A git update script for a nodejs project

nup.bash

#!/bin/bash
# emojis help instantly recognize something went wrong and where
function exit_err() { echo "❌ 💔" ; exit 1; }

set -Euo pipefail
echo "Updating your repo."
echo "☕️ Take a break - this might take a few minutes." 
git stash  
git co master -q
git pull origin master --ff-only -q
git fetch --prune -q
npm install || exit_err()
npm run build || exit_err()
echo "🍩 Done."       # have a donut - everyone needs a donut sometimes
echo $'\a'            # a beep in case you weren't paying attention