Dusk Chrome Update bash script MacOS

dusk-chrome-update.sh

#!/bin/bash

# https://chromedriver.storage.googleapis.com/LATEST_RELEASE
# https://chromedriver.storage.googleapis.com/%s/chromedriver_mac64.zip
# unzip
# mv chromedriver /vendor/laravel/dusk/bin/chromedriver-mac

if [ ! -f "./vendor/laravel/dusk/bin/chromedriver-mac" ]; then echo 'No Dusk Dir.' && exit 1; fi
a=$(uname -m) &&
rm -r ~/Downloads/chromedriver/
mkdir ~/Downloads/chromedriver/ &&
wget -O ~/Downloads/chromedriver/LATEST_RELEASE https://chromedriver.storage.googleapis.com/LATEST_RELEASE &&
if [ $a == i686 ]; then b=32; elif [ $a == x86_64 ]; then b=64; fi &&
latest=$(cat ~/Downloads/chromedriver/LATEST_RELEASE) &&
wget -O ~/Downloads/chromedriver/chromedriver.zip 'https://chromedriver.storage.googleapis.com/'$latest'/chromedriver_mac'$b'.zip' &&
#sudo unzip ~/Downloads/chromedriver/chromedriver.zip chromedriver -d /usr/local/bin/ &&
unzip ~/Downloads/chromedriver/chromedriver.zip chromedriver -d ~/Downloads/chromedriver &&
mv ~/Downloads/chromedriver/chromedriver vendor/laravel/dusk/bin/chromedriver-mac &&
echo 'success'