Revert "Deprecate hash key path mapping"

This reverts commit 1b40bfc.

Reason:

So far the deprecation didn't show that will provide performance
improvements, and it's not clear that the new syntax is better than the
old one.

To avoid churn to the users, we should keep the old syntax for now.

actioncable/lib/action_cable/engine.rb

@@ -64,7 +64,7 @@ class Engine < Rails::Engine # :nodoc:
         config = app.config
         unless config.action_cable.mount_path.nil?
           app.routes.prepend do
-            mount ActionCable.server, at: config.action_cable.mount_path, internal: true, anchor: true
+            mount ActionCable.server => config.action_cable.mount_path, internal: true, anchor: true
           end
         end
       end

actionmailbox/config/routes.rb

@@ -2,16 +2,16 @@
 
 Rails.application.routes.draw do
   scope "/rails/action_mailbox", module: "action_mailbox/ingresses" do
-    post "/postmark/inbound_emails", to: "postmark/inbound_emails#create", as: :rails_postmark_inbound_emails
-    post "/relay/inbound_emails",    to: "relay/inbound_emails#create",    as: :rails_relay_inbound_emails
-    post "/sendgrid/inbound_emails", to: "sendgrid/inbound_emails#create", as: :rails_sendgrid_inbound_emails
+    post "/postmark/inbound_emails" => "postmark/inbound_emails#create", as: :rails_postmark_inbound_emails
+    post "/relay/inbound_emails"    => "relay/inbound_emails#create",    as: :rails_relay_inbound_emails
+    post "/sendgrid/inbound_emails" => "sendgrid/inbound_emails#create", as: :rails_sendgrid_inbound_emails
 
     # Mandrill checks for the existence of a URL with a HEAD request before it will create the webhook.
-    get "/mandrill/inbound_emails",  to: "mandrill/inbound_emails#health_check", as: :rails_mandrill_inbound_health_check
-    post "/mandrill/inbound_emails", to: "mandrill/inbound_emails#create",       as: :rails_mandrill_inbound_emails
+    get "/mandrill/inbound_emails"  => "mandrill/inbound_emails#health_check", as: :rails_mandrill_inbound_health_check
+    post "/mandrill/inbound_emails" => "mandrill/inbound_emails#create",       as: :rails_mandrill_inbound_emails
 
     # Mailgun requires that a webhook's URL end in 'mime' for it to receive the raw contents of emails.
-    post "/mailgun/inbound_emails/mime", to: "mailgun/inbound_emails#create", as: :rails_mailgun_inbound_emails
+    post "/mailgun/inbound_emails/mime" => "mailgun/inbound_emails#create", as: :rails_mailgun_inbound_emails
   end
 
   # TODO: Should these be mounted within the engine only?
@@ -20,7 +20,7 @@
     get  "inbound_emails/sources/new", to: "inbound_emails/sources#new", as: :new_rails_conductor_inbound_email_source
     post "inbound_emails/sources", to: "inbound_emails/sources#create", as: :rails_conductor_inbound_email_sources
 
-    post ":inbound_email_id/reroute",    to: "reroutes#create",   as: :rails_conductor_inbound_email_reroute
-    post ":inbound_email_id/incinerate", to: "incinerates#create", as: :rails_conductor_inbound_email_incinerate
+    post ":inbound_email_id/reroute" => "reroutes#create", as: :rails_conductor_inbound_email_reroute
+    post ":inbound_email_id/incinerate" => "incinerates#create", as: :rails_conductor_inbound_email_incinerate
   end
 end

actionmailer/lib/action_mailer/railtie.rb

@@ -84,9 +84,9 @@ class Railtie < Rails::Railtie # :nodoc:
 
       if options.show_previews
         app.routes.prepend do
-          get "/rails/mailers", to: "rails/mailers#index", internal: true
-          get "/rails/mailers/download/*path", to: "rails/mailers#download", internal: true
-          get "/rails/mailers/*path", to: "rails/mailers#preview", internal: true
+          get "/rails/mailers" => "rails/mailers#index", internal: true
+          get "/rails/mailers/download/*path" => "rails/mailers#download", internal: true
+          get "/rails/mailers/*path" => "rails/mailers#preview", internal: true
         end
       end
     end

actionmailer/test/url_test.rb

@@ -9,8 +9,8 @@ class WelcomeController < ActionController::Base
 AppRoutes = ActionDispatch::Routing::RouteSet.new
 
