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-rw-r--r--railties/lib/rails/application/configuration.rb46
-rw-r--r--railties/lib/rails/application/dummy_erb_compiler.rb16
-rw-r--r--railties/lib/rails/application/finisher.rb11
3 files changed, 65 insertions, 8 deletions
diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index c2403c57a7..83a7b6cf01 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -13,14 +13,14 @@ module Rails
:cache_classes, :cache_store, :consider_all_requests_local, :console,
:eager_load, :exceptions_app, :file_watcher, :filter_parameters,
:force_ssl, :helpers_paths, :hosts, :logger, :log_formatter, :log_tags,
- :railties_order, :relative_url_root, :secret_key_base, :secret_token,
+ :railties_order, :relative_url_root, :secret_key_base,
:ssl_options, :public_file_server,
:session_options, :time_zone, :reload_classes_only_on_change,
:beginning_of_week, :filter_redirect, :x, :enable_dependency_loading,
:read_encrypted_secrets, :log_level, :content_security_policy_report_only,
:content_security_policy_nonce_generator, :require_master_key, :credentials
- attr_reader :encoding, :api_only, :loaded_config_version
+ attr_reader :encoding, :api_only, :loaded_config_version, :autoloader
def initialize(*)
super
@@ -30,7 +30,7 @@ module Rails
@filter_parameters = []
@filter_redirect = []
@helpers_paths = []
- @hosts = Array(([IPAddr.new("0.0.0.0/0"), IPAddr.new("::/0"), "localhost"] if Rails.env.development?))
+ @hosts = Array(([IPAddr.new("0.0.0.0/0"), IPAddr.new("::/0"), ".localhost"] if Rails.env.development?))
@public_file_server = ActiveSupport::OrderedOptions.new
@public_file_server.enabled = true
@public_file_server.index_name = "index"
@@ -50,7 +50,6 @@ module Rails
@autoflush_log = true
@log_formatter = ActiveSupport::Logger::SimpleFormatter.new
@eager_load = nil
- @secret_token = nil
@secret_key_base = nil
@api_only = false
@debug_exception_response_format = nil
@@ -65,6 +64,7 @@ module Rails
@credentials = ActiveSupport::OrderedOptions.new
@credentials.content_path = default_credentials_content_path
@credentials.key_path = default_credentials_key_path
+ @autoloader = :classic
end
def load_defaults(target_version)
@@ -97,10 +97,6 @@ module Rails
if respond_to?(:active_record)
active_record.cache_versioning = true
- # Remove the temporary load hook from SQLite3Adapter when this is removed
- ActiveSupport.on_load(:active_record_sqlite3adapter) do
- ActiveRecord::ConnectionAdapters::SQLite3Adapter.represent_boolean_as_integer = true
- end
end
if respond_to?(:action_dispatch)
@@ -122,6 +118,8 @@ module Rails
when "6.0"
load_defaults "5.2"
+ self.autoloader = :zeitwerk if RUBY_ENGINE == "ruby"
+
if respond_to?(:action_view)
action_view.default_enforce_utf8 = false
end
@@ -186,6 +184,26 @@ module Rails
end
end
+ # Load the database YAML without evaluating ERB. This allows us to
+ # create the rake tasks for multiple databases without filling in the
+ # configuration values or loading the environment. Do not use this
+ # method.
+ #
+ # This uses a DummyERB custom compiler so YAML can ignore the ERB
+ # tags and load the database.yml for the rake tasks.
+ def load_database_yaml # :nodoc:
+ if path = paths["config/database"].existent.first
+ require "rails/application/dummy_erb_compiler"
+
+ yaml = Pathname.new(path)
+ erb = DummyERB.new(yaml.read)
+
+ YAML.load(erb.result)
+ else
+ {}
+ end
+ end
+
# Loads and returns the entire raw configuration of database from
# values stored in <tt>config/database.yml</tt>.
def database_configuration
@@ -272,6 +290,18 @@ module Rails
end
end
+ def autoloader=(autoloader)
+ case autoloader
+ when :classic
+ @autoloader = autoloader
+ when :zeitwerk
+ require "zeitwerk"
+ @autoloader = autoloader
+ else
+ raise ArgumentError, "config.autoloader may be :classic or :zeitwerk, got #{autoloader.inspect} instead"
+ end
+ end
+
class Custom #:nodoc:
def initialize
@configurations = Hash.new
diff --git a/railties/lib/rails/application/dummy_erb_compiler.rb b/railties/lib/rails/application/dummy_erb_compiler.rb
new file mode 100644
index 0000000000..4e92526969
--- /dev/null
+++ b/railties/lib/rails/application/dummy_erb_compiler.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+# These classes are used to strip out the ERB configuration
+# values so we can evaluate the database.yml without evaluating
+# the ERB values.
+class DummyERB < ERB # :nodoc:
+ def make_compiler(trim_mode)
+ DummyCompiler.new trim_mode
+ end
+end
+
+class DummyCompiler < ERB::Compiler # :nodoc:
+ def compile_content(stag, out)
+ out.push "_erbout << 'dummy_compiler'"
+ end
+end
diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 04aaf6dd9a..8d2c13d2a8 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -21,6 +21,13 @@ module Rails
end
end
+ initializer :let_zeitwerk_take_over do
+ if config.autoloader == :zeitwerk
+ require "active_support/dependencies/zeitwerk_integration"
+ ActiveSupport::Dependencies::ZeitwerkIntegration.take_over
+ end
+ end
+
initializer :add_builtin_route do |app|
if Rails.env.development?
app.routes.prepend do
@@ -66,6 +73,10 @@ module Rails
initializer :eager_load! do
if config.eager_load
ActiveSupport.run_load_hooks(:before_eager_load, self)
+ # Checks defined?(Zeitwerk) instead of zeitwerk_enabled? because we
+ # want to eager load any dependency managed by Zeitwerk regardless of
+ # the autoloading mode of the application.
+ Zeitwerk::Loader.eager_load_all if defined?(Zeitwerk)
config.eager_load_namespaces.each(&:eager_load!)
end
end