Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `.github/dependabot.yml`:
  Upstream made changes while we have dropped this file.
  Keep the file deleted.
- `.prettierignore`:
  Upstream made changes at the end of the file, where we
  had our extra lines.
  Just moved our extra lines back at the end.
- `app/serializers/initial_state_serializer.rb`:
  Upstream code style changes.
  Applied them.
- `app/services/backup_service.rb`:
  Upstream code style changes.
  Applied them.

27 files changed, 124 insertions, 176 deletions

diff --git a/app/models/account.rb b/app/models/account.rb
index f4631e938..bd623cff9 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -313,9 +313,7 @@ class Account < ApplicationRecord
 
         previous = old_fields.find { |item| item['value'] == attr[:value] }
 
-        if previous && previous['verified_at'].present?
-          attr[:verified_at] = previous['verified_at']
-        end
+        attr[:verified_at] = previous['verified_at'] if previous && previous['verified_at'].present?
 
         fields << attr
       end
@@ -459,13 +457,12 @@ class Account < ApplicationRecord
       return [] if text.blank?
 
       text.scan(MENTION_RE).map { |match| match.first.split('@', 2) }.uniq.filter_map do |(username, domain)|
-        domain = begin
-          if TagManager.instance.local_domain?(domain)
-            nil
-          else
-            TagManager.instance.normalize_domain(domain)
-          end
-        end
+        domain = if TagManager.instance.local_domain?(domain)
+                   nil
+                 else
+                   TagManager.instance.normalize_domain(domain)
+                 end
+
         EntityCache.instance.mention(username, domain)
       end
     end
diff --git a/app/models/account/field.rb b/app/models/account/field.rb
index 4db4cac30..98c29726d 100644
--- a/app/models/account/field.rb
+++ b/app/models/account/field.rb
@@ -25,13 +25,11 @@ class Account::Field < ActiveModelSerializers::Model
   end
 
   def value_for_verification
-    @value_for_verification ||= begin
-      if account.local?
-        value
-      else
-        extract_url_from_html
-      end
-    end
+    @value_for_verification ||= if account.local?
+                                  value
+                                else
+                                  extract_url_from_html
+                                end
   end
 
   def verifiable?
diff --git a/app/models/account_statuses_cleanup_policy.rb b/app/models/account_statuses_cleanup_policy.rb
index 49adc6ad0..14ce00abb 100644
--- a/app/models/account_statuses_cleanup_policy.rb
+++ b/app/models/account_statuses_cleanup_policy.rb
@@ -122,9 +122,7 @@ class AccountStatusesCleanupPolicy < ApplicationRecord
       # may need to be deleted, so we'll have to start again.
       redis.del("account_cleanup:#{account.id}")
     end
-    if EXCEPTION_THRESHOLDS.map { |name| attribute_change_to_be_saved(name) }.compact.any? { |old, new| old.present? && (new.nil? || new > old) }
-      redis.del("account_cleanup:#{account.id}")
-    end
+    redis.del("account_cleanup:#{account.id}") if EXCEPTION_THRESHOLDS.map { |name| attribute_change_to_be_saved(name) }.compact.any? { |old, new| old.present? && (new.nil? || new > old) }
   end
 
   def validate_local_account
@@ -141,9 +139,7 @@ class AccountStatusesCleanupPolicy < ApplicationRecord
     # has switched to snowflake IDs significantly over 2 years ago anyway.
     snowflake_id = Mastodon::Snowflake.id_at(min_status_age.seconds.ago, with_random: false)
 
-    if max_id.nil? || snowflake_id < max_id
-      max_id = snowflake_id
-    end
+    max_id = snowflake_id if max_id.nil? || snowflake_id < max_id
 
     Status.where(Status.arel_table[:id].lteq(max_id))
   end
diff --git a/app/models/admin/account_action.rb b/app/models/admin/account_action.rb
index bce0d6e17..1ce28f5c8 100644
--- a/app/models/admin/account_action.rb
+++ b/app/models/admin/account_action.rb
@@ -166,13 +166,11 @@ class Admin::AccountAction
   end
 
   def reports
-    @reports ||= begin
-      if type == 'none'
-        with_report? ? [report] : []
-      else
-        Report.where(target_account: target_account).unresolved
-      end
-    end
+    @reports ||= if type == 'none'
+                   with_report? ? [report] : []
+                 else
+                   Report.where(target_account: target_account).unresolved
+                 end
   end
 
   def warning_preset
diff --git a/app/models/announcement.rb b/app/models/announcement.rb
index 4b2cb4c6d..898bf3efa 100644
--- a/app/models/announcement.rb
+++ b/app/models/announcement.rb
@@ -54,13 +54,11 @@ class Announcement < ApplicationRecord
   end
 
