#!/bin/bash

function get_pids_to_restart {
    sudo lsof +c 0 / | \
        awk '/DEL|(deleted)/ { print $2 }' | \
        sort -u
}

function find_service_for_pid {
    systemctl status "$1" | \
        awk '$2 ~ /\.service$/ && NR == 1 { print $2 }'
}

function is_cron_child {
    if [ "$1" != "cronie.service" ]; then
        return 1
    fi
    if systemctl show cronie -p MainPID | grep -q "$2"; then
        return 1
    fi
    return 0
}

function echo_kill_pid {
    echo "sudo kill $1 # $(ps -p"$1" -o user=,cmd=)"
}

function echo_restart_service {
    echo "sudo systemctl restart $1"
}

for pid in $(get_pids_to_restart); do
    if [ "$pid" = 1 ]; then
        echo "sudo systemctl daemon-reexec"
        exit 0
    fi

    service="$(find_service_for_pid "$pid")"
    if is_cron_child "$service" "$pid"; then
        echo_kill_pid "$pid"

    elif [ -n "$service" ]; then
        echo_restart_service "$service"

    else
        echo_kill_pid "$pid"
    fi

done | sort -u