Rename `i18n_full_message` config option to `i18n_customize_full_message`

- I feel `i18n_customize_full_messages` explains the meaning of the
  config better.
- Followup of https://github.com/rails/rails/pull/32956

2 files changed, 5 insertions, 5 deletions

diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index d7e682d406..3a692a3e64 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -63,9 +63,9 @@ module ActiveModel
     MESSAGE_OPTIONS = [:message]
 
     class << self
-      attr_accessor :i18n_full_message # :nodoc:
+      attr_accessor :i18n_customize_full_message # :nodoc:
     end
-    self.i18n_full_message = false
+    self.i18n_customize_full_message = false
 
     attr_reader :messages, :details
 
@@ -413,7 +413,7 @@ module ActiveModel
       return message if attribute == :base
       attribute = attribute.to_s
 
-      if self.class.i18n_full_message && @base.class.respond_to?(:i18n_scope)
+      if self.class.i18n_customize_full_message && @base.class.respond_to?(:i18n_scope)
         attribute = attribute.remove(/\[\d\]/)
         parts = attribute.split(".")
         attribute_name = parts.pop
diff --git a/activemodel/lib/active_model/railtie.rb b/activemodel/lib/active_model/railtie.rb
index 0ed70bd473..eb7901c7e9 100644
--- a/activemodel/lib/active_model/railtie.rb
+++ b/activemodel/lib/active_model/railtie.rb
@@ -13,8 +13,8 @@ module ActiveModel
       ActiveModel::SecurePassword.min_cost = Rails.env.test?
     end
 
-    initializer "active_model.i18n_full_message" do
-      ActiveModel::Errors.i18n_full_message = config.active_model.delete(:i18n_full_message) || false
+    initializer "active_model.i18n_customize_full_message" do
+      ActiveModel::Errors.i18n_customize_full_message = config.active_model.delete(:i18n_customize_full_message) || false
     end
   end
 end