This script turns watson into a pomodoro timer. It takes a single argument: time in minutes for the pomodoro sprint. The rest are passed to `watson start`. Once the timer is up, it activetes the shell in which it's running, and asks the user to press `Enter` to stop watson.

watson-pomodoro.sh

# getting the duration in minutes, and shifting the arguments, which will be all passed to watson
DURATION=$1
shift
echo "Setting pomodoro for ${DURATION} minutes"

WINDOW_DECIMAL_ID=`xdotool getwindowfocus`
WINDOW_ID=`printf '0x%x\n' ${WINDOW_DECIMAL_ID}`

watson start "$@"

if [ "$?" = "0" ]
then
        duration=`expr $DURATION \* 60`

        start=`date '+%s'`
        end=$(($start + $duration))
        current=$start

        left=$(($end - $current))

        echo "Pomodoro ends at $(date -d@${end} +%H:%M:%S)"
        while (($left > 0)); do
                sleep 1
                current=`date '+%s'`
                left=$(($end - $current))
                formattedTime=`date -d@${left} -u +%H:%M:%S`
                printf "\e\r${formattedTime}"
        done

        wmctrl -i -a ${WINDOW_ID}
        echo ""
        read -p "Press enter to stop"
        watson stop
fi