 AppRoutes.draw do
-  get "/welcome", to: "foo#bar", as: "welcome"
-  get "/dummy_model", to: "foo#baz", as: "dummy_model"
+  get "/welcome" => "foo#bar", as: "welcome"
+  get "/dummy_model" => "foo#baz", as: "dummy_model"
   get "/welcome/greeting", to: "welcome#greeting"
   get "/a/b(/:id)", to: "a#b"
 end

actionpack/CHANGELOG.md

@@ -14,22 +14,6 @@
 
     *Matthew Nguyen*
 
-*   Deprecate drawing routes with hash key paths to make routing faster.
-
-    ```ruby
-    # Before
-    get "/users" => "users#index"
-    post "/logout" => :sessions
-    mount MyApp => "/my_app"
-
-    # After
-    get "/users", to: "users#index"
-    post "/logout", to: "sessions#logout"
-    mount MyApp, at: "/my_app"
-    ```
-
-    *Gannon McGibbon*
-
 *   Deprecate drawing routes with multiple paths to make routing faster.
     You may use `with_options` or a loop to make drawing multiple paths easier.
 

actionpack/lib/action_dispatch/routing.rb

@@ -118,9 +118,9 @@ module ActionDispatch
   #
   #     # In config/routes.rb
   #     controller :blog do
-  #       get 'blog/show',   to: :list
-  #       get 'blog/delete', to: :delete
-  #       get 'blog/edit',   to: :edit
+  #       get 'blog/show'    => :list
+  #       get 'blog/delete'  => :delete
+  #       get 'blog/edit'    => :edit
   #     end
   #
   #     # provides named routes for show, delete, and edit

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -631,7 +631,6 @@ def mount(app, options = nil)
             options = app
             app, path = options.find { |k, _| k.respond_to?(:call) }
             options.delete(app) if app
-            hash_key_app = true
           end
 
           raise ArgumentError, "A rack application must be specified" unless app.respond_to?(:call)
@@ -642,18 +641,6 @@ def mount(app, options = nil)
               or
               mount(SomeRackApp => "some_route")
           MSG
-          ActionDispatch.deprecator.warn(<<-MSG.squish) if hash_key_app
-            Mounting an engine with a hash key name is deprecated and
-            will be removed in Rails 8.1. Please use the `at:` option instead.
-
-            Instead of:
-
-              mount(SomeRackApp => "some_route")
-
-            Please use:
-
-              mount SomeRackApp, at: "some_route"
-          MSG
 
           rails_app = rails_app? app
           options[:as] ||= app_name(app, rails_app)
@@ -1699,20 +1686,6 @@ def match(path, *rest, &block)
 
             raise ArgumentError, "Route path not specified" if path.nil?
 
-            ActionDispatch.deprecator.warn(<<-MSG.squish)
-              Drawing a route with a hash key name is deprecated and
-              will be removed in Rails 8.1. Please use the `to:` option with
-              "controller#action" syntax instead.
-
-              Instead of:
-
-                match "path" => "controller#action`
-
-              Please use:
-
-                match "path", to: "controller#action"
-            MSG
-
             case to
             when Symbol
               options[:action] = to

actionpack/lib/action_dispatch/routing/redirection.rb

@@ -148,7 +148,7 @@ def inspect
     module Redirection
       # Redirect any path to another path:
       #
-      #     get "/stories", to: redirect("/posts")
+      #     get "/stories" => redirect("/posts")
       #
       # This will redirect the user, while ignoring certain parts of the request,
       # including query string, etc. `/stories`, `/stories?foo=bar`, etc all redirect
@@ -157,7 +157,7 @@ module Redirection
       # The redirect will use a `301 Moved Permanently` status code by default. This
       # can be overridden with the `:status` option:
       #
-      #     get "/stories", to: redirect("/posts", status: 307)
+      #     get "/stories" => redirect("/posts", status: 307)
       #
       # You can also use interpolation in the supplied redirect argument:
       #
@@ -199,7 +199,7 @@ module Redirection
       # allowing you to reuse common redirect routes. The call method must accept two
       # arguments, params and request, and return a string.
       #
-      #     get 'accounts/:name', to: redirect(SubdomainRedirector.new('api'))
+      #     get 'accounts/:name' => redirect(SubdomainRedirector.new('api'))
       #
       def redirect(*args, &block)
         options = args.extract_options!

actionpack/test/controller/base_test.rb

@@ -215,7 +215,7 @@ def setup
   def test_url_for_query_params_included
     rs = ActionDispatch::Routing::RouteSet.new
     rs.draw do
-      get "home", to: "pages#home"
+      get "home" => "pages#home"
     end
 
     options = {
@@ -316,7 +316,7 @@ class OptionalDefaultUrlOptionsControllerTest < ActionController::TestCase
   def test_default_url_options_override_missing_positional_arguments
     with_routing do |set|
       set.draw do
-        get "/things/:id(.:format)", to: "things#show", as: :thing
+        get "/things/:id(.:format)" => "things#show", :as => :thing
       end
       assert_equal "/things/1.atom", thing_path("1")
       assert_equal "/things/default-id.atom", thing_path

actionpack/test/controller/integration_test.rb

@@ -649,7 +649,7 @@ def with_test_route_set
         end
 
         set.draw do
-          get "moved", to: redirect("/method")
+          get "moved" => redirect("/method")
 
