personal_site/_includes/post_summary.html

{% capture nowunix %}{{'now' | date: '%s'}}{% endcapture %}
{% capture posttime %}{{post.date | date: '%s'}}{% endcapture %}


{% if post.path contains '_drafts' or posttime > nowunix %}
{% assign is_draft = true %}
{% else %}
{% assign is_draft = false %}
{% endif %}


<article class="h-entry blogroll {% if is_draft %}draft{%endif%}">

<a class="u-uid u-url" href="{{ post.url }}">
<figure>
<img class="u-photo" 
    src = "{{ post.thumbnail | default: post.image}}"
    class = "{{ post.image_class }}"
    alt="{{post.alt | smartify}}">
</figure>
</a>

<section>
  <h2 class="p-name blogroll-title"><a class="u-uid u-url" href="{{ post.url }}">{{ post.title }}</a></h2>
  <time class="dt-published" datetime="{{ post.date | date_to_xmlschema }}">{{ post.date | date_to_string }}</time>
  <summary class="p-summary">{{ post.excerpt | markdownify | remove: '<p>' | remove: '</p>' }}</summary>
</section>
</article>
{% unless forloop.last %}
  <hr class="blogroll">
{% endunless %}