#!/bin/bash

curl -s 'https://github.com/systemd/systemd-stable/releases/' | \
  tr '<>"' '\n' | \
  sed '
    s,^/systemd/systemd-stable/archive/refs/tags/v\([0-9.]\+\)\.tar\.gz$,\1,
    t
    d
  ' | \
  sort -V | \
  tail -n1