install_rails_rbenv_ruby2.2.2.sh

#!/bin/bash

# run this command to install (without the #)
# bash <(curl -s https://raw.githubusercontent.com/future-youth-camp/snippets/master/install_rails_rbenv_ruby2.2.2.sh)

PS3='Please enter your choice: '
options=("Install ruby" "Quit")
select opt in "${options[@]}"
do
  case $opt in
    "Install ruby")
      # Create an empty bashrc if neeed be
      if [ ! -f ~/.bashrc ]; then
        touch ~/.bashrc
      fi

      # install rbenv
      if [ ! -d ~/.rbenv/ ]; then
        git clone https://github.com/sstephenson/rbenv.git ~/.rbenv
        echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
        echo 'source ~/.rbenv/completions/rbenv.bash' >> ~/.bashrc
        echo 'eval "$(rbenv init -)"' >> ~/.bashrc
      else
        echo 'rbenv was installed already'
      fi

      # clone ruby-build
      if [ ! -d ~/.rbenv/plugins/ruby-build ]; then
        git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
      fi

      # reload our env for a bit
      source ~/.bashrc

      # install ruby
      rbenv install 2.2.2
      rbenv global 2.2.2

      # install base gems
      gem update --system
      gem install bundler
      gem install rails
      rails new ~/test-app
      rm -rf ~/test-app

      # adding .railsrc config
      if [ ! -f ~/.railsrc ]; then
        touch ~/.railsrc
        echo '--skip-bundle #skips bundle install on generating a new rails app' >> ~/.railsrc
        echo '--skip-test-unit #skips making the test unit folders (rspec is better and comeon.. newbies)' >> ~/.railsrc
      else
        echo 'rails home config is present already. no need for install'
      fi
      echo '------------'
      echo 'All has been installed.'
      echo 'Start a new rails app with the command'
      echo 'rails new'
      break
      ;;
    "Quit")
      break
      ;;
    *) echo invalid option;;
  esac
done