#!/bin/bash

restart_process() {
    echo "Restarting cron.sh because daily backup time was set, changed or unset."
    pkill cron.sh
}

file_present() {
    if [ -f "/mnt/docker-aio-config/data/daily_backup_time" ]; then
        if [ "$FILE_PRESENT" = 0 ]; then
            restart_process
        else
            if [ -n "$BACKUP_TIME" ] && [ "$(head -1 "/mnt/docker-aio-config/data/daily_backup_time")" != "$BACKUP_TIME" ]; then
                restart_process
            fi
        fi
        FILE_PRESENT=1
        BACKUP_TIME="$(head -1 "/mnt/docker-aio-config/data/daily_backup_time")"
    else
        if [ "$FILE_PRESENT" = 1 ]; then
            restart_process
        fi
        FILE_PRESENT=0
    fi
}

while true; do
    file_present
    sleep 2
done