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-rw-r--r--actionpack/lib/action_controller/metal/conditional_get.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/actionpack/lib/action_controller/metal/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb
index eb636fa3f6..06b6a95ff8 100644
--- a/actionpack/lib/action_controller/metal/conditional_get.rb
+++ b/actionpack/lib/action_controller/metal/conditional_get.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "active_support/core_ext/hash/keys"
module ActionController
@@ -7,8 +9,7 @@ module ActionController
include Head
included do
- class_attribute :etaggers
- self.etaggers = []
+ class_attribute :etaggers, default: []
end
module ClassMethods
@@ -227,7 +228,7 @@ module ActionController
# expires_in 3.hours, public: true, must_revalidate: true
#
# This method will overwrite an existing Cache-Control header.
- # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html for more possibilities.
+ # See https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html for more possibilities.
#
# The method will also ensure an HTTP Date header for client compatibility.
def expires_in(seconds, options = {})