disconnect/reconnect bluetooth headphones on mac sleep/wake

headphones.md

1. install blueutil (cli app to control bluetooth) and sleepwatcher (run commands on sleep and wake)

brew install blueutil sleepwatcher

2. find the address of your headphones with blueutil

> blueutil --paired
address: cc-98-8b-56-61-bd, connected (master, -45 dBm), not favourite, paired, name: "WH-1000XM3"

3. create ~/.sleep and ~/.wakeup files:

• ~/.sleep

#!/usr/bin/env bash

/usr/local/bin/blueutil -p 0

• ~/.wakeup (note the headphone address from before):

#!/usr/bin/env bash

/usr/local/bin/blueutil -p 1
sleep 0.5
/usr/local/bin/blueutil --connect cc-98-8b-56-61-bd

4. make scripts executable

chmod +x .sleep .wakeup

5. make sleewpwatcher run on startup

brew services start sleepwatcher