{{ if or (getenv "HUGO_LAST_UPDATE_TIME") (getenv "HUGO_LAST_UPDATE_HASH") }}
  <small id="last-updated">
    Last updated
    {{ with getenv "HUGO_LAST_UPDATE_TIME" }}on {{ partial "year-relative-date.html" . }},{{ end }}
    {{ with getenv "HUGO_LAST_UPDATE_HASH" }}from <a href="https://github.com/by-jp/www.byjp.me/tree/{{ . }}">{{ . }}</a>{{ end }}.
  </small>
{{ end }}