Improve the update task to download jQuery 2 as well.

Rakefile

@@ -18,31 +18,22 @@ task :guard_version do
   end
 
   check_version('jquery.js', /jQuery JavaScript Library v([\S]+)/, 'JQUERY_VERSION')
+  check_version('jquery2.js', /jQuery JavaScript Library v([\S]+)/, 'JQUERY_2_VERSION')
 end
 
 task :update_jquery do
-  puts "Downloading jquery.js"
-  puts `curl -o vendor/assets/javascripts/jquery.js http://code.jquery.com/jquery.js`
-  puts "Downloading jquery.min.js"
-  puts `curl -o vendor/assets/javascripts/jquery.min.js http://code.jquery.com/jquery.min.js`
-  puts "Downloading jquery.min.map"
-  puts `curl -o vendor/assets/javascripts/jquery.min.map http://code.jquery.com/jquery.min.map`
-
-  puts "Updating version.rb"
-  version = false
-  File.foreach('vendor/assets/javascripts/jquery.js') do |line|
-    version = line.match(/jQuery JavaScript Library v([\S]+)/)
-    version = version && version[1]
-    break if version
-  end
-
-  version_path = 'lib/jquery/rails/version.rb'
-  lines = IO.readlines(version_path).map do |line|
-    line.gsub(/JQUERY_VERSION = "([\d\.]+)"/, "JQUERY_VERSION = \"#{version}\"")
-  end
-  File.open(version_path, 'w') do |file|
-    file.puts lines
+  def download_jquery(filename, version)
+    suffix = "-#{version}"
+
+    puts "Downloading #{filename}.js"
+    puts `curl -o vendor/assets/javascripts/#{filename}.js http://code.jquery.com/jquery#{suffix}.js`
+    puts "Downloading #{filename}.min.js"
+    puts `curl -o vendor/assets/javascripts/#{filename}.min.js http://code.jquery.com/jquery#{suffix}.min.js`
+    puts "Downloading #{filename}.min.map"
+    puts `curl -o vendor/assets/javascripts/#{filename}.min.map http://code.jquery.com/jquery#{suffix}.min.map`
   end
 
+  download_jquery('jquery', Jquery::Rails::JQUERY_VERSION)
+  download_jquery('jquery2', Jquery::Rails::JQUERY_2_VERSION)
   puts "\e[32mDone!\e[0m"
 end

lib/jquery/rails/version.rb

@@ -2,6 +2,7 @@ module Jquery
   module Rails
     VERSION = "4.0.0.alpha"
     JQUERY_VERSION = "1.11.1"
+    JQUERY_2_VERSION = "2.1.1"
     JQUERY_UJS_VERSION = "1.0.1"
   end
 end