Quick and simple audio pomodoro for MacOS.

audio_pomodoro_macos.sh

#!/bin/bash

# Usage:
#   ./audio_pomodoro_macos.sh <first_pomodoro_time> <number of pomodoros>
# Example:
#   ./audio_pomodoro_macos.sh 20m 10
# It will create 10 pomodoros; first one is 20 minutes long, subsequent are 25 minutes long.
# Both arguments are optional. If none are given, it will create 16 pomodoros, 25 minutes long each.

# 16 pomodoros equals 8 hours:
POMODORO_COUNT="${2:-16}"
# Set a chime 
CHIME_FILENAME="copper-bell-ding-25-204990.mp3"
# Pomodoro time equals 25 minutes
POMODORO_TIME="${1:-25m}"

play_chime () {
	if [ -f "$CHIME_FILENAME" ]; then afplay "$CHIME_FILENAME" &; fi
}

fade_in_and_chime () {
	for ((i=0; i<=$1; i++)); do osascript -e "set volume output volume $i"; done
	play_chime
}

fade_out_and_chime () {
	play_chime
	for ((i=$1; i>=0; i--)); do osascript -e "set volume output volume $i"; done
}

while [ $POMODORO_COUNT -gt 0 ]
do
	echo Starting Pomodoro $POMODORO_COUNT...
	
	time sleep $POMODORO_TIME
	POMODORO_TIME=25m
	if [ $POMODORO_COUNT -gt 1 ]
	then
		# retrieve old volume:
		OLD_VOLUME="$(osascript -e "output volume of (get volume settings)")"
		fade_out_and_chime $OLD_VOLUME &
		time sleep 5m
		fade_in_and_chime $OLD_VOLUME &
	else
		sleep 5m
	fi

	POMODORO_COUNT=$(($POMODORO_COUNT - 1))
done
afplay mixkit-happy-bells-notification-937.wav
echo Done!