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#!/usr/bin/env bash
# Copyright (c) 2021 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "cgitize" project.
# For details, see https://github.com/egor-tensin/cgitize.
# Distributed under the MIT License.
set -o errexit -o nounset -o pipefail
schedule="${SCHEDULE:-once}"
case "$schedule" in
once)
. /tmp/venv/bin/activate
exec "$@"
;;
15min) schedule='*/15 * * * *' ;;
hourly) schedule='0 * * * *' ;;
daily) schedule='0 0 * * *' ;;
weekly) schedule='0 0 * * 1' ;;
monthly) schedule='0 0 1 * *' ;;
*) ;;
esac
script="#!/bin/bash
cd /usr/src && . /tmp/venv/bin/activate &&$( printf -- ' %q' "$@" )"
echo "$script" > /task.sh
chmod +x /task.sh
# Run the task once when the container is started, regardless of schedule.
/task.sh
crontab="$schedule /task.sh
# This is the new crontab."
echo "$crontab" | crontab -
exec crond -f
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