New mac install shell script

new-install.sh

#!/bin/bash

# Ensure not root
{
  if [ "$EUID" -e 0 ]
    then echo "Please do not run this script as root"
    exit
  fi
}

# Read Password
{
  echo This script requires admin priviledges, but cannot be run as root.
  echo -n Password:
  read -s PASSWORD
  echo

  echo $PASSWORD > ./askpass.sh
  echo $PASSWORD | sudo -S chmod +x ./askpass.sh
  export SUDO_ASKPASS=`pwd`/askpass.sh

  function cleanup {
    rm -f ./askpass.sh
  }

  trap cleanup EXIT
}

# install xcode cli tools
{
  xcode-select --install
  sleep 1
  osascript <<EOD
    tell application "System Events"
      tell process "Install Command Line Developer Tools"
        keystroke return
        click button "Agree" of window "License Agreement"
        delay 1
        keystroke return
        repeat
          delay 5
          if exists (button "Done" of window 1) then
            click button "Done" of window 1
            exit repeat
          end if
        end repeat
      end tell
    end tell
EOD
}

# install homebrew
{
  /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

  declare -a brews=(
  'chruby'
  'cmake'
  'elixir'
  'git'
  'mongo'
  'ruby-install'
  'zsh'
  )

  for i in "${brews[@]}"
  do
    brew install "$i"
  done
}

# install brew-cask
{
  brew tap caskroom/cask

  declare -a casks=(
  'atom'
  'beyond-compare'
  'firefox'
  'gitkraken'
  'google-chrome'
  'iterm2'
  'limechat'
  'scroll-reverser'
  'slack'
  'steam'
  'yakyak'
  )

  for i in "${casks[@]}"
  do
    brew cask install "$i"
  done
}

# install oh-my-zsh
{
  sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
  rm $HOME/.bash*
}

# install nvm
{
  rm -rf $HOME/.nvm
  curl -o- https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash

  source ~/.zshrc # since nvm doesnt auto load up

  nvm install 4
  nvm install 6
  nvm install node
}

# install ruby
# ruby-install --latest ruby
# source /usr/local/opt/chruby/share/chruby/auto.sh
# chruby > $HOME/.ruby-version

# install rust
curl https://sh.rustup.rs -sSf | sh -s -- -y

sudo rm /private/etc/sudoers.d/infinite-cache-this-is-bad