Upgrade Doorkeeper to 4.4.1 (#8197)

db/migrate/20171201000000_change_account_id_nonnullable_in_lists.rb

@@ -1,5 +1,3 @@
-require Rails.root.join('lib', 'mastodon', 'migration_helpers')
-
 class ChangeAccountIdNonnullableInLists < ActiveRecord::Migration[5.1]
   def change
     change_column_null :lists, :account_id, false

db/migrate/20180814171349_add_confidential_to_doorkeeper_application.rb

@@ -0,0 +1,23 @@
+require Rails.root.join('lib', 'mastodon', 'migration_helpers')
+
+class AddConfidentialToDoorkeeperApplication < ActiveRecord::Migration[5.2]
+  include Mastodon::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def up
+    safety_assured do
+      add_column_with_default(
+        :oauth_applications,
+        :confidential,
+        :boolean,
+        allow_null: false,
+        default: true # maintaining backwards compatibility: require secrets
+      )
+    end
+  end
+
+  def down
+    remove_column :oauth_applications, :confidential
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2018_08_13_113448) do
+ActiveRecord::Schema.define(version: 2018_08_14_171349) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -349,6 +349,7 @@ ActiveRecord::Schema.define(version: 2018_08_13_113448) do
     t.string "website"
     t.string "owner_type"
     t.bigint "owner_id"
+    t.boolean "confidential", default: true, null: false
     t.index ["owner_id", "owner_type"], name: "index_oauth_applications_on_owner_id_and_owner_type"
     t.index ["uid"], name: "index_oauth_applications_on_uid", unique: true
   end