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-rw-r--r--actionpack/lib/abstract_controller.rb1
-rw-r--r--actionpack/lib/abstract_controller/asset_paths.rb1
-rw-r--r--actionpack/lib/abstract_controller/base.rb1
-rw-r--r--actionpack/lib/abstract_controller/caching.rb1
-rw-r--r--actionpack/lib/abstract_controller/caching/fragments.rb1
-rw-r--r--actionpack/lib/abstract_controller/callbacks.rb1
-rw-r--r--actionpack/lib/abstract_controller/collector.rb1
-rw-r--r--actionpack/lib/abstract_controller/error.rb1
-rw-r--r--actionpack/lib/abstract_controller/helpers.rb1
-rw-r--r--actionpack/lib/abstract_controller/logger.rb1
-rw-r--r--actionpack/lib/abstract_controller/railties/routes_helpers.rb1
-rw-r--r--actionpack/lib/abstract_controller/rendering.rb1
-rw-r--r--actionpack/lib/abstract_controller/translation.rb1
-rw-r--r--actionpack/lib/abstract_controller/url_for.rb1
-rw-r--r--actionpack/lib/action_controller.rb1
-rw-r--r--actionpack/lib/action_controller/api.rb1
-rw-r--r--actionpack/lib/action_controller/api/api_rendering.rb1
-rw-r--r--actionpack/lib/action_controller/base.rb1
-rw-r--r--actionpack/lib/action_controller/caching.rb1
-rw-r--r--actionpack/lib/action_controller/form_builder.rb1
-rw-r--r--actionpack/lib/action_controller/log_subscriber.rb1
-rw-r--r--actionpack/lib/action_controller/metal.rb1
-rw-r--r--actionpack/lib/action_controller/metal/basic_implicit_render.rb1
-rw-r--r--actionpack/lib/action_controller/metal/conditional_get.rb1
-rw-r--r--actionpack/lib/action_controller/metal/cookies.rb1
-rw-r--r--actionpack/lib/action_controller/metal/data_streaming.rb1
-rw-r--r--actionpack/lib/action_controller/metal/etag_with_flash.rb1
-rw-r--r--actionpack/lib/action_controller/metal/etag_with_template_digest.rb1
-rw-r--r--actionpack/lib/action_controller/metal/exceptions.rb1
-rw-r--r--actionpack/lib/action_controller/metal/flash.rb1
-rw-r--r--actionpack/lib/action_controller/metal/force_ssl.rb1
-rw-r--r--actionpack/lib/action_controller/metal/head.rb1
-rw-r--r--actionpack/lib/action_controller/metal/helpers.rb1
-rw-r--r--actionpack/lib/action_controller/metal/http_authentication.rb1
-rw-r--r--actionpack/lib/action_controller/metal/implicit_render.rb1
-rw-r--r--actionpack/lib/action_controller/metal/instrumentation.rb1
-rw-r--r--actionpack/lib/action_controller/metal/live.rb1
-rw-r--r--actionpack/lib/action_controller/metal/mime_responds.rb1
-rw-r--r--actionpack/lib/action_controller/metal/parameter_encoding.rb1
-rw-r--r--actionpack/lib/action_controller/metal/params_wrapper.rb1
-rw-r--r--actionpack/lib/action_controller/metal/redirecting.rb1
-rw-r--r--actionpack/lib/action_controller/metal/renderers.rb1
-rw-r--r--actionpack/lib/action_controller/metal/rendering.rb1
-rw-r--r--actionpack/lib/action_controller/metal/request_forgery_protection.rb1
-rw-r--r--actionpack/lib/action_controller/metal/rescue.rb1
-rw-r--r--actionpack/lib/action_controller/metal/streaming.rb1
-rw-r--r--actionpack/lib/action_controller/metal/strong_parameters.rb1
-rw-r--r--actionpack/lib/action_controller/metal/testing.rb1
-rw-r--r--actionpack/lib/action_controller/metal/url_for.rb1
-rw-r--r--actionpack/lib/action_controller/railtie.rb1
-rw-r--r--actionpack/lib/action_controller/railties/helpers.rb1
-rw-r--r--actionpack/lib/action_controller/renderer.rb1
-rw-r--r--actionpack/lib/action_controller/template_assertions.rb1
-rw-r--r--actionpack/lib/action_controller/test_case.rb1
-rw-r--r--actionpack/lib/action_dispatch.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/cache.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/filter_parameters.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/filter_redirect.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/headers.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/mime_negotiation.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/mime_type.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/mime_types.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/parameter_filter.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/parameters.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/rack_cache.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/request.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/response.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/upload.rb1
-rw-r--r--actionpack/lib/action_dispatch/http/url.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/formatter.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/gtg/builder.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/gtg/simulator.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/gtg/transition_table.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/nfa/builder.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/nfa/dot.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/nfa/simulator.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/nfa/transition_table.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/nodes/node.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/parser_extras.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/path/pattern.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/route.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/router.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/router/utils.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/routes.rb1
-rw-r--r--actionpack/lib/action_dispatch/journey/visitors.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/callbacks.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/cookies.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/debug_exceptions.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/debug_locks.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/exception_wrapper.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/executor.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/flash.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/public_exceptions.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/reloader.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/remote_ip.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/request_id.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/session/abstract_store.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/session/cache_store.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/session/cookie_store.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/show_exceptions.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/ssl.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/stack.rb1
-rw-r--r--actionpack/lib/action_dispatch/middleware/static.rb1
-rw-r--r--actionpack/lib/action_dispatch/railtie.rb1
-rw-r--r--actionpack/lib/action_dispatch/request/session.rb1
-rw-r--r--actionpack/lib/action_dispatch/request/utils.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/endpoint.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/inspector.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/mapper.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/polymorphic_routes.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/redirection.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/route_set.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/routes_proxy.rb1
