#!/bin/sh

# SPDX-FileCopyrightText: 2023 Benjamin Grande M. S. <ben.grande.b@gmail.com>
#
# SPDX-License-Identifier: AGPL-3.0-or-later

## Copy a file from an DomU to Dom0. Script has to be run in Dom0
set -eu

usage(){
  echo "usage: ${0##*/} <QUBE> <FILE> <FILE2...>
note: disk quota is capped and can be controlled via environment variables:
note:   UPDATES_MAX_BYTES (default: 4GiB)
note:   UPDATES_MAX_FILES (default: 2048)" >&2
  exit 1
}

test -n "${2-}" || usage
qube="${1}"
shift

dir="${HOME}/QubesIncoming/${qube}"
user="$(qvm-prefs --get -- "${qube}" default_user)"
max_bytes="${UPDATES_MAX_BYTES:-4GiB}"
max_files="${UPDATES_MAX_FILES:-2048}"
qvm-run --pass-io --localcmd="
  UPDATES_MAX_BYTES=\"${max_bytes}\" UPDATES_MAX_FILES=\"${max_files}\"
  /usr/libexec/qubes/qfile-dom0-unpacker \"${user}\" \"${dir}\"" \
  "${qube}" /usr/lib/qubes/qfile-agent "${@}"