   def statuses
-    @statuses ||= begin
-      if status_ids.nil?
-        []
-      else
-        Status.where(id: status_ids, visibility: [:public, :unlisted])
-      end
-    end
+    @statuses ||= if status_ids.nil?
+                    []
+                  else
+                    Status.where(id: status_ids, visibility: [:public, :unlisted])
+                  end
   end
 
   def tags
diff --git a/app/models/backup.rb b/app/models/backup.rb
index d242fd62c..277b9395b 100644
--- a/app/models/backup.rb
+++ b/app/models/backup.rb
@@ -18,5 +18,5 @@ class Backup < ApplicationRecord
   belongs_to :user, inverse_of: :backups
 
   has_attached_file :dump
-  do_not_validate_attachment_file_type :dump
+  validates_attachment_content_type :dump, content_type: /\Aapplication/
 end
diff --git a/app/models/concerns/account_interactions.rb b/app/models/concerns/account_interactions.rb
index de8bf338f..325619774 100644
--- a/app/models/concerns/account_interactions.rb
+++ b/app/models/concerns/account_interactions.rb
@@ -151,9 +151,7 @@ module AccountInteractions
     remove_potential_friendship(other_account)
 
     # When toggling a mute between hiding and allowing notifications, the mute will already exist, so the find_or_create_by! call will return the existing Mute without updating the hide_notifications attribute. Therefore, we check that hide_notifications? is what we want and set it if it isn't.
-    if mute.hide_notifications? != notifications
-      mute.update!(hide_notifications: notifications)
-    end
+    mute.update!(hide_notifications: notifications) if mute.hide_notifications? != notifications
 
     mute
   end
diff --git a/app/models/concerns/account_merging.rb b/app/models/concerns/account_merging.rb
index 8161761fb..41071633d 100644
--- a/app/models/concerns/account_merging.rb
+++ b/app/models/concerns/account_merging.rb
@@ -21,11 +21,9 @@ module AccountMerging
 
     owned_classes.each do |klass|
       klass.where(account_id: other_account.id).find_each do |record|
-        begin
-          record.update_attribute(:account_id, id)
-        rescue ActiveRecord::RecordNotUnique
-          next
-        end
+        record.update_attribute(:account_id, id)
+      rescue ActiveRecord::RecordNotUnique
+        next
       end
     end
 
@@ -36,11 +34,9 @@ module AccountMerging
 
     target_classes.each do |klass|
       klass.where(target_account_id: other_account.id).find_each do |record|
-        begin
-          record.update_attribute(:target_account_id, id)
-        rescue ActiveRecord::RecordNotUnique
-          next
-        end
+        record.update_attribute(:target_account_id, id)
+      rescue ActiveRecord::RecordNotUnique
+        next
       end
     end
 
diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
index 4d902abcb..c64fc7d80 100644
--- a/app/models/concerns/expireable.rb
+++ b/app/models/concerns/expireable.rb
@@ -17,7 +17,7 @@ module Expireable
     end
 
     def expires_in=(interval)
-      self.expires_at = interval.present? ? interval.to_i.seconds.from_now : nil 
+      self.expires_at = interval.present? ? interval.to_i.seconds.from_now : nil
       @expires_in     = interval
     end
 
diff --git a/app/models/concerns/omniauthable.rb b/app/models/concerns/omniauthable.rb
index 7d54e9d6d..b0aa5be6f 100644
--- a/app/models/concerns/omniauthable.rb
+++ b/app/models/concerns/omniauthable.rb
@@ -56,9 +56,7 @@ module Omniauthable
       user = User.new(user_params_from_auth(email, auth))
 
       begin
-        if /\A#{URI::DEFAULT_PARSER.make_regexp(%w(http https))}\z/.match?(auth.info.image)
-          user.account.avatar_remote_url = auth.info.image
-        end
+        user.account.avatar_remote_url = auth.info.image if /\A#{URI::DEFAULT_PARSER.make_regexp(%w(http https))}\z/.match?(auth.info.image)
       rescue Mastodon::UnexpectedResponseError
         user.account.avatar_remote_url = nil
       end
diff --git a/app/models/concerns/paginable.rb b/app/models/concerns/paginable.rb
index 62e39f671..b76e78c1e 100644
--- a/app/models/concerns/paginable.rb
+++ b/app/models/concerns/paginable.rb
@@ -4,7 +4,7 @@ module Paginable
   extend ActiveSupport::Concern
 
