Gemfile in draper-1.0.0 vs Gemfile in draper-1.1.0

@@ -6,18 +6,32 @@
   gem "sqlite3"
 end
 
 platforms :jruby do
   gem "minitest", ">= 3.0"
-  gem "activerecord-jdbcsqlite3-adapter", "~> 1.2.2.1"
+  gem "activerecord-jdbcsqlite3-adapter"
 end
 
-case ENV["RAILS_VERSION"]
+version = ENV["RAILS_VERSION"] || "3.2"
+
+rails = case version
 when "master"
-  gem "rails", github: "rails/rails"
-when "3.2", nil
-  gem "rails", "~> 3.2.0"
-when "3.1"
-  gem "rails", "~> 3.1.0"
-when "3.0"
-  gem "rails", "~> 3.0.0"
+  {github: "rails/rails"}
+else
+  "~> #{version}.0"
 end
+
+mongoid = case version
+when "master"
+  {github: "mongoid/mongoid", branch: "4.0.0-dev"}
+when "3.1", "3.2"
+  "~> 3.0.0"
+end
+
+devise = case version
+when "3.1", "3.2"
+  "~> 2.2"
+end
+
+gem "rails", rails
+gem "mongoid", mongoid if mongoid
+gem "devise", devise if devise