-rw-r--r--actionpack/lib/action_dispatch/routing/url_for.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_test_case.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_testing/driver.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_testing/server.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_testing/test_helpers/setup_and_teardown.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/assertion_response.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/assertions.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/assertions/response.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/assertions/routing.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/integration.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/request_encoder.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/test_process.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/test_request.rb1
-rw-r--r--actionpack/lib/action_dispatch/testing/test_response.rb1
-rw-r--r--actionpack/lib/action_pack.rb1
-rw-r--r--actionpack/lib/action_pack/gem_version.rb1
-rw-r--r--actionpack/lib/action_pack/version.rb1
134 files changed, 134 insertions, 0 deletions
diff --git a/actionpack/lib/abstract_controller.rb b/actionpack/lib/abstract_controller.rb
index 8bd965b198..5d56d71aa1 100644
--- a/actionpack/lib/abstract_controller.rb
+++ b/actionpack/lib/abstract_controller.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_pack"
require "active_support/rails"
require "active_support/i18n"
diff --git a/actionpack/lib/abstract_controller/asset_paths.rb b/actionpack/lib/abstract_controller/asset_paths.rb
index e6170228d9..96031b3aa0 100644
--- a/actionpack/lib/abstract_controller/asset_paths.rb
+++ b/actionpack/lib/abstract_controller/asset_paths.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
module AssetPaths #:nodoc:
extend ActiveSupport::Concern
diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb
index dc79820a82..0046baacd0 100644
--- a/actionpack/lib/abstract_controller/base.rb
+++ b/actionpack/lib/abstract_controller/base.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "abstract_controller/error"
require "active_support/configurable"
require "active_support/descendants_tracker"
diff --git a/actionpack/lib/abstract_controller/caching.rb b/actionpack/lib/abstract_controller/caching.rb
index 30e3d4426c..272ec79970 100644
--- a/actionpack/lib/abstract_controller/caching.rb
+++ b/actionpack/lib/abstract_controller/caching.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
module Caching
extend ActiveSupport::Concern
diff --git a/actionpack/lib/abstract_controller/caching/fragments.rb b/actionpack/lib/abstract_controller/caching/fragments.rb
index 14e4a82523..1fe653cd12 100644
--- a/actionpack/lib/abstract_controller/caching/fragments.rb
+++ b/actionpack/lib/abstract_controller/caching/fragments.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
module Caching
# Fragment caching is used for caching various blocks within
diff --git a/actionpack/lib/abstract_controller/callbacks.rb b/actionpack/lib/abstract_controller/callbacks.rb
index e4400e8704..c0ba1bff96 100644
--- a/actionpack/lib/abstract_controller/callbacks.rb
+++ b/actionpack/lib/abstract_controller/callbacks.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
# = Abstract Controller Callbacks
#
diff --git a/actionpack/lib/abstract_controller/collector.rb b/actionpack/lib/abstract_controller/collector.rb
index 40ae5aa1ca..2910a69ca4 100644
--- a/actionpack/lib/abstract_controller/collector.rb
+++ b/actionpack/lib/abstract_controller/collector.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/mime_type"
module AbstractController
diff --git a/actionpack/lib/abstract_controller/error.rb b/actionpack/lib/abstract_controller/error.rb
index 7fafce4dd4..450a6fc9df 100644
--- a/actionpack/lib/abstract_controller/error.rb
+++ b/actionpack/lib/abstract_controller/error.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
class Error < StandardError #:nodoc:
end
diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index 2e50637c39..6cd16b0286 100644
--- a/actionpack/lib/abstract_controller/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/dependencies"
module AbstractController
diff --git a/actionpack/lib/abstract_controller/logger.rb b/actionpack/lib/abstract_controller/logger.rb
index c31ea6c5b5..61df54fff2 100644
--- a/actionpack/lib/abstract_controller/logger.rb
+++ b/actionpack/lib/abstract_controller/logger.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/benchmarkable"
module AbstractController
diff --git a/actionpack/lib/abstract_controller/railties/routes_helpers.rb b/actionpack/lib/abstract_controller/railties/routes_helpers.rb
index 14b574e322..0a6a5315b3 100644
--- a/actionpack/lib/abstract_controller/railties/routes_helpers.rb
+++ b/actionpack/lib/abstract_controller/railties/routes_helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
module Railties
module RoutesHelpers
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index 54af938a93..b822d36e72 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "abstract_controller/error"
require "action_view"
require "action_view/view_paths"
diff --git a/actionpack/lib/abstract_controller/translation.rb b/actionpack/lib/abstract_controller/translation.rb
index e4ac95df50..2cfc8d1484 100644
--- a/actionpack/lib/abstract_controller/translation.rb
+++ b/actionpack/lib/abstract_controller/translation.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
module Translation
# Delegates to <tt>I18n.translate</tt>. Also aliased as <tt>t</tt>.
diff --git a/actionpack/lib/abstract_controller/url_for.rb b/actionpack/lib/abstract_controller/url_for.rb
index 72d07b0927..ddde3eacc2 100644
--- a/actionpack/lib/abstract_controller/url_for.rb
+++ b/actionpack/lib/abstract_controller/url_for.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module AbstractController
# Includes +url_for+ into the host class (e.g. an abstract controller or mailer). The class
# has to provide a +RouteSet+ by implementing the <tt>_routes</tt> methods. Otherwise, an
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb
index 50f20aa789..806797bc50 100644
--- a/actionpack/lib/action_controller.rb
+++ b/actionpack/lib/action_controller.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/rails"
require "abstract_controller"
require "action_dispatch"
diff --git a/actionpack/lib/action_controller/api.rb b/actionpack/lib/action_controller/api.rb
index 94698df730..3060afd1f8 100644
--- a/actionpack/lib/action_controller/api.rb
+++ b/actionpack/lib/action_controller/api.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_view"
require "action_controller"
require "action_controller/log_subscriber"
diff --git a/actionpack/lib/action_controller/api/api_rendering.rb b/actionpack/lib/action_controller/api/api_rendering.rb
index 3a08d28c39..5ff11cf855 100644
--- a/actionpack/lib/action_controller/api/api_rendering.rb
+++ b/actionpack/lib/action_controller/api/api_rendering.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module ApiRendering
extend ActiveSupport::Concern
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 8c2b111f89..ff9e6702dc 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_view"
require "action_controller/log_subscriber"
require "action_controller/metal/params_wrapper"
diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb
index 954265ad97..86c1194ce0 100644
--- a/actionpack/lib/action_controller/caching.rb
+++ b/actionpack/lib/action_controller/caching.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# \Caching is a cheap way of speeding up slow applications by keeping the result of
