a jekyll template for icalendar file

jekyll.ics

---
layout: none
---
BEGIN:VCALENDAR
VERSION:2.0
PRODID:http://www.example.com/
METHOD:PUBLISH
{% for post in site.posts limit:10 %}BEGIN:VEVENT
UID:{{ post.date | date: "%Y%m%d" }}@example.com
ORGANIZER;CN="Organizer Name":MAILTO:[email protected]
LOCATION:The Adress of the example
SUMMARY:{{ post.title }}
CLASS:PUBLIC
DTSTART:{{ post.date | date: "%Y%m%d" }}T170000Z
DTEND:{{ post.date | date: "%Y%m%d" }}T190000Z
DTSTAMP:{{ post.date | date: "%Y%m%d" }}T170000Z
END:VEVENT{% endfor %}
END:VCALENDAR

i think layout none is now called null, try if this works for you
i use this for http://bephpug.de/calendar.ics - see https://github.com/berlinphp/berlinphp.github.com/blob/master/calendar.ics