Brew Install My Dev Environment for macOS High Sierra - Slack, Docker, iTerm, IntelliJ, Google, SourceTree, Spotify, etc.

brew-install-mac-dev-environment.sh

#!/bin/bash
APP_FOLDER_LOCATION=/Applications
IFS=""

## Install applications via brew cask 
brew_install() {
  execute="$(brew cask install $1 2>&1)"
  case $execute in
      *Warning*|*Error*) echo "Warning while installing $1: $execute" ;;
      *successfully*) echo "$execute \n Installed $1." ;; 
      *) echo "$execute \n Something went wrong while installing $1." ;;
  esac
}

check_before_install() {
  ## Test for existence of the application
  if [[ -n $(find $APP_FOLDER_LOCATION -iname $1.app) ]]; then
    echo "$1 is already installed. Run - brew cask reinstall <cask-name> - to resinstall the cask."
  else
    case $1 in
      Slack) brew_install slack;;
      Docker) brew_install docker;;
      iTerm) brew_install iterm2;;
      Google\ Chrome) brew_install google-chrome;;
      IntelliJ\ Idea) brew_install intellij-idea;;
      Sourcetree) brew_install sourcetree;;
      Spotify) brew_install spotify;;
      Sequel\ Pro) brew_install sequel-pro;;
      Visual\ Studio\ Code) brew_install visual-studio-code;;
      *) echo "Add $1 to check_before_install() to install additional applications." ;;
      ## Add the application name to the switch case statement, then pass the cask-name to the brew_install function
      ## For example: Skype) brew_install skype
      ## Search for brew casks at https://caskroom.github.io/search
    esac
  fi
}

# Install Terraform
install_terraform(){
  execute="$(brew install terraform 2>&1)"
  case $execute in
      *brew\ link*)
        echo $execute
        read -r -p "${1:-Terraform already exists, would you like to overwrite it? [y/N]} " response
        case "$response" in
            [yY][eE][sS]|[yY]) 
                $(brew link --overwrite terraform);;
            *)
                echo "Not overwriting terraform.";;
        esac;;
      *Warning*|*Error*) echo $execute ;;
      *Summary*) echo "$execute \n Installed Terraform." ;; 
      *) echo "$execute \n Something went wrong while installing $1." ;;
  esac
}

# Install homebrew
install_homebrew_if_not_present() {
    echo "Checking for homebrew installation"
    which -s brew
    if [[ $? != 0 ]] ; then
        echo "Homebrew not found. Installing..."
        ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
    else
        echo "Homebrew already installed! Updating..."
        brew update
    fi
}

###
# Main body of script starts here
###

## Install brew and brew cask
install_homebrew_if_not_present
brew update
brew tap caskroom/cask
brew tap caskroom/versions
brew doctor

## Applications we will install with `brew cask install`
## additional applications can be added here if you wish to install them
declare -a applications=( Spotify Sourcetree Slack Docker iTerm "IntelliJ Idea" "Google Chrome" "Sequel Pro" "Visual Studio Code" )

## Check if the application is already installed, install if it's not
for element in ${applications[*]}
do
    check_before_install $element
done

## Install Terraform
install_terraform

## Install other miscellaneous tools
brew install git
brew install python #python 3
brew install node
brew install coreutils
brew cask install java8
#brew cask install java || if you want the latest version of java
brew install maven
brew install awscli
npm install -g serverless
brew install packer
brew install python2 #python2.7
brew install telnet
brew cask install sql-operations-studio

## Install oh-my-zsh for iTerm
sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"