setups.sh

#!/usr/bin/env bash

# This script will be run to install multiple versions of Drupal related software
# in building up a VirtualMachine for NEDCamp 2016

# The original basis of this script was a gist written by Jonathan Webb to install
# multiple versions of PHP using phpevn and brew
# https://gist.github.com/webbj74/4151020ef4f642fa80a6

# Check OS
if [ "${OSTYPE//[0-9.]/}" != "darwin" ]; then
  echo "This script is intended for OSX users."
  exit
fi

# Make sure Xcode License is accepted
sudo xcodebuild -license

# Install homebrew
function install_homebrew() {
  if [ -z "$(which brew)" ]; then
    echo "Installing Hombrew by following curl instructions from http://brew.sh"
    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
    echo "\nInstalled brew successfully."
  else 
    echo "Homebrew already successfully installed."
  fi
}

# Configure Homebrew
function configure_homebrew() {
  # Intall taps
  echo "Installing brew taps"
  brew tap homebrew/dupes
  brew tap homebrew/versions
  brew tap homebrew/homebrew-php

  # Update/upgrade everything
  echo "Updating and upgrading homebrew"
  brew update
  brew upgrade --all
}

# Install multiple versions of php
function install_php() {
  # install_php55
  install_php56
  install_php70  
}

function install_php55() {
  echo "Installing php 5.5"
  brew install php55
  brew link php55
  echo "date.timezone = UTC" > /usr/local/etc/php/5.5/conf.d/date.ini
  brew install php55-memcache
  brew install php55-xdebug
  brew install php55-xhprof
  brew unlink php55
}

function install_php56() {
  echo "Installing php 5.6"
  brew install php56
  brew link php56
  echo "date.timezone = UTC" > /usr/local/etc/php/5.6/conf.d/date.ini
  brew install php56-memcache
  brew install php56-xdebug
  brew install php56-xhprof
  brew unlink php56
}

function install_php70() {
  echo "Installing php 7.0"
  brew install php70
  brew link php70
  brew install --HEAD homebrew/php/php70-memcached
  brew install php70-xdebug
  brew unlink php70
}

function install_phpenv() {
  # Setup phpenv
  echo "Installing phpenv via brew"
  brew install phpenv
  
  if [ ! -d "${HOME}/.phpenv" ]; then
    echo "Running phpenv-install.sh"
    phpenv-install.sh
    export PATH="$HOME/.phpenv/bin:$PATH"
    eval "$(phpenv init -)"
  fi
  
  if [ ! -d "${HOME}/.phpenv/versions" ]; then
    echo "Making directory for phpenv versions"
    mkdir -p "${HOME}/.phpenv/versions"
  fi
  
  echo "Cleaning out previous entries"
  find "${HOME}/.phpenv/versions" -maxdepth 1 -mindepth 1 -type l -delete
  
  # Create symlinks for new versions
  phpenv_versions
}

# Set up phpenv versions 
function phpenv_versions() {
  echo "Finding all brew installed versions of PHP and extracting major and minor version numbers and creating two symlinks one for major and one for minor"
  for version in $(find $(find /usr/local/Cellar -maxdepth 1 -mindepth 1 -name 'php??' ) -maxdepth 1 -mindepth 1 -type d 2>/dev/null); do
    ln -s ${version} ${HOME}/.phpenv/versions/ 2>/dev/null
    ln -s ${version} ${HOME}/.phpenv/versions/$(echo "${version}" | perl -p -e "s/.*(\d+\.\d+)\.(.+)$/\1/") 2>/dev/null
  done

  echo "Rehashing phpenv"
  phpenv rehash
}

# Let's actually do these things now
install_homebrew
configure_homebrew
install_php
install_phpenv