# calculations, renderings, and database calls around for subsequent requests.
diff --git a/actionpack/lib/action_controller/form_builder.rb b/actionpack/lib/action_controller/form_builder.rb
index f2656ca894..f636c81829 100644
--- a/actionpack/lib/action_controller/form_builder.rb
+++ b/actionpack/lib/action_controller/form_builder.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# Override the default form builder for all views rendered by this
# controller and any of its descendants. Accepts a subclass of
diff --git a/actionpack/lib/action_controller/log_subscriber.rb b/actionpack/lib/action_controller/log_subscriber.rb
index d00fcbcd13..a2abc2356f 100644
--- a/actionpack/lib/action_controller/log_subscriber.rb
+++ b/actionpack/lib/action_controller/log_subscriber.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
class LogSubscriber < ActiveSupport::LogSubscriber
INTERNAL_PARAMS = %w(controller action format _method only_path)
diff --git a/actionpack/lib/action_controller/metal.rb b/actionpack/lib/action_controller/metal.rb
index 96c708f45a..5d9983eb49 100644
--- a/actionpack/lib/action_controller/metal.rb
+++ b/actionpack/lib/action_controller/metal.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/array/extract_options"
require "action_dispatch/middleware/stack"
require "action_dispatch/http/request"
diff --git a/actionpack/lib/action_controller/metal/basic_implicit_render.rb b/actionpack/lib/action_controller/metal/basic_implicit_render.rb
index cef65a362c..b993a6afdf 100644
--- a/actionpack/lib/action_controller/metal/basic_implicit_render.rb
+++ b/actionpack/lib/action_controller/metal/basic_implicit_render.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module BasicImplicitRender # :nodoc:
def send_action(method, *args)
diff --git a/actionpack/lib/action_controller/metal/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb
index 0525252c7c..cbf87d2ec9 100644
--- a/actionpack/lib/action_controller/metal/conditional_get.rb
+++ b/actionpack/lib/action_controller/metal/conditional_get.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
module ActionController
diff --git a/actionpack/lib/action_controller/metal/cookies.rb b/actionpack/lib/action_controller/metal/cookies.rb
index 44925641a1..6616d9665e 100644
--- a/actionpack/lib/action_controller/metal/cookies.rb
+++ b/actionpack/lib/action_controller/metal/cookies.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController #:nodoc:
module Cookies
extend ActiveSupport::Concern
diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb
index 731e03e2fc..333efcf6aa 100644
--- a/actionpack/lib/action_controller/metal/data_streaming.rb
+++ b/actionpack/lib/action_controller/metal/data_streaming.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_controller/metal/exceptions"
module ActionController #:nodoc:
diff --git a/actionpack/lib/action_controller/metal/etag_with_flash.rb b/actionpack/lib/action_controller/metal/etag_with_flash.rb
index 7bd338bd7c..f5f9c6267a 100644
--- a/actionpack/lib/action_controller/metal/etag_with_flash.rb
+++ b/actionpack/lib/action_controller/metal/etag_with_flash.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# When you're using the flash, it's generally used as a conditional on the view.
# This means the content of the view depends on the flash. Which in turn means
diff --git a/actionpack/lib/action_controller/metal/etag_with_template_digest.rb b/actionpack/lib/action_controller/metal/etag_with_template_digest.rb
index 69c3979a0e..4c563d5072 100644
--- a/actionpack/lib/action_controller/metal/etag_with_template_digest.rb
+++ b/actionpack/lib/action_controller/metal/etag_with_template_digest.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# When our views change, they should bubble up into HTTP cache freshness
# and bust browser caches. So the template digest for the current action
diff --git a/actionpack/lib/action_controller/metal/exceptions.rb b/actionpack/lib/action_controller/metal/exceptions.rb
index 175dd9eb9e..9bff006e2b 100644
--- a/actionpack/lib/action_controller/metal/exceptions.rb
+++ b/actionpack/lib/action_controller/metal/exceptions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
class ActionControllerError < StandardError #:nodoc:
end
diff --git a/actionpack/lib/action_controller/metal/flash.rb b/actionpack/lib/action_controller/metal/flash.rb
index 24d1097ebe..e0708a9421 100644
--- a/actionpack/lib/action_controller/metal/flash.rb
+++ b/actionpack/lib/action_controller/metal/flash.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController #:nodoc:
module Flash
extend ActiveSupport::Concern
diff --git a/actionpack/lib/action_controller/metal/force_ssl.rb b/actionpack/lib/action_controller/metal/force_ssl.rb
index 73e67573ca..99daa20d1c 100644
--- a/actionpack/lib/action_controller/metal/force_ssl.rb
+++ b/actionpack/lib/action_controller/metal/force_ssl.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/except"
require "active_support/core_ext/hash/slice"
diff --git a/actionpack/lib/action_controller/metal/head.rb b/actionpack/lib/action_controller/metal/head.rb
index 0c50894bce..33a1e4d70f 100644
--- a/actionpack/lib/action_controller/metal/head.rb
+++ b/actionpack/lib/action_controller/metal/head.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module Head
# Returns a response that has no content (merely headers). The options
diff --git a/actionpack/lib/action_controller/metal/helpers.rb b/actionpack/lib/action_controller/metal/helpers.rb
index 913a4b9a04..ad3aaf4232 100644
--- a/actionpack/lib/action_controller/metal/helpers.rb
+++ b/actionpack/lib/action_controller/metal/helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# The \Rails framework provides a large number of helpers for working with assets, dates, forms,
# numbers and model objects, to name a few. These helpers are available to all templates
diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index d8bc895265..1d38e3504a 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "base64"
require "active_support/security_utils"
diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb
index eeb27f99f4..3cfbf01805 100644
--- a/actionpack/lib/action_controller/metal/implicit_render.rb
+++ b/actionpack/lib/action_controller/metal/implicit_render.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# Handles implicit rendering for a controller action that does not
# explicitly respond with +render+, +respond_to+, +redirect+, or +head+.
diff --git a/actionpack/lib/action_controller/metal/instrumentation.rb b/actionpack/lib/action_controller/metal/instrumentation.rb
index 2485d27cec..d9be52bc71 100644
--- a/actionpack/lib/action_controller/metal/instrumentation.rb
+++ b/actionpack/lib/action_controller/metal/instrumentation.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "benchmark"
require "abstract_controller/logger"
diff --git a/actionpack/lib/action_controller/metal/live.rb b/actionpack/lib/action_controller/metal/live.rb
index a607ee2309..4bd59ea482 100644
--- a/actionpack/lib/action_controller/metal/live.rb
+++ b/actionpack/lib/action_controller/metal/live.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/response"
require "delegate"
require "active_support/json"
diff --git a/actionpack/lib/action_controller/metal/mime_responds.rb b/actionpack/lib/action_controller/metal/mime_responds.rb
index 96bd548268..ca4bb100d3 100644
--- a/actionpack/lib/action_controller/metal/mime_responds.rb
+++ b/actionpack/lib/action_controller/metal/mime_responds.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "abstract_controller/collector"
module ActionController #:nodoc:
diff --git a/actionpack/lib/action_controller/metal/parameter_encoding.rb b/actionpack/lib/action_controller/metal/parameter_encoding.rb
index ecc691619e..b16c2f636a 100644
--- a/actionpack/lib/action_controller/metal/parameter_encoding.rb
+++ b/actionpack/lib/action_controller/metal/parameter_encoding.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# Specify binary encoding for parameters for a given action.
