#!/bin/bash
set -e

SNAPSHOT_NAME="restic-auto-$(date +%Y%m%d_%H%M%S)"
echo "$SNAPSHOT_NAME" > /run/appdata_active_snapshot.txt

# 1. Take a recursive snapshot from the top-level tank/appdata parent
zfs snapshot -r tank/appdata@"$SNAPSHOT_NAME"

# 2. Mount the parent snapshot to a temporary scratch directory
mkdir -p /mnt/appdata-scratch
mount -t zfs tank/appdata@"$SNAPSHOT_NAME" /mnt/appdata-scratch