Simple script to update a SPA

update-app.sh

#!/bin/bash

# Spinner code stolen from https://willcarh.art/blog/how-to-write-better-bash-spinners

trap stop_spinner EXIT
function start_spinner {
    set +m
    echo -n "$1         "
    { while : ; do for X in '  •     ' '   •    ' '    •   ' '     •  ' '      • ' '     •  ' '    •   ' '   •    ' '  •     ' ' •      ' ; do echo -en "\b\b\b\b\b\b\b\b$X" ; sleep 0.1 ; done ; done & } 2>/dev/null
    spinner_pid=$!
}

function stop_spinner {
    { kill -9 $spinner_pid && wait; } 2>/dev/null
    set -m
    echo -en "\033[2K\r"
}

echo > update-app.log

printf "Updating UI. "
cd /home/arfid/ARFID-UI/
git reset --hard HEAD &>> update-app.log
git pull  &>> update-app.log
printf "Done!"
echo


spinner_pid=
start_spinner "Installing UI dependencies. "
npm install --force  &>> update-app.log
stop_spinner
printf "Installing UI dependencies. Done!"
echo


spinner_pid=
start_spinner "Rebuilding UI. "
npm run build    &>> update-app.log
stop_spinner
printf "Rebuilding UI. Done!"
echo


printf "Updating API."
cd /home/arfid/ARFID/ &&
git reset --hard HEAD &>> update-app.log
git pull  &>> update-app.log
printf " Done!"
echo


spinner_pid=
start_spinner "Updating API dependencies. "
npm install    &>> update-app.log
stop_spinner
printf "Updating API dependencies. Done!"
echo


printf "Updating database schema."
npx prisma migrate deploy    &>> update-app.log
printf " Done!"
echo


printf "Generating database types."
npx prisma generate    &>> update-app.log
printf " Done!"
echo


spinner_pid=
start_spinner "Rebuilding API. "
npm run build    &>> update-app.log
stop_spinner
printf "Rebuilding API. Done!"
echo


printf "Restarting application."
pm2 restart arfid    &>> update-app.log
printf " Done!"
echo
echo "Logfile available at update-app.log"