Ya Sure, You Betcha - It's a Sortin' Huginn Pluginn

config.yml

...
sort:
  src: posts
  by: date
  direction: asc
  dest: posts_asc

huginn_sort.coffee

module.exports = (site) ->

  by = site.sort.by ? 'date'

  #
  # Get the list of items to sort
  #
  site[site.sort.dest] = (item for item in site[site.sort.src])

  #
  # sort in descending or ascending order
  #
  site[site.sort.dest].sort switch site.sort.direction ? 'asc'
    when 'desc'
      (a, b) ->
        if a[by] < b[by] then 1 else if a[by] > b[by] then -1 else 0
    else
      (a, b) ->
        if a[by] > b[by] then 1 else if a[by] < b[by] then -1 else 0

index.html

...
{% for post in site.posts_asc limit: 5 %}
    <li><a href="/katra{{ post.url }}">{{ post.title }}</a></li>
{% endfor %}
...