Update ChromeDriver based on the chrome version for Mac

update_chromedriver.sh

#!/bin/bash

####
# Author: ea2809 (Enrique García Galán)
# Description: Download the Mac chromedriver and move it to the expected site
# The user should have permissions to change the actual chromedriver
####

function updateChrome() {
  chromedriver="chromedriver"

  # Chromedriver donwload name
  arch=$(uname -p)
  file_name="chromedriver_mac64.zip"
  if [[ "${arch}" == "arm" ]]; then
    file_name="chromedriver_mac64_m1.zip"
  fi

  # Paths
  file_dir="/tmp"
  file_path="$file_dir/$file_name"
  chromedriver_path="$file_dir/$chromedriver"

  # Get local chrome version
  chrome_version=$(/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version | cut -d" " -f3 | cut -d"." -f-3)

  # Get the actual chromedriver version
  download_url="https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$chrome_version"
  echo "Getting latest release for $chrome_version at $download_url"
  download_location=$(curl "$download_url")

  # Actual chromedriver location
  chromedriver_location="https://chromedriver.storage.googleapis.com/$download_location/$file_name"

  rm $file_path || true
  echo "Downloading $chromedriver_location to $file_path"
  curl -o $file_path $chromedriver_location
  pushd $file_dir
  unzip $file_path $chromedriver
  popd

  # Unzip the chromedriver or show how to fix it
  actual_driver=$(which $chromedriver)
  if [[ -f $actual_driver ]]; then
    mv $actual_driver $actual_driver.back
    mv $chromedriver_path $actual_driver

    # Clean
    rm $file_path
  else
    echo "I don't know where you should have your chormedriver"
    echo "Downloaded $file_name is at $file_path"
  fi
}

updateChrome