point at rack master

Gemfile

@@ -7,6 +7,7 @@ gem 'rake', '>= 10.3'
 
 # Active Job depends on the URI::GID::MissingModelIDError, which isn't released yet.
 gem 'globalid', github: 'rails/globalid'
+gem 'rack', github: 'rack/rack'
 
 # This needs to be with require false as it is
 # loaded after loading the test library to

Gemfile.lock

@@ -25,6 +25,13 @@ GIT
     mail (2.6.3.edge)
       mime-types (>= 1.16, < 3)
 
+GIT
+  remote: git://github.com/rack/rack.git
+  revision: 2cb9430fce32da2f2dbccf9de97ab691351c1408
+  specs:
+    rack (2.0.0.alpha)
+      json
+
 GIT
   remote: git://github.com/rails/arel.git
   revision: d5432b4616ff43fbb14540d351eed351e21bb20e
@@ -62,21 +69,21 @@ GIT
 
 GIT
   remote: git://github.com/rails/sprockets-rails.git
-  revision: ad4a43bd1bb19c86a8bf94a2ad5e477686161490
+  revision: e65e088575be4f6b994823b80a277affb0a57a5e
   branch: master
   specs:
-    sprockets-rails (3.0.0)
+    sprockets-rails (3.0.0.beta2)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
 
 GIT
   remote: git://github.com/rails/sprockets.git
-  revision: de057b4f13deb2bb5e8684cd06b9b687f5d09792
+  revision: 653de5268ba862ea23457291824180c67ad5dc99
   branch: master
   specs:
     sprockets (4.0.0)
-      rack (~> 1.0)
+      rack (~> 2.x)
 
 PATH
   remote: .
@@ -90,7 +97,7 @@ PATH
     actionpack (5.0.0.alpha)
       actionview (= 5.0.0.alpha)
       activesupport (= 5.0.0.alpha)
-      rack (~> 1.6)
+      rack (~> 2.x)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
@@ -139,7 +146,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    amq-protocol (1.9.2)
+    amq-protocol (2.0.0)
     backburner (1.0.0)
       beaneater (~> 1.0)
       dante (> 0.1.5)
@@ -149,11 +156,10 @@ GEM
     beaneater (1.0.0)
     benchmark-ips (2.3.0)
     builder (3.2.2)
-    bunny (1.7.0)
+    bunny (2.0.0)
       amq-protocol (>= 1.9.2)
-    byebug (5.0.0)
-      columnize (= 0.9.0)
-    celluloid (0.16.1)
+    byebug (6.0.2)
+    celluloid (0.16.0)
       timers (~> 4.0.0)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
@@ -162,7 +168,6 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.9.1.1)
-    columnize (0.9.0)
     concurrent-ruby (0.9.1)
     connection_pool (2.2.0)
     dalli (2.7.4)
@@ -173,7 +178,7 @@ GEM
       activerecord (>= 3.0, < 5.0)
       delayed_job (>= 3.0, < 4.1)
     erubis (2.7.0)
-    execjs (2.5.2)
+    execjs (2.6.0)
     hitimes (1.2.2)
     hitimes (1.2.2-x86-mingw32)
     i18n (0.7.0)
@@ -181,7 +186,7 @@ GEM
     kindlerb (0.1.1)
       mustache
       nokogiri
-    loofah (2.0.2)
+    loofah (2.0.3)
       nokogiri (>= 1.5.9)
     metaclass (0.0.4)
     method_source (0.8.2)
@@ -201,16 +206,13 @@ GEM
     psych (2.0.13)
     que (0.10.0)
     racc (1.4.12)
-    rack (1.6.4)
     rack-cache (1.2)
       rack (>= 0.4)
-    rack-protection (1.5.3)
-      rack
     rack-test (0.6.3)
       rack (>= 1.0)
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
+    rails-dom-testing (1.0.7)
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
@@ -248,23 +250,20 @@ GEM
       redis (~> 3.2, >= 3.2.1)
       redis-namespace (~> 1.5, >= 1.5.2)
     sigdump (0.2.3)
-    sinatra (1.4.6)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
-    sneakers (1.0.4)
-      bunny (~> 1.7.0)
+    sinatra (1.0)
+      rack (>= 1.0)
+    sneakers (1.1.0)
+      bunny (>= 1.7.0, <= 2.0.0)
       serverengine (~> 1.5.5)
       thor
       thread (~> 0.1.7)
     sqlite3 (1.3.10)
     stackprof (0.2.7)
-    sucker_punch (1.5.0)
-      celluloid (~> 0.16.0)
+    sucker_punch (1.5.1)
+      celluloid (= 0.16.0)
     thor (0.19.1)
     thread (0.1.7)
     thread_safe (0.3.5)
-    tilt (2.0.1)
     timers (4.0.1)
       hitimes
     turbolinks (2.5.3)
@@ -315,6 +314,7 @@ DEPENDENCIES
   que
   queue_classic!
   racc (>= 1.4.6)
+  rack!
   rack-cache (~> 1.2)
   rails!
   rake (>= 10.3)
@@ -337,4 +337,4 @@ DEPENDENCIES
   w3c_validators
 
