Github pages deploy task

Gemfile

@@ -1,12 +1,6 @@
 source :rubygems
 
-gem 'rack'
-gem 'rack-rewrite'
-gem 'json'
-gem 'rack-cache'
-
-group :development do
-  gem 'rake-pipeline', :git => "https://github.com/livingsocial/rake-pipeline.git"
-  gem 'rake-pipeline-web-filters', :git => "https://github.com/wycats/rake-pipeline-web-filters.git"
-  gem 'redcarpet'
-end
+gem 'rake-pipeline', :git => "https://github.com/livingsocial/rake-pipeline.git"
+gem 'rake-pipeline-web-filters', :git => "https://github.com/wycats/rake-pipeline-web-filters.git"
+gem 'redcarpet'
+gem 'highline'

Gemfile.lock

@@ -1,36 +1,29 @@
 GIT
   remote: https://github.com/livingsocial/rake-pipeline.git
-  revision: bb82ce330c2fc4cc5d918ecd140df3a5c3c6aa10
+  revision: 3088a028f5676326b82437c20db94eda6b002413
   specs:
     rake-pipeline (0.5.0)
       rake (~> 0.9.0)
 
 GIT
   remote: https://github.com/wycats/rake-pipeline-web-filters.git
-  revision: 671a8d29ca8cf4ead4f945b8623d13f3093bc376
+  revision: 4ee035750673d776f4f4aef31936fdd5b43f4102
   specs:
     rake-pipeline-web-filters (0.5.0)
       rake-pipeline
 
 GEM
   remote: http://rubygems.org/
   specs:
-    json (1.6.3)
-    rack (1.3.5)
-    rack-cache (1.1)
-      rack (>= 0.4)
-    rack-rewrite (1.2.1)
+    highline (1.6.8)
     rake (0.9.2.2)
-    redcarpet (2.0.0)
+    redcarpet (2.0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  json
-  rack
-  rack-cache
-  rack-rewrite
+  highline
   rake-pipeline!
   rake-pipeline-web-filters!
   redcarpet

Rakefile

@@ -6,3 +6,25 @@ namespace :assets do
   end
 end
 
+desc "Deploy the website to github pages"
+task :deploy do |t, args|
+  require "highline/import"
+  message = ask("Provide a deployment message:  ") do |q|
+    q.validate = /\w/
+    q.responses[:not_valid] = "Can't be empty."
+  end
+
+  # Cleaning may not be necessary
+  system "rakep clean"
+  system "rakep build"
+
+  Dir.chdir "output" do
+    unless File.exist?(".git")
+      system "git init"
+      system "git remote add origin [email protected]:emberjs/emberjs.github.com.git"
+    end
+    system "git add -A"
+    system "git commit -m '#{message.gsub("'", "\\'")}'"
+    system "git push origin master"
+  end
+end