From db196ee12615f6651a13fee14880eda8d721aa49 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Wed, 10 Jul 2013 12:16:56 +1000
Subject: [PATCH] rake autospec should handle css file watching and reloading,
 guard is a bit pear shape at the moment

---
 lib/autospec/reload_css.rb | 40 ++++++++++++++++++++++++++++++++++++++
 lib/autospec/runner.rb     |  8 ++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 lib/autospec/reload_css.rb

diff --git a/lib/autospec/reload_css.rb b/lib/autospec/reload_css.rb
new file mode 100644
index 00000000000..ab4d9f74dc3
--- /dev/null
+++ b/lib/autospec/reload_css.rb
@@ -0,0 +1,40 @@
+module Autospec; end
+class Autospec::ReloadCss
+
+  MATCHERS = {}
+  def self.watch(pattern, &blk)
+    MATCHERS[pattern] = blk
+  end
+
+  watch(/tmp\/refresh_browser/)
+  watch(/\.css$/)
+  watch(/\.css\.erb$/)
+  watch(/\.sass$/)
+  watch(/\.scss$/)
+  watch(/\.sass\.erb$/)
+  watch(/\.handlebars$/)
+
+  def self.message_bus
+    MessageBus::Instance.new.tap do |bus|
+      bus.site_id_lookup do
+        # this is going to be dev the majority of the time, if you have multisite configured in dev stuff may be different
+        "default"
+      end
+    end
+  end
+
+  def self.run_on_change(paths)
+    paths.map! do |p|
+      hash = nil
+      fullpath = Rails.root.to_s + "/" + p
+      hash = Digest::MD5.hexdigest(File.read(fullpath)) if File.exists? fullpath
+      p = p.sub /\.sass\.erb/, ""
+      p = p.sub /\.sass/, ""
+      p = p.sub /\.scss/, ""
+      p = p.sub /^app\/assets\/stylesheets/, "assets"
+      {name: p, hash: hash}
+    end
+    message_bus.publish "/file-change", paths
+  end
+
+end
diff --git a/lib/autospec/runner.rb b/lib/autospec/runner.rb
index b7bb86da790..c0a35044e8f 100644
--- a/lib/autospec/runner.rb
+++ b/lib/autospec/runner.rb
@@ -1,6 +1,7 @@
 require "drb/drb"
 require "thread"
 require "fileutils"
+require "autospec/reload_css"
 
 module Autospec; end
 
@@ -183,6 +184,13 @@ class Autospec::Runner
           end
         end
       end
+      Autospec::ReloadCss::MATCHERS.each do |k,v|
+        matches = []
+        if k.match(file)
+          matches << file
+        end
+        Autospec::ReloadCss.run_on_change(matches) if matches.present?
+      end
     end
     queue_specs(specs) if hit
   rescue => e