module ParameterEncoding
diff --git a/actionpack/lib/action_controller/metal/params_wrapper.rb b/actionpack/lib/action_controller/metal/params_wrapper.rb
index 44151c9f71..86919aebf5 100644
--- a/actionpack/lib/action_controller/metal/params_wrapper.rb
+++ b/actionpack/lib/action_controller/metal/params_wrapper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/slice"
require "active_support/core_ext/hash/except"
require "active_support/core_ext/module/anonymous"
diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb
index fdfe82f96b..c021699b0d 100644
--- a/actionpack/lib/action_controller/metal/redirecting.rb
+++ b/actionpack/lib/action_controller/metal/redirecting.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module Redirecting
extend ActiveSupport::Concern
diff --git a/actionpack/lib/action_controller/metal/renderers.rb b/actionpack/lib/action_controller/metal/renderers.rb
index 23c21b0501..79314fa505 100644
--- a/actionpack/lib/action_controller/metal/renderers.rb
+++ b/actionpack/lib/action_controller/metal/renderers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "set"
module ActionController
diff --git a/actionpack/lib/action_controller/metal/rendering.rb b/actionpack/lib/action_controller/metal/rendering.rb
index 67f207afc2..ff75c558ee 100644
--- a/actionpack/lib/action_controller/metal/rendering.rb
+++ b/actionpack/lib/action_controller/metal/rendering.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/string/filters"
module ActionController
diff --git a/actionpack/lib/action_controller/metal/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb
index 5051c02a62..0616840a56 100644
--- a/actionpack/lib/action_controller/metal/request_forgery_protection.rb
+++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/session/abstract/id"
require "action_controller/metal/exceptions"
require "active_support/security_utils"
diff --git a/actionpack/lib/action_controller/metal/rescue.rb b/actionpack/lib/action_controller/metal/rescue.rb
index 25757938f5..35e3cae985 100644
--- a/actionpack/lib/action_controller/metal/rescue.rb
+++ b/actionpack/lib/action_controller/metal/rescue.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController #:nodoc:
# This module is responsible for providing `rescue_from` helpers
# to controllers and configuring when detailed exceptions must be
diff --git a/actionpack/lib/action_controller/metal/streaming.rb b/actionpack/lib/action_controller/metal/streaming.rb
index 58cf60ad2a..407ae95086 100644
--- a/actionpack/lib/action_controller/metal/streaming.rb
+++ b/actionpack/lib/action_controller/metal/streaming.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/chunked"
module ActionController #:nodoc:
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb
index cd6a0c0b98..e0b521367e 100644
--- a/actionpack/lib/action_controller/metal/strong_parameters.rb
+++ b/actionpack/lib/action_controller/metal/strong_parameters.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/indifferent_access"
require "active_support/core_ext/hash/transform_values"
require "active_support/core_ext/array/wrap"
diff --git a/actionpack/lib/action_controller/metal/testing.rb b/actionpack/lib/action_controller/metal/testing.rb
index 9bb416178a..4fd0fb40de 100644
--- a/actionpack/lib/action_controller/metal/testing.rb
+++ b/actionpack/lib/action_controller/metal/testing.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module Testing
extend ActiveSupport::Concern
diff --git a/actionpack/lib/action_controller/metal/url_for.rb b/actionpack/lib/action_controller/metal/url_for.rb
index 21ed5b4ec8..068ad00130 100644
--- a/actionpack/lib/action_controller/metal/url_for.rb
+++ b/actionpack/lib/action_controller/metal/url_for.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
# Includes +url_for+ into the host class. The class has to provide a +RouteSet+ by implementing
# the <tt>_routes</tt> method. Otherwise, an exception will be raised.
diff --git a/actionpack/lib/action_controller/railtie.rb b/actionpack/lib/action_controller/railtie.rb
index fadfc8de60..0eec7b383c 100644
--- a/actionpack/lib/action_controller/railtie.rb
+++ b/actionpack/lib/action_controller/railtie.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rails"
require "action_controller"
require "action_dispatch/railtie"
diff --git a/actionpack/lib/action_controller/railties/helpers.rb b/actionpack/lib/action_controller/railties/helpers.rb
index 3985c6b273..4417ebdedb 100644
--- a/actionpack/lib/action_controller/railties/helpers.rb
+++ b/actionpack/lib/action_controller/railties/helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module Railties
module Helpers
diff --git a/actionpack/lib/action_controller/renderer.rb b/actionpack/lib/action_controller/renderer.rb
index cbb719d8b2..c35a778d46 100644
--- a/actionpack/lib/action_controller/renderer.rb
+++ b/actionpack/lib/action_controller/renderer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
module ActionController
diff --git a/actionpack/lib/action_controller/template_assertions.rb b/actionpack/lib/action_controller/template_assertions.rb
index 0179f4afcd..086c42fea7 100644
--- a/actionpack/lib/action_controller/template_assertions.rb
+++ b/actionpack/lib/action_controller/template_assertions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionController
module TemplateAssertions
def assert_template(options = {}, message = nil)
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index bc42d50205..9df9381be8 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/session/abstract/id"
require "active_support/core_ext/hash/conversions"
require "active_support/core_ext/object/to_query"
diff --git a/actionpack/lib/action_dispatch.rb b/actionpack/lib/action_dispatch.rb
index 303790e96d..1f3f6d615a 100644
--- a/actionpack/lib/action_dispatch.rb
+++ b/actionpack/lib/action_dispatch.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
#--
# Copyright (c) 2004-2017 David Heinemeier Hansson
#
diff --git a/actionpack/lib/action_dispatch/http/cache.rb b/actionpack/lib/action_dispatch/http/cache.rb
index 985e0fb972..2cbb3facb7 100644
--- a/actionpack/lib/action_dispatch/http/cache.rb
+++ b/actionpack/lib/action_dispatch/http/cache.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Http
module Cache
diff --git a/actionpack/lib/action_dispatch/http/filter_parameters.rb b/actionpack/lib/action_dispatch/http/filter_parameters.rb
index 077ab2561f..872c2cb9d3 100644
--- a/actionpack/lib/action_dispatch/http/filter_parameters.rb
+++ b/actionpack/lib/action_dispatch/http/filter_parameters.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/parameter_filter"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/http/filter_redirect.rb b/actionpack/lib/action_dispatch/http/filter_redirect.rb
index fc3c44582a..91f1ebeb79 100644
--- a/actionpack/lib/action_dispatch/http/filter_redirect.rb
+++ b/actionpack/lib/action_dispatch/http/filter_redirect.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Http
module FilterRedirect
diff --git a/actionpack/lib/action_dispatch/http/headers.rb b/actionpack/lib/action_dispatch/http/headers.rb
index 3c03976f03..59323d26d6 100644
--- a/actionpack/lib/action_dispatch/http/headers.rb
+++ b/actionpack/lib/action_dispatch/http/headers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Http
