#! /bin/bash


set -eu
IFS=$'\n\t'

[ $UID -eq 0 ] || { echo "need to be root" ; exit 1 ; }

if [ $# -lt 1 ] ; then
  echo "missing dir list"
  exit 1
fi

bdir=/var/run/backup_$(date -I)

mkdir -p $bdir || exit 2

for dir in "$@" ; do
  test -d $dir || { echo $dir dont exists ; continue ; }
  dirname=$(basename $dir)
  tar -cpzf ${bdir}/${dirname}.tgz $dir
  echo $? > /run/${dirname}.status
done