emulate implementation from jquery-rails gem

Gemfile

@@ -1,6 +1,9 @@
 source 'http://rubygems.org'
 
-gem 'sinatra', '~> 1.0'
-gem 'shotgun', :group => :reloadable
-gem 'thin', :group => :reloadable
-gem 'json'
+# Specify your gem's dependencies in jquery-rails.gemspec
+gemspec
+# Rails is already being pulled in through gemspec
+# gem "rails", :git => "git://github.com/rails/rails.git"
+gem "rack", :git => "git://github.com/rack/rack.git"
+gem "sprockets", :git => "git://github.com/sstephenson/sprockets.git"
+gem "i18n", "0.6.0beta1"

Gemfile.lock

@@ -0,0 +1,26 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    daemons (1.1.3)
+    eventmachine (0.12.10)
+    json (1.5.2)
+    rack (1.3.0)
+    shotgun (0.9)
+      rack (>= 1.0)
+    sinatra (1.2.6)
+      rack (~> 1.1)
+      tilt (< 2.0, >= 1.2.2)
+    thin (1.2.11)
+      daemons (>= 1.0.9)
+      eventmachine (>= 0.12.6)
+      rack (>= 1.0.0)
+    tilt (1.3.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  json
+  shotgun
+  sinatra (~> 1.0)
+  thin

Rakefile

@@ -0,0 +1,10 @@
+require 'bundler'
+Bundler::GemHelper.install_tasks
+
+# require "spec/rake/spectask"
+# desc "Run all examples"
+# Spec::Rake::SpecTask.new(:spec) do |t|
+#   t.ruby_opts  = ['-r test/unit']
+#   t.spec_opts = %w[--color]
+# end
+task :default => :spec

lib/generators/spine/install/install_generator.rb

@@ -0,0 +1,18 @@
+require 'rails'
+
+module Jquery
+  module Generators
+    class InstallGenerator < ::Rails::Generators::Base
+
+      desc "This generator installs Spine #{Spine::Rails::SPINE_VERSION}"
+
+      source_root File.expand_path('../../../../../vendor/assets/javascripts', __FILE__)
+
+      def copy_spine
+        say_status("copying", "Spine (#{Spine::Rails::SPINE_VERSION})", :green)
+        copy_file "spine.js", "public/javascripts/spine.js"
+        copy_file "spine.min.js", "public/javascripts/spine.min.js"
+      end
+    end
+  end
+end if ::Rails.version < "3.1"

lib/spine-rails.rb

@@ -0,0 +1 @@
+require 'jquery/rails'

lib/spine/rails.rb

@@ -0,0 +1,12 @@
+module Jquery
+  module Rails
+    PROTOTYPE_JS = %w{prototype effects dragdrop controls}
+
+    if ::Rails.version < "3.1"
+      require 'jquery/rails/railtie'
+    else
+      require 'jquery/rails/engine'
+    end
+    require 'jquery/rails/version'
+  end
+end

lib/spine/rails/railtie.rb

@@ -0,0 +1,16 @@
+module Jquery
+  module Rails
+    class Railtie < ::Rails::Railtie
+      config.before_configuration do
+        if ::Rails.root.join("public/javascripts/spine.min.js").exist?
+          sp_defaults = %w(spine)
+          sp_defaults.map! {|a| a + ".min" } if ::Rails.env.production?
+        else
+          sp_defaults = ::Rails.env.production? ? %w(spine.min) : %w(spine)
+        end
+
+        config.action_view.javascript_expansions[:defaults] |= sp_defaults
+      end
+    end
+  end
+end

lib/spine/rails/version.rb

@@ -0,0 +1,6 @@
+module Jquery
+  module Rails
+    VERSION = "0.0.1"
+    SPINE_VERSION = "0.0.4"
+  end
+end

spine-rails.gemspec

@@ -0,0 +1,25 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../lib/jquery/rails/version', __FILE__)
+
+Gem::Specification.new do |s|
+  s.name        = "jquery-rails"
+  s.version     = Jquery::Rails::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["André Arko"]
+  s.email       = ["andre@arko.net"]
+  s.homepage    = "http://rubygems.org/gems/jquery-rails"
+  s.summary     = "Use jQuery with Rails 3"
+  s.description = "This gem provides jQuery and the jQuery-ujs driver for your Rails 3 application."
+
+  s.required_rubygems_version = ">= 1.3.6"
+  s.rubyforge_project         = "jquery-rails"
+
+  s.add_dependency "railties", "~> 3.0"
+  s.add_dependency "thor",     "~> 0.14"
+  s.add_development_dependency "bundler", "~> 1.0.0"
+  s.add_development_dependency "rails",   "~> 3.0"
+
+  s.files        = `git ls-files`.split("\n")
+  s.executables  = `git ls-files`.split("\n").select{|f| f =~ /^bin/}
+  s.require_path = 'lib'
+end