#!/bin/sh

logdir="/var/log/${1?"Need logdir under /var/log"}"

if ! test -d "$logdir"; then
    echo "$logdir does not exist"
else
    ownership=$(stat --format='%u:%g' "$logdir")
    perms=$(stat --format='%a' "$logdir")
    bak -m "$logdir"
    mkdir -p "$logdir"
    chown $ownership "$logdir"
    chmod $perms "$logdir"
fi