#!/bin/bash

set -eu

if pgrep borg > /dev/null; then
    echo "Borg is still running!"
    exit 1
fi

source "$1"

set -x

ionice -c 3 -p $$
renice -n 19 -p $$ > /dev/null

[ "$BACKUP_SNAP" -eq 1 ] && bsnap on

cd "$BACKUP_PATH"

borg create \
    $([ -t 0 ] && echo --progress) \
    --info --stats \
    --compression lz4 \
    --exclude-from "$BACKUP_EXCLUDE_FILE" \
    "${BACKUP_REPO}::{hostname}-{now}" .

borg prune \
    --info --stats \
    --keep-daily=7 \
    --keep-weekly=4 \
    --keep-monthly=12 \
    --prefix='{hostname}-' \
    "$BACKUP_REPO"

[ "$BACKUP_SNAP" -eq 1 ] && bsnap off

exit 0