#! /usr/bin/bash

set -euo pipefail
IFS=$'\n\t'

TS_DIR="$(systemd-path user-state-private)"/backup

mkdir --parents "${TS_DIR}"

backup () {
    target=$1
    directory=$2

    if "$(systemd-path user-binaries)"/dirtree-changed --directory "${directory}" --check-file "${TS_DIR}/${target}"
    then
        borg create --compression auto,lzma ::"${target}"-\{now\} "${directory}"
        touch "${TS_DIR}/${target}"
    fi
}

backup circuits "$(systemd-path user-configuration)"/circuits
backup documents "$(systemd-path user-documents)"