Merge branch 'rails_update_to_4_2' into 'master'

Rails update to 4.2.4

https://gitlab.com/gitlab-org/gitlab-ce/issues/2694

See merge request !1902

config/application.rb

@@ -99,6 +99,10 @@ module Gitlab
     redis_config_hash[:expires_in] = 2.weeks # Cache should not grow forever
     config.cache_store = :redis_store, redis_config_hash
+    config.active_record.raise_in_transactional_callbacks = true
+
+    config.active_job.queue_adapter = :sidekiq
+
     # This is needed for gitlab-shell
     ENV['GITLAB_PATH_OUTSIDE_HOOK'] = ENV['PATH']
   end

config/environment.rb

@@ -2,4 +2,4 @@
 require File.expand_path('../application', __FILE__)
 # Initialize the rails application
-Gitlab::Application.initialize!
+Rails.application.initialize!

config/environments/development.rb

-Gitlab::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb
   # In the development environment your application's code is reloaded on

config/environments/production.rb

-Gitlab::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb
   # Code is not reloaded between requests
@@ -9,7 +9,7 @@ Gitlab::Application.configure do
   config.action_controller.perform_caching = true
   # Disable Rails's static asset server (Apache or nginx will already do this)
-  config.serve_static_assets = false
+  config.serve_static_files = false
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier

config/environments/test.rb

-Gitlab::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb
   # The test environment is used exclusively to run your application's
@@ -8,7 +8,7 @@ Gitlab::Application.configure do
   config.cache_classes = false
   # Configure static asset server for tests with Cache-Control for performance
-  config.serve_static_assets = true
+  config.serve_static_files = true
   config.static_cache_control = "public, max-age=3600"
   # Show full error reports and disable caching
@@ -32,4 +32,6 @@ Gitlab::Application.configure do
   config.eager_load = false
   config.cache_store = :null_store
+
+  config.active_job.queue_adapter = :test
 end

config/initializers/cookies_serializer.rb

 # Be sure to restart your server when you modify this file.
-Gitlab::Application.config.action_dispatch.cookies_serializer = :hybrid
+Rails.application.config.action_dispatch.cookies_serializer = :hybrid

config/initializers/default_url_options.rb

@@ -8,4 +8,4 @@ unless Gitlab.config.gitlab_on_standard_port?
   default_url_options[:port] = Gitlab.config.gitlab.port
 end
-Gitlab::Application.routes.default_url_options = default_url_options
+Rails.application.routes.default_url_options = default_url_options

config/initializers/rack_attack.rb.example

@@ -4,13 +4,13 @@
 # If you change this file in a Merge Request, please also create a Merge Request on https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests
 paths_to_be_protected = [
-  "#{Gitlab::Application.config.relative_url_root}/users/password",
-  "#{Gitlab::Application.config.relative_url_root}/users/sign_in",
-  "#{Gitlab::Application.config.relative_url_root}/api/#{API::API.version}/session.json",
-  "#{Gitlab::Application.config.relative_url_root}/api/#{API::API.version}/session",
-  "#{Gitlab::Application.config.relative_url_root}/users",
-  "#{Gitlab::Application.config.relative_url_root}/users/confirmation",
-  "#{Gitlab::Application.config.relative_url_root}/unsubscribes/"
+  "#{Rails.application.config.relative_url_root}/users/password",
+  "#{Rails.application.config.relative_url_root}/users/sign_in",
+  "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session.json",
+  "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session",
+  "#{Rails.application.config.relative_url_root}/users",
+  "#{Rails.application.config.relative_url_root}/users/confirmation",
+  "#{Rails.application.config.relative_url_root}/unsubscribes/"
 ]

config/initializers/rack_lineprof.rb

@@ -2,7 +2,7 @@
 # with darker backgrounds. This patch tweaks the colors a bit so the output is
 # actually readable.
 if Rails.env.development? and RUBY_ENGINE == 'ruby' and ENV['ENABLE_LINEPROF']
-  Gitlab::Application.config.middleware.use(Rack::Lineprof)
+  Rails.application.config.middleware.use(Rack::Lineprof)
   module Rack
     class Lineprof

