#!/bin/bash
set -euo pipefail

SRC="/srv/navidrome/music/"
DST="zh3289@zh3289.rsync.net:/data1/home/zh3289/navidrome/Music/"
LOCKFILE="/run/backup-navidrome-music.lock"

exec 9>"$LOCKFILE"
flock -n 9 || {
    echo "Backup already running"
    exit 1
}

echo "==== $(date -Is) backup start ===="

rsync -aH --delete \
  --info=progress2,stats \
  "$SRC" "$DST"

echo "==== $(date -Is) backup done ===="