# Provides access to the request's HTTP headers from the environment.
diff --git a/actionpack/lib/action_dispatch/http/mime_negotiation.rb b/actionpack/lib/action_dispatch/http/mime_negotiation.rb
index 5994a01c78..9e97b14170 100644
--- a/actionpack/lib/action_dispatch/http/mime_negotiation.rb
+++ b/actionpack/lib/action_dispatch/http/mime_negotiation.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/module/attribute_accessors"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb
index 74a3afab44..7dc3a175fb 100644
--- a/actionpack/lib/action_dispatch/http/mime_type.rb
+++ b/actionpack/lib/action_dispatch/http/mime_type.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
# -*- frozen-string-literal: true -*-
require "singleton"
diff --git a/actionpack/lib/action_dispatch/http/mime_types.rb b/actionpack/lib/action_dispatch/http/mime_types.rb
index 8b04174f1f..9ddb560d98 100644
--- a/actionpack/lib/action_dispatch/http/mime_types.rb
+++ b/actionpack/lib/action_dispatch/http/mime_types.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
# Build list of Mime types for HTTP responses
# http://www.iana.org/assignments/media-types/
diff --git a/actionpack/lib/action_dispatch/http/parameter_filter.rb b/actionpack/lib/action_dispatch/http/parameter_filter.rb
index 1d2b4b902b..8a53407323 100644
--- a/actionpack/lib/action_dispatch/http/parameter_filter.rb
+++ b/actionpack/lib/action_dispatch/http/parameter_filter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/object/duplicable"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/http/parameters.rb b/actionpack/lib/action_dispatch/http/parameters.rb
index 7c585dbe68..9723d78dfc 100644
--- a/actionpack/lib/action_dispatch/http/parameters.rb
+++ b/actionpack/lib/action_dispatch/http/parameters.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Http
module Parameters
diff --git a/actionpack/lib/action_dispatch/http/rack_cache.rb b/actionpack/lib/action_dispatch/http/rack_cache.rb
index 003ae4029d..dff27a568f 100644
--- a/actionpack/lib/action_dispatch/http/rack_cache.rb
+++ b/actionpack/lib/action_dispatch/http/rack_cache.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/cache"
require "rack/cache/context"
require "active_support/cache"
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index 6d42404a98..bd3d7fb5b8 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "stringio"
require "active_support/inflector"
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index 3c91677d55..213e7098c1 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/module/attribute_accessors"
require "action_dispatch/http/filter_redirect"
require "action_dispatch/http/cache"
diff --git a/actionpack/lib/action_dispatch/http/upload.rb b/actionpack/lib/action_dispatch/http/upload.rb
index 225272d66e..03def91070 100644
--- a/actionpack/lib/action_dispatch/http/upload.rb
+++ b/actionpack/lib/action_dispatch/http/upload.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Http
# Models uploaded files.
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index f902fe36e0..513bf9eedc 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/module/attribute_accessors"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey.rb b/actionpack/lib/action_dispatch/journey.rb
index d1cfc51f3e..d93d9473ed 100644
--- a/actionpack/lib/action_dispatch/journey.rb
+++ b/actionpack/lib/action_dispatch/journey.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/router"
require "action_dispatch/journey/gtg/builder"
require "action_dispatch/journey/gtg/simulator"
diff --git a/actionpack/lib/action_dispatch/journey/formatter.rb b/actionpack/lib/action_dispatch/journey/formatter.rb
index 326f4e52f9..a6b16c83a3 100644
--- a/actionpack/lib/action_dispatch/journey/formatter.rb
+++ b/actionpack/lib/action_dispatch/journey/formatter.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_controller/metal/exceptions"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/gtg/builder.rb b/actionpack/lib/action_dispatch/journey/gtg/builder.rb
index 0f8bed89bf..ed8b994408 100644
--- a/actionpack/lib/action_dispatch/journey/gtg/builder.rb
+++ b/actionpack/lib/action_dispatch/journey/gtg/builder.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/gtg/transition_table"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/gtg/simulator.rb b/actionpack/lib/action_dispatch/journey/gtg/simulator.rb
index 62f052ced6..240536dd7c 100644
--- a/actionpack/lib/action_dispatch/journey/gtg/simulator.rb
+++ b/actionpack/lib/action_dispatch/journey/gtg/simulator.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "strscan"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/gtg/transition_table.rb b/actionpack/lib/action_dispatch/journey/gtg/transition_table.rb
index 45aff287b1..b99a228c32 100644
--- a/actionpack/lib/action_dispatch/journey/gtg/transition_table.rb
+++ b/actionpack/lib/action_dispatch/journey/gtg/transition_table.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/nfa/dot"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/nfa/builder.rb b/actionpack/lib/action_dispatch/journey/nfa/builder.rb
index 532f765094..0796d98cfd 100644
--- a/actionpack/lib/action_dispatch/journey/nfa/builder.rb
+++ b/actionpack/lib/action_dispatch/journey/nfa/builder.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/nfa/transition_table"
require "action_dispatch/journey/gtg/transition_table"
diff --git a/actionpack/lib/action_dispatch/journey/nfa/dot.rb b/actionpack/lib/action_dispatch/journey/nfa/dot.rb
index 8119e5d9da..8b1d40149b 100644
--- a/actionpack/lib/action_dispatch/journey/nfa/dot.rb
+++ b/actionpack/lib/action_dispatch/journey/nfa/dot.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Journey # :nodoc:
module NFA # :nodoc:
diff --git a/actionpack/lib/action_dispatch/journey/nfa/simulator.rb b/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
index 324d0eed15..284b734b39 100644
--- a/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
+++ b/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "strscan"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/nfa/transition_table.rb b/actionpack/lib/action_dispatch/journey/nfa/transition_table.rb
index 543a670da0..9cdb4a2496 100644
--- a/actionpack/lib/action_dispatch/journey/nfa/transition_table.rb
