Script to notify you when current HEAD is deployed to Heroku

heroku-up-to-date.sh

#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

echo "Waiting for Heroku release hash to equal HEAD..."
echo "Press [CTRL+C] to stop.."

while :
do
  HEROKU_HASH=$(heroku releases | grep Deploy |head -n1 |cut -d ' ' -f4)
  LOCAL_HASH=$(git rev-parse HEAD)

  if [[ $LOCAL_HASH = $HEROKU_HASH* ]]; then
    notify-send "Heroku is up to date"
    break
  fi

	sleep 5
done