Move static resources around, adding new datasource to handle them

.gitattributes

@@ -0,0 +1 @@
+*.svg eol=lf

Rakefile

@@ -1,5 +1,10 @@
 require 'nanoc3/tasks'
 
+desc "Compile the site"
+task :compile do
+  `nanoc compile`
+end
+
 desc "Publish to http://developer.github.com"
 task :publish => [:clean] do
   FileUtils.rm_r('output') if File.exist?('output')

Rules

@@ -10,24 +10,7 @@
 #   item, use the pattern “/about/*/”; “/about/*” will also select the parent,
 #   because “*” matches zero or more characters.
 
-compile '/css/*/' do
-  # don’t filter or layout
-end
-
-compile '/shared/css/*/' do
-  # don’t filter or layout
-end
-
-compile '/images/*' do
-end
-
-compile '/shared/images/*' do
-end
-
-compile '/shared/js/*' do
-end
-
-compile '/assets/*' do
+compile '/static/*' do
 end
 
 compile '*' do
@@ -38,28 +21,8 @@ compile '*' do
   layout 'default'
 end
 
-route '/css/*/' do
-  item.identifier.chomp('/') << '.css'
-end
-
-route '/shared/css/*/' do
-  item.identifier.chomp('/') << '.css'
-end
-
-route '/images/*/' do
-  item.identifier.chomp('/') << '.png'
-end
-
-route '/shared/images/*/' do
-  item.identifier.chomp('/') << '.png'
-end
-
-route '/shared/js/*/' do
-  item.identifier.chomp('/') << '.js'
-end
-
-route '/assets/favicon/' do
-  '/favicon.ico'
+route '/static/*' do
+  item.identifier[7..-2]
 end
 
 route '*' do

config.yaml

@@ -39,3 +39,7 @@ data_sources:
     # The path where layouts should be mounted. The layouts root behaves the
     # same as the items root, but applies to layouts rather than items.
     layouts_root: /
+
+  -
+    type: static
+    items_root: /static

lib/static.rb

@@ -0,0 +1,55 @@
+require 'digest/sha1'
+
+module Nanoc3::DataSources
+
+  class Static < Nanoc3::DataSource
+
+    identifier :static
+
+    def items
+      # Get prefix
+      prefix = config[:prefix] || 'static'
+
+      # Get all files under prefix dir
+      filenames = Dir[prefix + '/**/*'].select { |f| File.file?(f) }
+
+      # Convert filenames to items
+      filenames.map do |filename|
+        attributes = {
+          :extension => File.extname(filename)[1..-1],
+          :filename  => filename,
+        }
+        identifier = filename[(prefix.length+1)..-1] + '/'
+
+        mtime      = File.mtime(filename)
+        checksum   = checksum_for(filename)
+
+        Nanoc3::Item.new(
+          filename,
+          attributes,
+          identifier,
+          :binary => true, :mtime => mtime, :checksum => checksum
+        )
+      end
+    end
+
+  private
+
+    # Returns a checksum of the given filenames
+    # TODO un-duplicate this somewhere
+    def checksum_for(*filenames)
+      filenames.flatten.map do |filename|
+        digest = Digest::SHA1.new
+        File.open(filename, 'r') do |io|
+          until io.eof
+            data = io.readpartial(2**10)
+            digest.update(data)
+          end
+        end
+        digest.hexdigest
+      end.join('-')
+    end
+
+  end
+
+end