setup.sh

#!/bin/bash
set -o nounset
set -o errexit

exec > >(tee -ia script.log)
exec 2> >(tee -ia scripterr.out)

function main(){
  preflight
  install_prerequisites
  install_node_tools
  install_ruby_tools
  install_applications
  echo "Script logs can be found at ./script.log"
  echo "Script error logs can be found at ./scripterr.out"
}

function preflight(){
  if [[ $(whoami) == root ]]; then
    echo "Do not run this script as root. You will be prompted for your password when run as your user."
    exit 255
  else
    sudo -v
  fi

  if [[ -r "$HOME/.profile" ]]; then
    PROFILE_FILE="$HOME/.profile"
  else
    PROFILE_FILE="$HOME/.bash_profile"
    touch ~/.bash_profile
  fi
  readonly PROFILE_FILE
}

function install_prerequisites(){
  echo "Installing Prerequisites"

  if ! grep -q pam_tid.so /etc/pam.d/sudo; then
    echo "Enabling Touch ID for sudo"
    sudo sed -i $(date +%s) -e $'1a\\\nauth       sufficient     pam_tid.so' /etc/pam.d/sudo
  fi

  if ! [[ -x "$(command -v xcode-select)" ]]; then
    echo "Installing Xcode Command Line Tools"
    xcode-select --install
  fi

  if ! [[ -x "$(command -v brew)" ]]; then
    echo 'Homebrew is not installed, installing homebrew'
    CI=1 /usr/bin/ruby -e "$(ruby -e "require 'net/http'; puts Net::HTTP.get(URI.parse('https://raw.githubusercontent.com/Homebrew/install/master/install'))")"
  fi

  echo "Updating homebrew and upgrading packages"
  brew update && brew upgrade

  echo "Running brew doctor"
  echo "Please fix the errors that are now output to your terminal"
  brew doctor

  if ! [[ -d /usr/local/Cellar/curl ]]; then
    echo "No curl found, installing curl"
    brew install curl
  fi

  if ! [[ -x "$(command -v jq)" ]]; then
    echo "No jq found, installing jq"
    brew install jq
  fi
}

function install_node_tools(){
  echo "Installing Node Tools"

  if ! [[ -x "$(command -v nvm)" ]]; then
    echo "Nvm not found, installing nvm"
    curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.2/install.sh | bash
    [[ -r ${PROFILE_FILE}_node ]] && mv ${PROFILE_FILE}_node ${PROFILE_FILE}_node.$(date +%s)
    cat << 'EOF' > ${PROFILE_FILE}_node
export NVM_DIR="$([[ -n "${XDG_CONFIG_HOME:-}" ]] && printf %s "${XDG_CONFIG_HOME}/nvm" || printf %s "${HOME}/.nvm")" 
[[ -r "$NVM_DIR/nvm.sh" ]] && source "$NVM_DIR/nvm.sh"
[[ -r "$NVM_DIR/bash_completion" ]] && source "$NVM_DIR/bash_completion"
EOF
    source ${PROFILE_FILE}_node
  fi

  echo "Installing and using the latest Node LTS and npm"
  nvm install lts
  nvm use --lts
  nvm install-latest-npm

  if ! [[ -x "$(command -v watchman)" ]]; then
    echo "Installing React Native app dependency - Watchman"
    brew install watchman
  fi
  if ! grep -s ${PROFILE_FILE}_node ${PROFILE_FILE}; then
    echo "[[ -r ${PROFILE_FILE}_node ]] && source ${PROFILE_FILE}_node" >> ${PROFILE_FILE}
  fi
}

function install_ruby_tools(){
  if ! [[ -x "$(command -v rbenv)" ]]; then
    echo "Installing rbenv"
    brew install rbenv
    rbenv init
  fi

  [[ -r ${PROFILE_FILE}_ruby ]] && mv ${PROFILE_FILE}_ruby ${PROFILE_FILE}_ruby.$(date +%s)
  rbenv init - > ${PROFILE_FILE}_ruby
  source ${PROFILE_FILE}_ruby
  echo "Verifying that rbenv is properly set"
  curl -fsSL https://github.com/rbenv/rbenv-installer/raw/master/bin/rbenv-doctor | bash
  rbenv install 2.7.0
  sudo chown -R $(whoami):staff $HOME/.rbenv
  echo "Updating gems -- System"
  gem update
  gem update --system
  gem cleanup
  rbenv local 2.7.0
  rbenv global 2.7.0
  rbenv rehash
  echo "Updating gems -- 2.7.0"
  gem update
  gem update --system
  gem cleanup
  echo "Installing cocoapods"
  gem install cocoapods
  if ! grep -s ${PROFILE_FILE}_ruby ${PROFILE_FILE}; then
    echo "[[ -r ${PROFILE_FILE}_ruby ]] && source ${PROFILE_FILE}_ruby" >> ${PROFILE_FILE}
  fi
}

function install_applications(){
  if ! [[ -x "$(command -v aws)" ]]; then
    echo "Installing AWS CLI v2"
    curl -fsSLO https://awscli.amazonaws.com/AWSCLIV2.pkg
    sudo installer -pkg ./AWSCLIV2.pkg -target /
  fi

  echo "Installing applications"
  brew cask install postman mongodb-compass google-chrome visual-studio-code slack tunnelblick android-studio
}

if [[ $0 == $BASH_SOURCE ]]; then
  main "$@"
fi