A bin/bootstrap script to install and configure Dnsmasq as a local DNS server for *.dev TLDs.

bootstrap.sh

#!/bin/sh

brew_install_if_needed() {
  package=$1

  brew info $package | grep "Not installed" > /dev/null 2>&1
  if [[ "$?" -eq "0" ]]; then
    brew install $package
  fi
}

add_git_remote_if_needed() {
  name=$1
  url=$2

  git remote | grep $name > /dev/null 2>&1
  if [[ "$?" -eq "1" ]]; then
    git remote add $name $url
  fi
}

# Configure local DNS Server to handle .dev TLDs
setup_local_dns_server() {
  dnsmasq_config=`brew --prefix`/etc/dnsmasq.conf
  daemon_config=/Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist
  dev_resolver=/etc/resolver/dev
  success=0

  # Dnsmasq will route *.dev to 127.0.0.1
  if [ -f $dnsmasq_config ]; then
    let success=1
  else
    echo "address=/dev/127.0.0.1" > $dnsmasq_config
  fi

  # Use dnsmasq as nameserver for .dev TLDs
  if [ -f $dev_resolver ]; then
    let success=1
  else
    sudo bash -c "mkdir -p /etc/resolver && echo \"nameserver 127.0.0.1\" > $dev_resolver"
  fi

  # Launch Dnsmasq on startup
  sudo cp `brew --prefix dnsmasq`/homebrew.mxcl.dnsmasq.plist $daemon_config
  sudo launchctl load $daemon_config

  if [[ "$success" -ne "0" ]]; then
    echo "I couldn't setup a local DNS sever for .dev TLD. Manual steps required."
    printf "\e[36m"
    echo ""
    echo "---------------------------------"
    echo "Some manual setup steps required; verify the following:"
    echo ""
    echo "1) Your $dnsmasq_config sets 'address=/dev/127.0.0.1'"
    echo "2) Your $dev_resolver sets 'nameserver 127.0.0.1'"
    echo "3) Your $daemon_config is loaded by launchctl"
  fi
}


brew_install_if_needed dnsmasq
setup_local_dns_server