   included do
-    scope :paginate_by_max_id, ->(limit, max_id = nil, since_id = nil) {
+    scope :paginate_by_max_id, lambda { |limit, max_id = nil, since_id = nil|
       query = order(arel_table[:id].desc).limit(limit)
       query = query.where(arel_table[:id].lt(max_id)) if max_id.present?
       query = query.where(arel_table[:id].gt(since_id)) if since_id.present?
@@ -14,7 +14,7 @@ module Paginable
     # Differs from :paginate_by_max_id in that it gives the results immediately following min_id,
     # whereas since_id gives the items with largest id, but with since_id as a cutoff.
     # Results will be in ascending order by id.
-    scope :paginate_by_min_id, ->(limit, min_id = nil, max_id = nil) {
+    scope :paginate_by_min_id, lambda { |limit, min_id = nil, max_id = nil|
       query = reorder(arel_table[:id]).limit(limit)
       query = query.where(arel_table[:id].gt(min_id)) if min_id.present?
       query = query.where(arel_table[:id].lt(max_id)) if max_id.present?
diff --git a/app/models/concerns/pam_authenticable.rb b/app/models/concerns/pam_authenticable.rb
index 6169d4dfa..f97f986a4 100644
--- a/app/models/concerns/pam_authenticable.rb
+++ b/app/models/concerns/pam_authenticable.rb
@@ -42,13 +42,11 @@ module PamAuthenticable
     def self.pam_get_user(attributes = {})
       return nil unless attributes[:email]
 
-      resource = begin
-        if Devise.check_at_sign && !attributes[:email].index('@')
-          joins(:account).find_by(accounts: { username: attributes[:email] })
-        else
-          find_by(email: attributes[:email])
-        end
-      end
+      resource = if Devise.check_at_sign && !attributes[:email].index('@')
+                   joins(:account).find_by(accounts: { username: attributes[:email] })
+                 else
+                   find_by(email: attributes[:email])
+                 end
 
       if resource.nil?
         resource = new(email: attributes[:email], agreement: true)
diff --git a/app/models/email_domain_block.rb b/app/models/email_domain_block.rb
index 10a0e5102..3a56e4f2a 100644
--- a/app/models/email_domain_block.rb
+++ b/app/models/email_domain_block.rb
@@ -69,13 +69,11 @@ class EmailDomainBlock < ApplicationRecord
 
     def extract_uris(domain_or_domains)
       Array(domain_or_domains).map do |str|
-        domain = begin
-          if str.include?('@')
-            str.split('@', 2).last
-          else
-            str
-          end
-        end
+        domain = if str.include?('@')
+                   str.split('@', 2).last
+                 else
+                   str
+                 end
 
         Addressable::URI.new.tap { |u| u.host = domain.strip } if domain.present?
       rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
diff --git a/app/models/form/admin_settings.rb b/app/models/form/admin_settings.rb
index 62a96528d..d692891d8 100644
--- a/app/models/form/admin_settings.rb
+++ b/app/models/form/admin_settings.rb
@@ -93,13 +93,11 @@ class Form::AdminSettings
     define_method(key) do
       return instance_variable_get("@#{key}") if instance_variable_defined?("@#{key}")
 
-      stored_value = begin
-        if UPLOAD_KEYS.include?(key)
-          SiteUpload.where(var: key).first_or_initialize(var: key)
-        else
-          Setting.public_send(key)
-        end
-      end
+      stored_value = if UPLOAD_KEYS.include?(key)
+                       SiteUpload.where(var: key).first_or_initialize(var: key)
+                     else
+                       Setting.public_send(key)
+                     end
 
       instance_variable_set("@#{key}", stored_value)
     end
diff --git a/app/models/form/custom_emoji_batch.rb b/app/models/form/custom_emoji_batch.rb
index f4fa84c10..484415f90 100644
--- a/app/models/form/custom_emoji_batch.rb
+++ b/app/models/form/custom_emoji_batch.rb
@@ -36,13 +36,11 @@ class Form::CustomEmojiBatch
   def update!
     custom_emojis.each { |custom_emoji| authorize(custom_emoji, :update?) }
 
-    category = begin
-      if category_id.present?
-        CustomEmojiCategory.find(category_id)
-      elsif category_name.present?
-        CustomEmojiCategory.find_or_create_by!(name: category_name)
-      end
-    end
+    category = if category_id.present?
+                 CustomEmojiCategory.find(category_id)
+               elsif category_name.present?
+                 CustomEmojiCategory.find_or_create_by!(name: category_name)
+               end
 
     custom_emojis.each do |custom_emoji|
       custom_emoji.update(category_id: category&.id)
diff --git a/app/models/notification.rb b/app/models/notification.rb
index bbc63c1c0..01155c363 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -87,13 +87,11 @@ class Notification < ApplicationRecord
 
   class << self
     def browserable(types: [], exclude_types: [], from_account_id: nil)
-      requested_types = begin
-        if types.empty?
-          TYPES
-        else
-          types.map(&:to_sym) & TYPES
-        end
-      end
+      requested_types = if types.empty?
+                          TYPES
+                        else
+                          types.map(&:to_sym) & TYPES
+                        end
 
       requested_types -= exclude_types.map(&:to_sym)
 
diff --git a/app/models/remote_follow.rb b/app/models/remote_follow.rb
index 911c06713..10715ac97 100644
--- a/app/models/remote_follow.rb
+++ b/app/models/remote_follow.rb
@@ -36,13 +36,11 @@ class RemoteFollow
 
     username, domain = value.strip.gsub(/\A@/, '').split('@')
 
