Merge pull request #31534 from claudiob/kaspth-approach

Don't include Active Storage migrations in new apps

actionpack/lib/action_dispatch/middleware/exception_wrapper.rb

@@ -25,6 +25,7 @@ module ActionDispatch
       "ActionView::MissingTemplate"         => "missing_template",
       "ActionController::RoutingError"      => "routing_error",
       "AbstractController::ActionNotFound"  => "unknown_action",
+      "ActiveRecord::StatementInvalid"      => "invalid_statement",
       "ActionView::Template::Error"         => "template_error"
     )
 

actionpack/lib/action_dispatch/middleware/templates/rescues/invalid_statement.html.erb

@@ -0,0 +1,21 @@
+<header>
+  <h1>
+    <%= @exception.class.to_s %>
+    <% if @request.parameters['controller'] %>
+      in <%= @request.parameters['controller'].camelize %>Controller<% if @request.parameters['action'] %>#<%= @request.parameters['action'] %><% end %>
+    <% end %>
+  </h1>
+</header>
+
+<div id="container">
+  <h2>
+    <%= h @exception.message %>
+    <% if @exception.message.match? %r{#{ActiveStorage::Blob.table_name}|#{ActiveStorage::Attachment.table_name}} %>
+      <br />To resolve this issue run: bin/rails active_storage:install
+    <% end %>
+  </h2>
+
+  <%= render template: "rescues/_source" %>
+  <%= render template: "rescues/_trace" %>
+  <%= render template: "rescues/_request_and_response" %>
+</div>

actionpack/lib/action_dispatch/middleware/templates/rescues/invalid_statement.text.erb

@@ -0,0 +1,13 @@
+<%= @exception.class.to_s %><%
+  if @request.parameters['controller']
+%> in <%= @request.parameters['controller'].camelize %>Controller<% if @request.parameters['action'] %>#<%= @request.parameters['action'] %><% end %>
+<% end %>
+
+<%= @exception.message %>
+<% if @exception.message.match? %r{#{ActiveStorage::Blob.table_name}|#{ActiveStorage::Attachment.table_name}} %>
+To resolve this issue run: bin/rails active_storage:install
+<% end %>
+
+<%= render template: "rescues/_source" %>
+<%= render template: "rescues/_trace" %>
+<%= render template: "rescues/_request_and_response" %>

guides/source/active_storage_overview.md

@@ -41,9 +41,6 @@ application to Rails 5.2, run `rails active_storage:install` to generate a
 migration that creates these tables. Use `rails db:migrate` to run the
 migration.
 
-You need not run `rails active_storage:install` in a new Rails 5.2 application:
-the migration is generated automatically.
-
 Declare Active Storage services in `config/storage.yml`. For each service your
 application uses, provide a name and the requisite configuration. The example
 below declares three services named `local`, `test`, and `amazon`:

railties/lib/rails/generators/app_base.rb

@@ -463,16 +463,6 @@ module Rails
         end
       end
 
-      def run_active_storage
-        unless skip_active_storage?
-          if bundle_install?
-            rails_command "active_storage:install", capture: options[:quiet]
-          else
-            log("Active Storage installation was skipped. Please run `bin/rails active_storage:install` to install Active Storage files.")
-          end
-        end
-      end
-
       def empty_directory_with_keep_file(destination, config = {})
         empty_directory(destination, config)
         keep_file(destination)

railties/lib/rails/generators/rails/app/app_generator.rb

@@ -463,7 +463,6 @@ module Rails
 
       public_task :apply_rails_template, :run_bundle
       public_task :run_webpack, :generate_spring_binstubs
-      public_task :run_active_storage
 
       def run_after_bundle_callbacks
         @after_bundle_callbacks.each(&:call)

railties/test/generators/app_generator_test.rb

@@ -900,7 +900,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
       template
     end
 
-    sequence = ["git init", "install", "exec spring binstub --all", "active_storage:install", "echo ran after_bundle"]
+    sequence = ["git init", "install", "exec spring binstub --all", "echo ran after_bundle"]
     @sequence_step ||= 0
     ensure_bundler_first = -> command, options = nil do
       assert_equal sequence[@sequence_step], command, "commands should be called in sequence #{sequence}"
@@ -917,7 +917,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
       end
     end
 
-    assert_equal 5, @sequence_step
+    assert_equal 4, @sequence_step
   end
 
   def test_gitignore