optional .ruby-gemset)

.powenv

#!/usr/bin/env bash

if [ -f "${rvm_path}/scripts/rvm" ]; then

  source "${rvm_path}/scripts/rvm"

  # use the config files
  # .rvmrc supersedes all others
  if [ -f ".rvmrc" ]; then
    source ".rvmrc"

  elif [ -f ".ruby-version" ]; then
    environment_id=`cat .ruby-version`

    if [ -f ".ruby-gemset" ]; then
      environment_id=`cat .ruby-version`@`cat .ruby-gemset`
    fi
    
    rvm use "$environment_id" || {
      echo "Failed to open RVM environment '${environment_id}'."
      return 1
    }    
  fi
fi