ntfy_hook

#!/usr/bin/ash

hit_ntfy ()
{
  # source configuration
  . /etc/ntfy/mkinitcpio-ntfy.conf
  # allow X seconds for passphrase entry before notifying
  sleep ${NTFY_DELAY}
  # wait for network connectivity
  while ! ping -c 1 -w 1 one.one.one.one &> /dev/null
  do
    # if networking is set up via the net module of mkinitcpio-nfs-utils, the dns won't be working due to missing resolv.conf
    # first check if resolv.conf exists
    if [ ! -f /etc/resolv.conf ]; then
      # if not, check if ipconfig got the dns from dhcp
      for ethconf in $(find /tmp -name net-*.conf); do
        . ${ethconf}
        if [ "${IPV4DNS0}" != "0.0.0.0" ]; then
          echo "nameserver ${IPV4DNS0}" > /etc/resolv.conf
          break
        elif [ "${IPV4DNS1}" != "0.0.0.0" ]; then
          echo "nameserver ${IPV4DNS1}" > /etc/resolv.conf
          break
        fi
      done
      # if not, set the nameserver to Cloudflare
      if [ ! -f /etc/resolv.conf ]; then
        echo "nameserver 1.1.1.1" > /etc/resolv.conf
      fi
    fi
    sleep 1
  done
  # send message
  curl -s \
    -H "Authorization: Bearer ${NTFY_AUTH_TOKEN}" \
    -d "${NTFY_MESSAGE}" \
    ${NTFY_SERVER_URL} >/dev/null
}

run_hook ()
{
  ( hit_ntfy & )
}