Pagination on all posts and showing latest post on home page with Jekyll

!index.html

---
layout: default
title: Kriss Rott
tagline:
---
{% include JB/setup %}

<div class="blog-index">
	{% assign post = site.posts.first %}
	{% assign content = post.content %}
</div>


<!--
	This loops through the paginated posts
	And renders the post
-->
{% assign i = 0 %}
{% for post in paginator.posts %}

	{% if i == 0 %}
		<h1><a href="{{ post.url }}">{{ post.title }}</a></h1>
		<p class="author">
			<span class="date">{{ post.date | date: '%B %d, %Y' }}</span>
		</p>
		<div class="content">
			{{ post.content }}
		</div>
	{% endif %}
	{% assign i = i | plus: 1 %}
{% endfor %}

<hr/>

<!--
	This loops through the paginated posts
	And get the actual post's index
-->
{% assign next_post_index = 1 %}
{% for page in (1..paginator.total_pages) %}
	{% if page == paginator.page %}
		{% break %}
	{% endif %}
	{% assign next_post_index = next_post_index | plus: 1 %}
{% endfor %}

<!--
	This loops through the paginated posts
	And renders the next post
-->
{% assign next_post_index = next_post_index | plus: 1 %}
<!--<h1>{{next_post_index}}</h1>-->

{% assign i = 1 %}
{% for post in site.posts %}
	{% if i == next_post_index%}
		{% if post.hidden != true %}

			<article class="home" style="margin-top:40px">

				<span class="post-date">
					{% assign d = post.date | date: "%d" | plus:'0' %}
					{{ post.date | date: "%B" }}
					{% case d %}
					{% when 1 or 21 or 31 %}{{ d }}st,
					{% when 2 or 22 %}{{ d }}nd,
					{% when 3 or 23 %}{{ d }}rd,
					{% else %}{{ d }}th,
					{% endcase %}
					{{ post.date | date: "%Y" }}
				</span>

				<h3>

					<a href="{{ BASE_PATH }}{{ post.url }}">{{ post.title }}</a>
				</h3>

				<div>

					{% if post.fullview %}

						{{ post.content }}
					{% else %}

						<a href="{{ BASE_PATH }}{{post.url }}">
							{% if post.shortinfo %}
								{{ post.shortinfo }}
							{% elsif post.description %}
								{{ post.description }}
							{% else %}
								{{ post.excerpt }}
							{% endif %}
						</a>
					{% endif %}
				</div>

			</article>
		{% endif %}
	{% endif %}
	{% assign i = i | plus: 1 %}
{% endfor %}

<hr/>

<!--
	This loops through the paginated posts
	And renders the pager
-->
<ul class="pager">

	{% if paginator.previous_page %}
	<li class="previous">
		{% if paginator.previous_page == 1 %}
		<a href="{{ BASE_PATH }}/">&larr; Newer</a>
		{% else %}
		<a href="{{ BASE_PATH }}/{{ site.paginate_path | replace: ':num', paginator.previous_page }}">&larr; Newer</a>
		{% endif %}
	</li>
	{% else %}
	<li class="previous disabled">
		<a>&larr; Newer</a>
	</li>
	{% endif %}

	<li>
		<span class="page_number">Page: {{ paginator.page }} of {{ paginator.total_pages }}</span>
	</li>

	{% if paginator.next_page %}
	<li class="next">
		<a href="{{ BASE_PATH }}/{{ site.paginate_path|replace: ':num',paginator.next_page }}">Older &rarr;</a>
	</li>
	{% else %}
	<li class="next disabled">
		<a>Older &rarr;</a>
	</li>
	{% endif %}
</ul>

_config.yml

...
paginate: 1
paginate_path: "posts/page:num/"
...