This is a handy file to install build dependnecies

bootstrap.sh

#!/bin/bash
# Installs tools to build and initialises Carthage dependencies
# Run this after your initial clone

set -eu

ruby_version=2.5.0

function resolve_brew() {
  if [ ! `which brew 2> /dev/null` ]; then
    echo "+++ installing rbenv"
    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
    brew --version
  else
    brew update
    brew --version
  fi
}

function resolve_dep() {
  dep=$1
  resolve=$2

  if [ ! `which $dep 2> /dev/null` ]; then
    echo "+++ installing $dep"
    $resolve $dep
  else
    echo "+++ Confirmed $dep available"
  fi
}

function resolve_rbenv() {
# slightly complimacated. Install rbenv and required rubies
  if [ ! `which rbenv 2> /dev/null` ]; then
    echo "+++ installing rbenv"
    brew install rbenv
    echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
    echo 'eval "$(rbenv init -)"' >> ~/.zshrc
    eval "$(rbenv init -)"
    rbenv install $ruby_version
    rbenv global $ruby_version
  fi
}

function brew_dep() {
  resolve_dep $1 "brew install"
}

rm -rf Carthage

resolve_brew
brew_dep carthage
resolve_rbenv
resolve_dep bundle "gem install"

bundle install
bundle exec pod install
carthage bootstrap --platform ios --cache-builds
git reset HEAD .