handle WP more tag if present in some posts

_src/_plugins/octopress_filters.rb

@@ -0,0 +1,32 @@
+# Filters taken from the Octopress project by Brandon Mathis.
+# https://github.com/imathis/octopress/blob/master/plugins/octopress_filters.rb
+module Jekyll
+
+  module Filters
+    
+    # Used on the blog index to split posts on the <!--more--> marker
+    def excerpt(input)
+      if input.index(/<!--\s*more\s*-->/i)
+        input.split(/<!--\s*more\s*-->/i)[0]
+      else
+        input
+      end
+    end
+    
+    # Checks for excerpts (helpful for template conditionals)
+    def has_more(input)
+      input =~ /<!--\s*more\s*-->/i ? true : false
+    end
+
+    # Replaces relative urls with full urls
+    def expand_urls(input, url='')
+      url ||= '/'
+      input.gsub /(\s+(href|src)\s*=\s*["|']{1})(\/[^\"'>]*)/ do
+        $1+url+$3
+      end
+    end
+
+  end
+
+end
+Liquid::Template.register_filter(Jekyll::Filters)

_src/_posts/2012-06-13-retina-icons-in-wordpress-3-4.markdown

@@ -18,6 +18,8 @@ And it looks gorgeous. Here's a detail screenshot of the admin area in 3.4 in fu
 
 ![](/media/wp34_retina_icons.png)
 
+<!-- more -->
+
 So if you're a plugin developer you absolutely want to make sure to include retina assets for your plugin, like a double sized admin menu icon.
 
 There's just one problem: WordPress doesn't include anything to make this easy for developers. The functions `register_post_type()` and `add_menu_page()` only allow you to define one image as menu icon which then gets inserted as `img` tag. 

_src/_posts/2012-07-07-what-makes-twitter-twitter.markdown

@@ -16,9 +16,9 @@ post_format:
 Couldn't agree more:
 
 > People. 140-character messages. That’s Twitter.
-
-So simple. So powerful. So fragile.
-
-So leave it alone. We’re talking. Don’t interrupt.
+>
+> So simple. So powerful. So fragile.
+>
+> So leave it alone. We’re talking. Don’t interrupt.
 
 But just rebuilding Twitter before it gets more "richer stories" and crammed by ads probably won't help: [We could build an open Twitter, but would anyone use it?](http://gigaom.com/2012/07/04/we-could-build-an-open-twitter-but-would-anyone-use-it/)

_src/index.html

@@ -54,7 +54,13 @@ description: 'Blog of designer & developer Matthias Kretschmann'
                     </a>
                 {% endif %}
                 
-                {{ post.excerpt }}
+                {% capture has_more %}{{ post.content | has_more }}{% endcapture %}
+                
+                {% if has_more == 'true' %}
+                    {{ post.content | post.excerpt | excerpt }}
+                {% else %}
+                    {{ post.excerpt }}
+                {% endif %}
         
                 <a class="more-link" href="{{ post.url }}">Continue reading <i class="icon-arrow-right"></i></a>