Command line Pomodoro timer

pomodoro.sh

#!/bin/sh

usage() {
	echo "Usage: $(basename "$0") [focus time] [short break] [long break]"
}

if [ "$1" = "-h" ]; then
	usage
	exit 0
fi

focus_time=${1:-25}
short_break=${2:-5}
long_break=${3:-15}

# Ensure all arguments are numbers
case $focus_time$short_break$long_break in
	*[!0-9]*)
		echo "Arguments must be positive integer numbers" >&2
		usage >&2
		exit 1
		;;
esac

notify() {
	echo "$1"
	if command -v terminal-notifier >/dev/null 2>&1; then
		terminal-notifier -title 'Pomodoro' -message "$1"
	elif command -v notify-send >/dev/null 2>&1; then
		notify-send Pomodoro "$1"
	fi
}

countdown() {
	timer=$(($1 * 60))
	while true; do
		minutes=$((timer / 60))
		seconds=$((timer - 60*minutes))
		printf '\e[0K\r'  # Clear current line
		printf 'Remaining: %02d:%02d' "$minutes" "$seconds"

		[ $timer -eq 0 ] && break
		timer=$((timer - 1))
		sleep 1
	done
	printf '\n'
}

while true; do
	notify "Focus for $focus_time minutes"
	countdown "$focus_time"

	notify "Take a short break for $short_break minutes (1/4)"
	countdown "$short_break"

	notify "Focus for $focus_time minutes"
	countdown "$focus_time"

	notify "Take a short break for $short_break minutes (2/4)"
	countdown "$short_break"

	notify "Focus for $focus_time minutes"
	countdown "$focus_time"

	notify "Take a short break for $short_break minutes (3/4)"
	countdown "$short_break"

	notify "Focus for $focus_time minutes"
	countdown "$focus_time"

	notify "Take a long break for $long_break minutes (4/4)"
	countdown "$long_break"
done

usage.md

Installation

wget -o ~/.local/bin/pomodoro https://gist.githubusercontent.com/gpanders/81d1428e10cc1477888ebf49e360a7fb/raw/2e531dba1723b4f1a568b93d23400bbfaced1b08/pomodoro.sh
chmod +x ~/.local/bin/pomodoro

Obviously you can install it anywhere you like, just make sure the installation directory is on your PATH.

Usage

pomodoro [FOCUS_TIME] [SHORT_BREAK] [LONG_BREAK]

The default values are 25 for FOCUS_TIME, 5 for SHORT_BREAK, and 15 for LONG_BREAK. All units are in minutes.