{%- assign page_paths = site.footer_pages | default: [] -%}

<footer>
  <ul class="meta">
    <li>{{ site.title | escape }}</li>
    {%- if site.repository.url and site.repository.name -%}
    <li><a href={{ site.repository.url }}>{{ site.repository.name }}</a></li>
    {%- endif -%}
  </ul>
  {% if page_paths.size > 0 %}
  <nav>
    <ul>
      {%- for path in page_paths -%}
        {%- assign my_page = site.pages | where: "path", path | first -%}
        {%- if my_page.title -%}
        <li><a class="page-link" href="{{ my_page.url | relative_url }}">{{ my_page.title | escape }}</a></li>
        {%- endif -%}
      {%- endfor -%}
    </ul>
  </nav>
  {% endif %}
</footer>