#!/bin/bash

set -e

die() {
    echo $1 >&2
    exit 1
}

# File contains key variable definition.
. "$HOME/.backup-www"
[[ -z "$key" ]] && die 'No $key definition.'

name="backup-$(date --rfc-3339=seconds | cut -c -19 | tr ': ' '-_').des3"

sudo find /etc /home/anton /var/www ! -name 'backup-*.des3' -print0 |\
    sudo cpio --create --dot --null |\
    openssl enc -des3 -k "$key" > "$name"
sha512sum "$name" > "$name.sha512sum"
scp "$name"* gd.bobov.name:
echo "File name: $name"