config/initializers/secret_token.rb

@@ -22,15 +22,15 @@ def find_secure_token
   end
 end
-Gitlab::Application.config.secret_token = find_secure_token
-Gitlab::Application.config.secret_key_base = find_secure_token
+Rails.application.config.secret_token = find_secure_token
+Rails.application.config.secret_key_base = find_secure_token
 # CI
 def generate_new_secure_token
   SecureRandom.hex(64)
 end
-if Gitlab::Application.secrets.db_key_base.blank?
+if Rails.application.secrets.db_key_base.blank?
   warn "Missing `db_key_base` for '#{Rails.env}' environment. The secrets will be generated and stored in `config/secrets.yml`"
   all_secrets = YAML.load_file('config/secrets.yml') if File.exist?('config/secrets.yml')
@@ -46,5 +46,5 @@ if Gitlab::Application.secrets.db_key_base.blank?
     file.write(YAML.dump(all_secrets))
   end
-  Gitlab::Application.secrets.db_key_base = env_secrets['db_key_base']
+  Rails.application.secrets.db_key_base = env_secrets['db_key_base']
 end

config/initializers/session_store.rb

@@ -13,11 +13,11 @@ end
 unless Rails.env.test?
   Gitlab::Application.config.session_store(
     :redis_store, # Using the cookie_store would enable session replay attacks.
-    servers: Gitlab::Application.config.cache_store[1].merge(namespace: 'session:gitlab'), # re-use the Redis config from the Rails cache store
+    servers: Rails.application.config.cache_store[1].merge(namespace: 'session:gitlab'), # re-use the Redis config from the Rails cache store
     key: '_gitlab_session',
     secure: Gitlab.config.gitlab.https,
     httponly: true,
     expire_after: Settings.gitlab['session_expire_delay'] * 60,
-    path: (Gitlab::Application.config.relative_url_root.nil?) ? '/' : Gitlab::Application.config.relative_url_root
+    path: (Rails.application.config.relative_url_root.nil?) ? '/' : Gitlab::Application.config.relative_url_root
   )
 end

config/initializers/sherlock.rb

 if Gitlab::Sherlock.enabled?
-  Gitlab::Application.configure do |config|
+  Rails.application.configure do |config|
     config.middleware.use(Gitlab::Sherlock::Middleware)
   end
 end

config/initializers/smtp_settings.rb.sample

@@ -8,7 +8,7 @@
 # If you change this file in a Merge Request, please also create a Merge Request on https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests
 if Rails.env.production?
-  Gitlab::Application.config.action_mailer.delivery_method = :smtp
+  Rails.application.config.action_mailer.delivery_method = :smtp
   ActionMailer::Base.smtp_settings = {
     address: "email.server.com",

config/initializers/static_files.rb

-app = Gitlab::Application
-if app.config.serve_static_assets
+app = Rails.application
+if app.config.serve_static_files
   # The `ActionDispatch::Static` middleware intercepts requests for static files 
   # by checking if they exist in the `/public` directory. 
   # We're replacing it with our `Gitlab::Middleware::Static` that does the same,

config/routes.rb

 require 'sidekiq/web'
 require 'api/api'
-Gitlab::Application.routes.draw do
+Rails.application.routes.draw do
   if Gitlab::Sherlock.enabled?
     namespace :sherlock do
       resources :transactions, only: [:index, :show] do

lib/gitlab/github_import/client.rb

@@ -46,7 +46,7 @@ module Gitlab
       end
       def github_options
-        OmniAuth::Strategies::GitHub.default_options[:client_options].symbolize_keys
+        OmniAuth::Strategies::GitHub.default_options[:client_options].to_h.symbolize_keys
       end
     end
   end

lib/gitlab/gitlab_import/client.rb

@@ -75,7 +75,7 @@ module Gitlab
       end
       def gitlab_options
-        OmniAuth::Strategies::GitLab.default_options[:client_options].symbolize_keys
+        OmniAuth::Strategies::GitLab.default_options[:client_options].to_h.symbolize_keys
       end
     end
   end

lib/gitlab/markdown/label_reference_filter.rb

@@ -60,8 +60,7 @@ module Gitlab
       def url_for_label(project, label)
         h = Gitlab::Application.routes.url_helpers
         h.namespace_project_issues_path(project.namespace, project,
-                                        label_name: label.name,
-                                        only_path: context[:only_path])
+                                        label_name: label.name)
       end
       def render_colored_label(label)

lib/gitlab/seeder.rb

@@ -14,7 +14,7 @@ module Gitlab
     def self.mute_mailer
       code = <<-eos
-def Notify.delay
+def Notify.deliver_later
   self
 end
       eos