Upgrade to Rails4

Rakefile

@@ -1,38 +1 @@
-#!/usr/bin/env rake
-begin
-  require 'bundler/setup'
-rescue LoadError
-  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
-end
-begin
-  require 'rdoc/task'
-rescue LoadError
-  require 'rdoc/rdoc'
-  require 'rake/rdoctask'
-  RDoc::Task = Rake::RDocTask
-end
-
-RDoc::Task.new(:rdoc) do |rdoc|
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title    = 'BootstrapMultiselectRails'
-  rdoc.options << '--line-numbers'
-  rdoc.rdoc_files.include('README.rdoc')
-  rdoc.rdoc_files.include('lib/**/*.rb')
-end
-
-
-
-
-Bundler::GemHelper.install_tasks
-
-require 'rake/testtask'
-
-Rake::TestTask.new(:test) do |t|
-  t.libs << 'lib'
-  t.libs << 'test'
-  t.pattern = 'test/**/*_test.rb'
-  t.verbose = false
-end
-
-
-task :default => :test
+require "bundler/gem_tasks"

bootstrap-multiselect-rails.gemspec

@@ -1,23 +1,25 @@
-$:.push File.expand_path("../lib", __FILE__)
+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require "bootstrap-multiselect/rails/version"
 
-# Maintain your gem's version:
-require "bootstrap-multiselect-rails/version"
+Gem::Specification.new do |spec|
+  spec.name          = "bootstrap-multiselect-rails"
+  spec.version       = BootstrapMultiselect::Rails::VERSION
+  spec.authors       = ["Benjamin Canac"]
+  spec.email         = ["[email protected]"]
+  spec.description   = %q{Add Bootstrap Multiselect to your rails app. See https://github.com/davidstutz/bootstrap-multiselect for more information about bootstrap-multiselect.}
+  spec.summary       = %q{Add Bootstrap Multiselect to your rails app.}
+  spec.homepage      = "https://github.com/benjamincanac/bootstrap-multiselect-rails"
+  spec.license       = "MIT"
 
-# Describe your gem and declare its dependencies:
-Gem::Specification.new do |s|
-  s.name        = "bootstrap-multiselect-rails"
-  s.version     = BootstrapMultiselectRails::VERSION
-  s.authors     = ["Benjamin Canac"]
-  s.email       = ["[email protected]"]
-  s.homepage    = "https://github.com/benjamincanac/bootstrap-multiselect-rails"
-  s.summary     = "Add Bootstrap Multiselect to your rails app."
-  s.description = "Add Bootstrap Multiselect to your rails app. See https://github.com/davidstutz/bootstrap-multiselect for more information about bootstrap-multiselect."
-  s.license     = 'MIT'
+  spec.files         = Dir["{lib,vendor}/**/*"] + ["MIT-LICENSE", "Rakefile", "README.md"]
+  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.require_paths = ["lib"]
 
-  s.files = Dir["{app,config,db,lib,vendor}/**/*"] + ["MIT-LICENSE", "Rakefile", "README.rdoc", "README.md"]
-  s.test_files = Dir["test/**/*"]
+  spec.add_dependency "rails", ">= 4.0.0"
 
-  s.add_dependency "railties", ">= 3.2.0", "< 5.0"
-
-  s.add_development_dependency "sqlite3"
+  spec.add_development_dependency "bundler", "~> 1.3"
+  spec.add_development_dependency "rake"
 end