           ActionDispatch.deprecator.silence do
             match ":action", to: controller, via: [:get, :post], as: :action
@@ -784,9 +784,9 @@ def self.call(*)
     get "foo", to: "application_integration_test/test#index", as: :foo
     get "bar", to: "application_integration_test/test#index", as: :bar
 
-    mount MountedApp, at: "/mounted", as: "mounted"
-    get "fooz", to: proc { |env| [ 200, { ActionDispatch::Constants::X_CASCADE => "pass" }, [ "omg" ] ] },
-      anchor: false
+    mount MountedApp => "/mounted", :as => "mounted"
+    get "fooz" => proc { |env| [ 200, { ActionDispatch::Constants::X_CASCADE => "pass" }, [ "omg" ] ] },
+      :anchor => false
     get "fooz", to: "application_integration_test/test#index"
   end
 
@@ -890,7 +890,7 @@ def headers
   test "doesn't call controller's headers method" do
     with_routing do |routes|
       routes.draw do
-        get "/ok", to: "controller_with_headers_method_integration_test/test#index"
+        get "/ok" => "controller_with_headers_method_integration_test/test#index"
       end
 
       get "/ok"
@@ -941,10 +941,10 @@ def app
     default_url_options host: "foo.com"
 
     scope module: "url_options_integration_test" do
-      get "/foo", to: "foo#index", as: :foos
-      get "/foo/:id", to: "foo#show", as: :foo
-      get "/foo/:id/edit", to: "foo#edit", as: :edit_foo
-      get "/bar", to: "bar#index", as: :bars
+      get "/foo" => "foo#index", :as => :foos
+      get "/foo/:id" => "foo#show", :as => :foo
+      get "/foo/:id/edit" => "foo#edit", :as => :edit_foo
+      get "/bar" => "bar#index", :as => :bars
     end
   end
 
@@ -1004,7 +1004,7 @@ def app
   end
 
   routes.draw do
-    get "/foo/status", to: "head_with_status_action_integration_test/foo#status"
+    get "/foo/status" => "head_with_status_action_integration_test/foo#status"
   end
 
   test "get /foo/status with head result does not cause stack overflow error" do
@@ -1067,7 +1067,7 @@ def test_request
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          get ":action", to: FooController
+          get ":action" => FooController
         end
       end
 
@@ -1115,7 +1115,7 @@ def test_standard_json_encoding_works
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          post ":action", to: FooController
+          post ":action" => FooController
         end
       end
 
@@ -1142,7 +1142,7 @@ def test_doesnt_mangle_request_path
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          post ":action", to: FooController
+          post ":action" => FooController
         end
       end
 
@@ -1203,7 +1203,7 @@ def test_parsed_body_without_as_option
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          get ":action", to: FooController
+          get ":action" => FooController
         end
       end
 
@@ -1217,7 +1217,7 @@ def test_get_parameters_with_as_option
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          get ":action", to: FooController
+          get ":action" => FooController
         end
       end
 
@@ -1231,7 +1231,7 @@ def test_get_request_with_json_uses_method_override_and_sends_a_post_request
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          get ":action", to: FooController
+          get ":action" => FooController
         end
       end
 
@@ -1247,7 +1247,7 @@ def test_get_request_with_json_excludes_null_query_string
     with_routing do |routes|
       routes.draw do
         ActionDispatch.deprecator.silence do
-          get ":action", to: FooController
+          get ":action" => FooController
         end
       end
 
@@ -1262,7 +1262,7 @@ def post_to_foos(as:)
       with_routing do |routes|
         routes.draw do
           ActionDispatch.deprecator.silence do
-            post ":action", to: FooController
+            post ":action" => FooController
           end
         end
 
@@ -1358,8 +1358,8 @@ def remove_dumps
   end
 
   routes.draw do
-    get "/", to: "page_dump_integration_test/foo#index"
-    get "/redirect", to: "page_dump_integration_test/foo#redirect"
+    get "/" => "page_dump_integration_test/foo#index"
+    get "/redirect" => "page_dump_integration_test/foo#redirect"
   end
 
   test "save_and_open_page saves a copy of the page and call to Launchy" do

actionpack/test/controller/live_stream_test.rb

@@ -653,7 +653,7 @@ def self.routes
   end
 
   routes.draw do
-    get "/test", to: "live_stream_router_test/test#index"
+    get "/test" => "live_stream_router_test/test#index"
   end
 
   def app