+++ b/actionpack/lib/action_dispatch/journey/nfa/transition_table.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/nfa/dot"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/nodes/node.rb b/actionpack/lib/action_dispatch/journey/nodes/node.rb
index 0d874a84c9..6f2cd48d93 100644
--- a/actionpack/lib/action_dispatch/journey/nodes/node.rb
+++ b/actionpack/lib/action_dispatch/journey/nodes/node.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/visitors"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/journey/parser_extras.rb b/actionpack/lib/action_dispatch/journey/parser_extras.rb
index 4c7e82d93c..8f1a12f286 100644
--- a/actionpack/lib/action_dispatch/journey/parser_extras.rb
+++ b/actionpack/lib/action_dispatch/journey/parser_extras.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/scanner"
require "action_dispatch/journey/nodes/node"
diff --git a/actionpack/lib/action_dispatch/journey/path/pattern.rb b/actionpack/lib/action_dispatch/journey/path/pattern.rb
index cf0108ec32..d63eecb600 100644
--- a/actionpack/lib/action_dispatch/journey/path/pattern.rb
+++ b/actionpack/lib/action_dispatch/journey/path/pattern.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Journey # :nodoc:
module Path # :nodoc:
diff --git a/actionpack/lib/action_dispatch/journey/route.rb b/actionpack/lib/action_dispatch/journey/route.rb
index 0acbac1d9d..38aa45f942 100644
--- a/actionpack/lib/action_dispatch/journey/route.rb
+++ b/actionpack/lib/action_dispatch/journey/route.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# :stopdoc:
module Journey
diff --git a/actionpack/lib/action_dispatch/journey/router.rb b/actionpack/lib/action_dispatch/journey/router.rb
index d55e1399e4..f55b187cc8 100644
--- a/actionpack/lib/action_dispatch/journey/router.rb
+++ b/actionpack/lib/action_dispatch/journey/router.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey/router/utils"
require "action_dispatch/journey/routes"
require "action_dispatch/journey/formatter"
diff --git a/actionpack/lib/action_dispatch/journey/router/utils.rb b/actionpack/lib/action_dispatch/journey/router/utils.rb
index 6d400f3364..5d9563ee1a 100644
--- a/actionpack/lib/action_dispatch/journey/router/utils.rb
+++ b/actionpack/lib/action_dispatch/journey/router/utils.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Journey # :nodoc:
class Router # :nodoc:
diff --git a/actionpack/lib/action_dispatch/journey/routes.rb b/actionpack/lib/action_dispatch/journey/routes.rb
index f7b009109e..bee2140c5f 100644
--- a/actionpack/lib/action_dispatch/journey/routes.rb
+++ b/actionpack/lib/action_dispatch/journey/routes.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Journey # :nodoc:
# The Routing table. Contains all routes for a system. Routes can be
diff --git a/actionpack/lib/action_dispatch/journey/visitors.rb b/actionpack/lib/action_dispatch/journey/visitors.rb
index 335797f4b9..6670079241 100644
--- a/actionpack/lib/action_dispatch/journey/visitors.rb
+++ b/actionpack/lib/action_dispatch/journey/visitors.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# :stopdoc:
module Journey
diff --git a/actionpack/lib/action_dispatch/middleware/callbacks.rb b/actionpack/lib/action_dispatch/middleware/callbacks.rb
index ff129cf96a..cc3b344d72 100644
--- a/actionpack/lib/action_dispatch/middleware/callbacks.rb
+++ b/actionpack/lib/action_dispatch/middleware/callbacks.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# Provides callbacks to be executed before and after dispatching the request.
class Callbacks
diff --git a/actionpack/lib/action_dispatch/middleware/cookies.rb b/actionpack/lib/action_dispatch/middleware/cookies.rb
index 533925ebe1..6a9d54a32a 100644
--- a/actionpack/lib/action_dispatch/middleware/cookies.rb
+++ b/actionpack/lib/action_dispatch/middleware/cookies.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
require "active_support/key_generator"
require "active_support/message_verifier"
diff --git a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
index 336a775880..fe01c55116 100644
--- a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/request"
require "action_dispatch/middleware/exception_wrapper"
require "action_dispatch/routing/inspector"
diff --git a/actionpack/lib/action_dispatch/middleware/debug_locks.rb b/actionpack/lib/action_dispatch/middleware/debug_locks.rb
index 74b952528e..600b0a51b1 100644
--- a/actionpack/lib/action_dispatch/middleware/debug_locks.rb
+++ b/actionpack/lib/action_dispatch/middleware/debug_locks.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# This middleware can be used to diagnose deadlocks in the autoload interlock.
#
diff --git a/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
index 08b4541d24..47ed09ecb5 100644
--- a/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
+++ b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/module/attribute_accessors"
require "rack/utils"
diff --git a/actionpack/lib/action_dispatch/middleware/executor.rb b/actionpack/lib/action_dispatch/middleware/executor.rb
index 3d43f97a2b..7423d59119 100644
--- a/actionpack/lib/action_dispatch/middleware/executor.rb
+++ b/actionpack/lib/action_dispatch/middleware/executor.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/body_proxy"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/middleware/flash.rb b/actionpack/lib/action_dispatch/middleware/flash.rb
index 6b29ce63ba..3fe80cf03d 100644
--- a/actionpack/lib/action_dispatch/middleware/flash.rb
+++ b/actionpack/lib/action_dispatch/middleware/flash.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/middleware/public_exceptions.rb b/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
index 46f0f675b9..e37416d957 100644
--- a/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# When called, this middleware renders an error page. By default if an HTML
# response is expected it will render static error pages from the `/public`
diff --git a/actionpack/lib/action_dispatch/middleware/reloader.rb b/actionpack/lib/action_dispatch/middleware/reloader.rb
index 6d64b1424b..989d6c3cd7 100644
--- a/actionpack/lib/action_dispatch/middleware/reloader.rb
+++ b/actionpack/lib/action_dispatch/middleware/reloader.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# ActionDispatch::Reloader wraps the request with callbacks provided by ActiveSupport::Reloader
