set -e
  
echo "Upgrading PostHog. This will cause a few minutes of downtime."
read -r -p "Do you want to upgarde PostHog? [y/N] " response
if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]
then
    echo "OK!"
else
    exit
fi

[[ -f ".env" ]] && export $(cat .env | xargs) || ( echo "No .env file found. Please create it with POSTHOG_SECRET and DOMAIN set." && exit 1)

docker-compose stop

cd posthog
git pull
cd ../

rm -f docker-compose.yml
cp posthog/docker-compose.hobby.yml docker-compose.yml.tmpl
envsubst < docker-compose.yml.tmpl > docker-compose.yml
rm docker-compose.yml.tmpl

docker-compose pull

sudo -E docker-compose up -d

echo "PostHog upgraded successfully!"