#!/usr/bin/env bash
# Bash functions for notifying when your internet connection comes back up
# From https://brettterpstra.com/2018/05/04/shell-tricks-what-to-do-when-you-cant-do-internet/

set -o errexit
set -o nounset

# A truly atrocious way to get your attention
nag() {
	while true; do
		for phrase in "$@"; do
			afplay /System/Library/Sounds/Ping.aiff
			say "$phrase"
			sleep 3
		done
	done
}

# Poll a DNS resolver to see when you can reach it, then notify
imdown() {
	until ping -W1 -c1 8.8.8.8; do
		sleep 5;
	done
	nag \
	"internet connection is back up\!" \
	"Skynet is thinking" \
  "your tribulation is over\!" \
	"Praise what gods may be. internet\!" \
	"O M G we're online" \
	"In the words of Dr. Frankenstein, it's alive\!"
}

imdown