# callbacks, intended to assist with code reloading during development.
diff --git a/actionpack/lib/action_dispatch/middleware/remote_ip.rb b/actionpack/lib/action_dispatch/middleware/remote_ip.rb
index 53d5a4918c..b5decc98b5 100644
--- a/actionpack/lib/action_dispatch/middleware/remote_ip.rb
+++ b/actionpack/lib/action_dispatch/middleware/remote_ip.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "ipaddr"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/middleware/request_id.rb b/actionpack/lib/action_dispatch/middleware/request_id.rb
index 1925ffd9dd..6ac846e10b 100644
--- a/actionpack/lib/action_dispatch/middleware/request_id.rb
+++ b/actionpack/lib/action_dispatch/middleware/request_id.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "securerandom"
require "active_support/core_ext/string/access"
diff --git a/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb b/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
index 21ccf5a097..6af03da443 100644
--- a/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/utils"
require "rack/request"
require "rack/session/abstract/id"
diff --git a/actionpack/lib/action_dispatch/middleware/session/cache_store.rb b/actionpack/lib/action_dispatch/middleware/session/cache_store.rb
index 71274bc13a..456febcfba 100644
--- a/actionpack/lib/action_dispatch/middleware/session/cache_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/cache_store.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/middleware/session/abstract_store"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
index 57d325a9d8..f71997a6d7 100644
--- a/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/cookie_store.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
require "action_dispatch/middleware/session/abstract_store"
require "rack/session/cookie"
diff --git a/actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb b/actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb
index ee2b1f26ad..977b4c7031 100644
--- a/actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/middleware/session/abstract_store"
begin
require "rack/session/dalli"
diff --git a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
index 5a99714ec2..5289b3cb87 100644
--- a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/request"
require "action_dispatch/middleware/exception_wrapper"
diff --git a/actionpack/lib/action_dispatch/middleware/ssl.rb b/actionpack/lib/action_dispatch/middleware/ssl.rb
index 557721c301..36faf6a7c6 100644
--- a/actionpack/lib/action_dispatch/middleware/ssl.rb
+++ b/actionpack/lib/action_dispatch/middleware/ssl.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# This middleware is added to the stack when `config.force_ssl = true`, and is passed
# the options set in `config.ssl_options`. It does three jobs to enforce secure HTTP
diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb
index 6949b31e75..66d07f57d5 100644
--- a/actionpack/lib/action_dispatch/middleware/stack.rb
+++ b/actionpack/lib/action_dispatch/middleware/stack.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/inflector/methods"
require "active_support/dependencies"
diff --git a/actionpack/lib/action_dispatch/middleware/static.rb b/actionpack/lib/action_dispatch/middleware/static.rb
index fb99f13a1c..338e0d45a1 100644
--- a/actionpack/lib/action_dispatch/middleware/static.rb
+++ b/actionpack/lib/action_dispatch/middleware/static.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/utils"
require "active_support/core_ext/uri"
diff --git a/actionpack/lib/action_dispatch/railtie.rb b/actionpack/lib/action_dispatch/railtie.rb
index 7662e164b8..c865713b31 100644
--- a/actionpack/lib/action_dispatch/railtie.rb
+++ b/actionpack/lib/action_dispatch/railtie.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/request/session.rb b/actionpack/lib/action_dispatch/request/session.rb
index 3547a8604f..4f9e2e62d3 100644
--- a/actionpack/lib/action_dispatch/request/session.rb
+++ b/actionpack/lib/action_dispatch/request/session.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/session/abstract/id"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/request/utils.rb b/actionpack/lib/action_dispatch/request/utils.rb
index 4f79c4c21e..89c4d49e1a 100644
--- a/actionpack/lib/action_dispatch/request/utils.rb
+++ b/actionpack/lib/action_dispatch/request/utils.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
class Request
class Utils # :nodoc:
diff --git a/actionpack/lib/action_dispatch/routing.rb b/actionpack/lib/action_dispatch/routing.rb
index 87dd1eba38..da0afa5e13 100644
--- a/actionpack/lib/action_dispatch/routing.rb
+++ b/actionpack/lib/action_dispatch/routing.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/string/filters"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/routing/endpoint.rb b/actionpack/lib/action_dispatch/routing/endpoint.rb
index 88aa13c3e8..e2dbf8a2cd 100644
--- a/actionpack/lib/action_dispatch/routing/endpoint.rb
+++ b/actionpack/lib/action_dispatch/routing/endpoint.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Routing
class Endpoint # :nodoc:
diff --git a/actionpack/lib/action_dispatch/routing/inspector.rb b/actionpack/lib/action_dispatch/routing/inspector.rb
index 9aa4b92df2..ba533d63d6 100644
--- a/actionpack/lib/action_dispatch/routing/inspector.rb
+++ b/actionpack/lib/action_dispatch/routing/inspector.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "delegate"
require "active_support/core_ext/string/strip"
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 88deee5f5e..1376469c2b 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/slice"
require "active_support/core_ext/enumerable"
require "active_support/core_ext/array/extract_options"
diff --git a/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb b/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
index e89ea8b21d..6c26e2198e 100644
--- a/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
+++ b/actionpack/lib/action_dispatch/routing/polymorphic_routes.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Routing
# Polymorphic URL helpers are methods for smart resolution to a named route call when
diff --git a/actionpack/lib/action_dispatch/routing/redirection.rb b/actionpack/lib/action_dispatch/routing/redirection.rb
index 3bcb341758..a87dfa4037 100644
--- a/actionpack/lib/action_dispatch/routing/redirection.rb
+++ b/actionpack/lib/action_dispatch/routing/redirection.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/http/request"
require "active_support/core_ext/uri"
require "active_support/core_ext/array/extract_options"
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 68bd6d806b..ee692e1243 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/journey"
require "active_support/core_ext/object/to_query"
require "active_support/core_ext/hash/slice"
diff --git a/actionpack/lib/action_dispatch/routing/routes_proxy.rb b/actionpack/lib/action_dispatch/routing/routes_proxy.rb
index c1423f770f..996d40e911 100644
--- a/actionpack/lib/action_dispatch/routing/routes_proxy.rb
