{% comment %}
  Page links, inspired by the example at the bottom of
  https://jekyllrb.com/docs/pagination/.
{% endcomment %}
{% if site.posts.size != 0 %}
  {% comment %}
    Link to page 1 is tricky. If site.paginate_path is used, then we cannot
    simply use /. This is a silly attempt to get the proper page 1 link.
  {% endcomment %}
  {% if paginator.page == 1 %}
    {% assign page1_url = page.url %}
  {% else %}
    {% assign page1_url = page.url | split: '/' | pop | join: '/' | append: '/' %}
  {% endif %}
<ul class="pagination">
  {% if paginator.previous_page %}
    <li><a href="{{ paginator.previous_page_path | relative_url }}"><span class="glyphicon glyphicon-chevron-left"></span>&nbsp;Prev</a></li>
  {% else %}
    <li class="disabled"><a href="#"><span class="glyphicon glyphicon-chevron-left"></span>&nbsp;Prev</a></li>
  {% endif %}
  {% for page_number in (1..paginator.total_pages) %}
    {% if page_number == paginator.page %}
      <li class="active"><a href="#">{{ page_number }}</a></li>
    {% elsif page_number == 1 %}
      <li><a href="{{ page1_url | relative_url }}">{{ page_number }}</a></li>
    {% else %}
      <li><a href="{{ site.paginate_path | replace: ':num', page_number | relative_url }}">{{ page_number }}</a></li>
    {% endif %}
  {% endfor %}
  {% if paginator.next_page %}
    <li><a href="{{ paginator.next_page_path | relative_url }}">Next&nbsp;<span class="glyphicon glyphicon-chevron-right"></span></a></li>
  {% else %}
    <li class="disabled"><a href="#">Next&nbsp;<span class="glyphicon glyphicon-chevron-right"></span></a></li>
  {% endif %}
</ul>
{% endif %}