Quick script implementation of the Pomodoro technique. You can hook these scripts into timers, or use it for ideas with your own implementation.

pomo

#!/usr/bin/env python3

import click
import os

RC_FILE = os.path.join(os.environ['HOME'], '.cache', 'pomodoro.rc')

def initialize_rc():
    if not os.path.exists(RC_FILE):
        write_rc(0)

def write_rc(contents):
    with open(RC_FILE, 'w') as rc:
        rc.write(str(contents).strip())

def read_rc():
    initialize_rc()
    with open(RC_FILE, 'r') as rc:
        contents = rc.read()
    return contents.strip()

def display_cycles():
    click.echo(read_rc())

@click.group(invoke_without_command=True)
@click.pass_context
def cli(ctx):
    if ctx.invoked_subcommand is None:
        display_cycles()

@click.option(
    '-q',
    '--quiet',
    help='Supress all output.',
    is_flag=True,
    default=False
)
@cli.command()
def cycle(quiet):
    cycles = int(read_rc()) + 1
    write_rc(cycles)
    if not quiet:
        display_cycles()

@cli.command()
def reset():
    if os.path.exists(RC_FILE):
        os.remove(RC_FILE)

if __name__ == '__main__':
    cli()

pomodoro-cycle.sh

#!/usr/bin/env bash

${HOME}/bin/pomo cycle --quiet

completed=$(${HOME}/bin/pomo)

message="Pomodoro cycles completed: ${completed}"$'\n'

if [ ${completed} -ge 4 ]; then
    adj='long'
else
    adj='short'
fi

message+="Take a ${adj} break."

gxmessage -center -ontop -sticky "${message}"

pomodoro-long-break.sh

#!/usr/bin/env bash

${HOME}/bin/pomo reset

message="Long break is complete."$'\n'
message+="Get back to work!"

gxmessage -center -ontop -sticky "${message}"

pomodoro-short-break.sh

#!/usr/bin/env bash

message="Short break is complete."$'\n'
message+="Get back to work, pleb!"

gxmessage -center -ontop -sticky "${message}"