+++ b/actionpack/lib/action_dispatch/routing/routes_proxy.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/array/extract_options"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/routing/url_for.rb b/actionpack/lib/action_dispatch/routing/url_for.rb
index a9bdefa775..deccd22f23 100644
--- a/actionpack/lib/action_dispatch/routing/url_for.rb
+++ b/actionpack/lib/action_dispatch/routing/url_for.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Routing
# In <tt>config/routes.rb</tt> you define URL-to-controller mappings, but the reverse
diff --git a/actionpack/lib/action_dispatch/system_test_case.rb b/actionpack/lib/action_dispatch/system_test_case.rb
index c39a135ce0..11f2ff4384 100644
--- a/actionpack/lib/action_dispatch/system_test_case.rb
+++ b/actionpack/lib/action_dispatch/system_test_case.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "capybara/dsl"
require "capybara/minitest"
require "action_controller"
diff --git a/actionpack/lib/action_dispatch/system_testing/driver.rb b/actionpack/lib/action_dispatch/system_testing/driver.rb
index 1a027f2e23..2b4addde08 100644
--- a/actionpack/lib/action_dispatch/system_testing/driver.rb
+++ b/actionpack/lib/action_dispatch/system_testing/driver.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module SystemTesting
class Driver # :nodoc:
diff --git a/actionpack/lib/action_dispatch/system_testing/server.rb b/actionpack/lib/action_dispatch/system_testing/server.rb
index 89ca6944d9..b98a1deee9 100644
--- a/actionpack/lib/action_dispatch/system_testing/server.rb
+++ b/actionpack/lib/action_dispatch/system_testing/server.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rack/handler/puma"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb b/actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb
index 859d68e475..40150c1fe5 100644
--- a/actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb
+++ b/actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module SystemTesting
module TestHelpers
diff --git a/actionpack/lib/action_dispatch/system_testing/test_helpers/setup_and_teardown.rb b/actionpack/lib/action_dispatch/system_testing/test_helpers/setup_and_teardown.rb
index f03f0d4299..7c45e165bc 100644
--- a/actionpack/lib/action_dispatch/system_testing/test_helpers/setup_and_teardown.rb
+++ b/actionpack/lib/action_dispatch/system_testing/test_helpers/setup_and_teardown.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module SystemTesting
module TestHelpers
diff --git a/actionpack/lib/action_dispatch/testing/assertion_response.rb b/actionpack/lib/action_dispatch/testing/assertion_response.rb
index c37726957e..869b98b480 100644
--- a/actionpack/lib/action_dispatch/testing/assertion_response.rb
+++ b/actionpack/lib/action_dispatch/testing/assertion_response.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
# This is a class that abstracts away an asserted response. It purposely
# does not inherit from Response because it doesn't need it. That means it
diff --git a/actionpack/lib/action_dispatch/testing/assertions.rb b/actionpack/lib/action_dispatch/testing/assertions.rb
index 4ea18d671d..c6eaae0a95 100644
--- a/actionpack/lib/action_dispatch/testing/assertions.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rails-dom-testing"
module ActionDispatch
diff --git a/actionpack/lib/action_dispatch/testing/assertions/response.rb b/actionpack/lib/action_dispatch/testing/assertions/response.rb
index 1baf979ac9..8c17ec5a75 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/response.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/response.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
module Assertions
# A small suite of assertions that test responses from \Rails applications.
diff --git a/actionpack/lib/action_dispatch/testing/assertions/routing.rb b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
index 8645df4370..cde83dc537 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/routing.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "uri"
require "active_support/core_ext/hash/indifferent_access"
require "active_support/core_ext/string/access"
diff --git a/actionpack/lib/action_dispatch/testing/integration.rb b/actionpack/lib/action_dispatch/testing/integration.rb
index f16647fac8..d38a364801 100644
--- a/actionpack/lib/action_dispatch/testing/integration.rb
+++ b/actionpack/lib/action_dispatch/testing/integration.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "stringio"
require "uri"
require "active_support/core_ext/kernel/singleton_class"
diff --git a/actionpack/lib/action_dispatch/testing/request_encoder.rb b/actionpack/lib/action_dispatch/testing/request_encoder.rb
index 8c27e9ecb7..a614a9d5bc 100644
--- a/actionpack/lib/action_dispatch/testing/request_encoder.rb
+++ b/actionpack/lib/action_dispatch/testing/request_encoder.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionDispatch
class RequestEncoder # :nodoc:
class IdentityEncoder
diff --git a/actionpack/lib/action_dispatch/testing/test_process.rb b/actionpack/lib/action_dispatch/testing/test_process.rb
index 0282eb15c3..ea0e6dcb1a 100644
--- a/actionpack/lib/action_dispatch/testing/test_process.rb
+++ b/actionpack/lib/action_dispatch/testing/test_process.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/middleware/cookies"
require "action_dispatch/middleware/flash"
diff --git a/actionpack/lib/action_dispatch/testing/test_request.rb b/actionpack/lib/action_dispatch/testing/test_request.rb
index ec949c869b..0b2e8a6232 100644
--- a/actionpack/lib/action_dispatch/testing/test_request.rb
+++ b/actionpack/lib/action_dispatch/testing/test_request.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "active_support/core_ext/hash/indifferent_access"
require "rack/utils"
diff --git a/actionpack/lib/action_dispatch/testing/test_response.rb b/actionpack/lib/action_dispatch/testing/test_response.rb
index 5c89f9c75e..c63e4b5b09 100644
--- a/actionpack/lib/action_dispatch/testing/test_response.rb
+++ b/actionpack/lib/action_dispatch/testing/test_response.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "action_dispatch/testing/request_encoder"
module ActionDispatch
diff --git a/actionpack/lib/action_pack.rb b/actionpack/lib/action_pack.rb
index eec622e085..ada60031b0 100644
--- a/actionpack/lib/action_pack.rb
+++ b/actionpack/lib/action_pack.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
#--
# Copyright (c) 2004-2017 David Heinemeier Hansson
#
diff --git a/actionpack/lib/action_pack/gem_version.rb b/actionpack/lib/action_pack/gem_version.rb
index fddc3033d5..88c4bcd2d9 100644
--- a/actionpack/lib/action_pack/gem_version.rb
+++ b/actionpack/lib/action_pack/gem_version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionPack
# Returns the version of the currently loaded Action Pack as a <tt>Gem::Version</tt>
def self.gem_version
diff --git a/actionpack/lib/action_pack/version.rb b/actionpack/lib/action_pack/version.rb
index 3d96158431..9b0c5026ac 100644
--- a/actionpack/lib/action_pack/version.rb
+++ b/actionpack/lib/action_pack/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require_relative "gem_version"
module ActionPack