#!/bin/bash
# docker-duplicity-backup
#
# Copyright (C) 2021  Pini <gilles.filippini -@- pini.fr>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

month_start=$(date -Iseconds | sed 's/..T..:..:../01T00:00:00/')

function backup_volume () {
  local volume="$1"
  duplicity --no-encryption --full-if-older-than "$month_start" --file-prefix "$volume." /volumes/$volume "$DUPLICITY_REMOTE_URI"
}

for volume in $VOLUMES; do
  echo "Backuping volume '$volume'..."
  backup_volume $volume
done