chruby compatibility with RVM (injection in /usr/local/share/chruby/chruby.sh) and windows chruby

chruby.rb

# require 'pry'
# binding.pry

linked_folder = 'C:\\Rails\\RubyCurrent'
rubies = {
  '2.1' => 'C:\\Rails\\Ruby2.1.0',
  '2.2' => 'C:\\Rails\\Ruby2.2.0'
}

current_version = RUBY_VERSION[/\d.\d/]
toggle_version = rubies.keys.reject {|v| v == current_version }.first

system "rmdir #{linked_folder}"
system %Q{mklink.bat "#{linked_folder}" "#{rubies[toggle_version]}"}

puts 'Switched ruby version to %s' % toggle_version

chruby.sh

#!/usr/bin/env bash --login

source ~/.rvm/scripts/extras/chruby.sh

function chruby() {
  echo "Skipping chruby!"
}

# detect `$rvm_path`
if [ -z "${rvm_path:-}" ] && [ -x "${HOME:-}/.rvm/bin/rvm" ]
  then rvm_path="${HOME:-}/.rvm"
fi
if [ -z "${rvm_path:-}" ] && [ -x "/usr/local/rvm/bin/rvm" ]
  then rvm_path="/usr/local/rvm"
fi

# load environment of current project ruby
if
    [ -n "${rvm_path:-}" ] &&
    [ -x "${rvm_path:-}/bin/rvm" ] &&
    rvm_project_environment=`"${rvm_path:-}/bin/rvm" . do rvm env --path 2>/dev/null` &&
    [ -n "${rvm_project_environment:-}" ] &&
    [ -s "${rvm_project_environment:-}" ]
then
  echo "RVM loading: ${rvm_project_environment:-}"
  \. "${rvm_project_environment:-}"
else
  echo "RVM project not found at: $PWD"
fi

mklink.bat

@echo off
mklink /D /H /J %*