Shell script for one-command bootstrap rails 4 project with ruby 2.0.0. [4.0.2] latest version. Please put the code into your ~/.bash_profile and call bootstrap_rails4 in terminal inside your target folder

gistfile1.sh

function set_ruby2_with_gemset(){
  local result=${PWD##*/}
  local result=${result// /_}
  local result=$(echo $result | tr '[A-Z]' '[a-z]')
  echo "prepare ruby 2.0 with gemset "$result
  rvm --create ruby-2.0.0-p247@$result
}

function use_ruby2_with_gemset(){
  local result=${PWD##*/}
  local result=${result// /_}
  local result=$(echo $result | tr '[A-Z]' '[a-z]')
  echo "use ruby 2.0 with gemset "$result
  rvm use ruby-2.0.0-p247@$result
}

function bootstrap_rails4(){
  echo "setting up ruby environment and gemset" &&
  set_ruby2_with_gemset
  wait
  echo "install rails 4.0.2 version, this may take a while" &&
  gem install rails -v 4.0.2
  wait
  echo "initialize rails project into current dir" &&
  rails new .
}