#!/bin/sh workdir="$HOME/public/rootfs" filename="spark-x86_64-$(date '+%Y%m%d').tar.zst" cd "$workdir" podman create --name spark-rootfs localhost/spark:latest bash podman export spark-rootfs | zstd > ".$filename.part" podman rm spark-rootfs mv ".$filename.part" "$filename" ./switch "$filename"