 BUNDLED WITH
-   1.10.5
+   1.10.6

actionpack/actionpack.gemspec

@@ -21,7 +21,7 @@
 
   s.add_dependency 'activesupport', version
 
-  s.add_dependency 'rack',      '~> 1.6'
+  s.add_dependency 'rack',      '~> 2.x'
   s.add_dependency 'rack-test', '~> 0.6.3'
   s.add_dependency 'rails-html-sanitizer', '~> 1.0', '>= 1.0.2'
   s.add_dependency 'rails-dom-testing', '~> 1.0', '>= 1.0.5'

actionpack/lib/action_dispatch/request/session.rb

@@ -4,8 +4,8 @@ module ActionDispatch
   class Request < Rack::Request
     # Session is responsible for lazily loading the session from store.
     class Session # :nodoc:
-      ENV_SESSION_KEY         = Rack::Session::Abstract::ENV_SESSION_KEY # :nodoc:
-      ENV_SESSION_OPTIONS_KEY = Rack::Session::Abstract::ENV_SESSION_OPTIONS_KEY # :nodoc:
+      ENV_SESSION_KEY         = Rack::RACK_SESSION # :nodoc:
+      ENV_SESSION_OPTIONS_KEY = Rack::RACK_SESSION_OPTIONS # :nodoc:
 
       # Singleton object used to determine if an optional param wasn't specified
       Unspecified = Object.new

actionpack/test/dispatch/request/session_test.rb

@@ -7,7 +7,7 @@ class SessionTest < ActiveSupport::TestCase
       def test_create_adds_itself_to_env
         env = {}
         s = Session.create(store, env, {})
-        assert_equal s, env[Rack::Session::Abstract::ENV_SESSION_KEY]
+        assert_equal s, env[Rack::RACK_SESSION]
       end
 
       def test_to_hash

railties/lib/rails/generators/app_base.rb

@@ -212,6 +212,7 @@ def rails_gemfile_entry
             GemfileEntry.github('sprockets', 'rails/sprockets'),
             GemfileEntry.github('sass-rails', 'rails/sass-rails'),
             GemfileEntry.github('arel', 'rails/arel')
+            GemfileEntry.github('rack', 'rack/rack')
           ]
         elsif options.edge?
           [
@@ -220,6 +221,7 @@ def rails_gemfile_entry
             GemfileEntry.github('sprockets', 'rails/sprockets'),
             GemfileEntry.github('sass-rails', 'rails/sass-rails'),
             GemfileEntry.github('arel', 'rails/arel')
+            GemfileEntry.github('rack', 'rack/rack')
           ]
         else
           [GemfileEntry.version('rails',