Use default: ... assignment for Devise config, fixes `Style/ClassVa…

…rs` cop (mastodon#30214)

.rubocop_todo.yml

@@ -54,10 +54,6 @@ Style/ClassEqualityComparison:
  - 'app/helpers/jsonld_helper.rb'
  - 'app/serializers/activitypub/outbox_serializer.rb'
 
-Style/ClassVars:
- Exclude:
- - 'config/initializers/devise.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AllowedVars.
 Style/FetchEnvVar:

config/initializers/devise.rb

@@ -38,42 +38,25 @@
 end
 
 module Devise
- mattr_accessor :pam_authentication
- @@pam_authentication = false
- mattr_accessor :pam_controlled_service
- @@pam_controlled_service = nil
-
- mattr_accessor :check_at_sign
- @@check_at_sign = false
-
- mattr_accessor :ldap_authentication
- @@ldap_authentication = false
- mattr_accessor :ldap_host
- @@ldap_host = nil
- mattr_accessor :ldap_port
- @@ldap_port = nil
- mattr_accessor :ldap_method
- @@ldap_method = nil
- mattr_accessor :ldap_base
- @@ldap_base = nil
- mattr_accessor :ldap_uid
- @@ldap_uid = nil
- mattr_accessor :ldap_mail
- @@ldap_mail = nil
- mattr_accessor :ldap_bind_dn
- @@ldap_bind_dn = nil
- mattr_accessor :ldap_password
- @@ldap_password = nil
- mattr_accessor :ldap_tls_no_verify
- @@ldap_tls_no_verify = false
- mattr_accessor :ldap_search_filter
- @@ldap_search_filter = nil
- mattr_accessor :ldap_uid_conversion_enabled
- @@ldap_uid_conversion_enabled = false
- mattr_accessor :ldap_uid_conversion_search
- @@ldap_uid_conversion_search = nil
- mattr_accessor :ldap_uid_conversion_replace
- @@ldap_uid_conversion_replace = nil
+ mattr_accessor :pam_authentication, default: false
+ mattr_accessor :pam_controlled_service, default: nil
+
+ mattr_accessor :check_at_sign, default: false
+
+ mattr_accessor :ldap_authentication, default: false
+ mattr_accessor :ldap_host, default: nil
+ mattr_accessor :ldap_port, default: nil
+ mattr_accessor :ldap_method, default: nil
+ mattr_accessor :ldap_base, default: nil
+ mattr_accessor :ldap_uid, default: nil
+ mattr_accessor :ldap_mail, default: nil
+ mattr_accessor :ldap_bind_dn, default: nil
+ mattr_accessor :ldap_password, default: nil
+ mattr_accessor :ldap_tls_no_verify, default: false
+ mattr_accessor :ldap_search_filter, default: nil
+ mattr_accessor :ldap_uid_conversion_enabled, default: false
+ mattr_accessor :ldap_uid_conversion_search, default: nil
+ mattr_accessor :ldap_uid_conversion_replace, default: nil
 
  module Strategies
  class PamAuthenticatable