#!/bin/sh

if [ -z ${DOMAIN} ]; then
    exit 0
fi

file=/etc/letsencrypt/live/${DOMAIN}/fullchain.pem

while [ ! -f $file ]; do
    echo "Waiting for ${file} ..."
    sleep 2
done

# Now we can start nginx as a daemon
nginx

cksum=$(cksum $file)
cksum_new=$cksum

# Check every 10 minutes for new certs
# If they are there, reload nginx
while true; do
    cksum_new=$(cksum $file)

    if [ $cksum != $cksum_new ]; then
        nginx -s reload
        cksum=$cksum_new
    fi
    sleep 600
done