-    domain = begin
-      if TagManager.instance.local_domain?(domain)
-        nil
-      else
-        TagManager.instance.normalize_domain(domain)
-      end
-    end
+    domain = if TagManager.instance.local_domain?(domain)
+               nil
+             else
+               TagManager.instance.normalize_domain(domain)
+             end
 
     [username, domain].compact.join('@')
   rescue Addressable::URI::InvalidURIError
diff --git a/app/models/status.rb b/app/models/status.rb
index 4e4d960a4..c17921333 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -104,12 +104,12 @@ class Status < ApplicationRecord
   scope :including_silenced_accounts, -> { left_outer_joins(:account).where.not(accounts: { silenced_at: nil }) }
   scope :not_excluded_by_account, ->(account) { where.not(account_id: account.excluded_from_timeline_account_ids) }
   scope :not_domain_blocked_by_account, ->(account) { account.excluded_from_timeline_domains.blank? ? left_outer_joins(:account) : left_outer_joins(:account).where('accounts.domain IS NULL OR accounts.domain NOT IN (?)', account.excluded_from_timeline_domains) }
-  scope :tagged_with_all, ->(tag_ids) {
+  scope :tagged_with_all, lambda { |tag_ids|
     Array(tag_ids).map(&:to_i).reduce(self) do |result, id|
       result.joins("INNER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}")
     end
   }
-  scope :tagged_with_none, ->(tag_ids) {
+  scope :tagged_with_none, lambda { |tag_ids|
     where('NOT EXISTS (SELECT * FROM statuses_tags forbidden WHERE forbidden.status_id = statuses.id AND forbidden.tag_id IN (?))', tag_ids)
   }
 
@@ -415,13 +415,12 @@ class Status < ApplicationRecord
       return [] if text.blank?
 
       text.scan(FetchLinkCardService::URL_PATTERN).map(&:second).uniq.filter_map do |url|
-        status = begin
-          if TagManager.instance.local_url?(url)
-            ActivityPub::TagManager.instance.uri_to_resource(url, Status)
-          else
-            EntityCache.instance.status(url)
-          end
-        end
+        status = if TagManager.instance.local_url?(url)
+                   ActivityPub::TagManager.instance.uri_to_resource(url, Status)
+                 else
+                   EntityCache.instance.status(url)
+                 end
+
         status&.distributable? ? status : nil
       end
     end
diff --git a/app/models/status_edit.rb b/app/models/status_edit.rb
index c2330c04f..18095b4e6 100644
--- a/app/models/status_edit.rb
+++ b/app/models/status_edit.rb
@@ -52,14 +52,12 @@ class StatusEdit < ApplicationRecord
   def ordered_media_attachments
     return @ordered_media_attachments if defined?(@ordered_media_attachments)
 
-    @ordered_media_attachments = begin
-      if ordered_media_attachment_ids.nil?
-        []
-      else
-        map = status.media_attachments.index_by(&:id)
-        ordered_media_attachment_ids.map.with_index { |media_attachment_id, index| PreservedMediaAttachment.new(media_attachment: map[media_attachment_id], description: media_descriptions[index]) }
-      end
-    end
+    @ordered_media_attachments = if ordered_media_attachment_ids.nil?
+                                   []
+                                 else
+                                   map = status.media_attachments.index_by(&:id)
+                                   ordered_media_attachment_ids.map.with_index { |media_attachment_id, index| PreservedMediaAttachment.new(media_attachment: map[media_attachment_id], description: media_descriptions[index]) }
+                                 end
   end
 
   def proper
diff --git a/app/models/system_key.rb b/app/models/system_key.rb
index f17db7c2d..1be399dd6 100644
--- a/app/models/system_key.rb
+++ b/app/models/system_key.rb
@@ -14,7 +14,7 @@ class SystemKey < ApplicationRecord
 
   before_validation :set_key
 
-  scope :expired, ->(now = Time.now.utc) { where(arel_table[:created_at].lt(now - ROTATION_PERIOD * 3)) }
+  scope :expired, ->(now = Time.now.utc) { where(arel_table[:created_at].lt(now - (ROTATION_PERIOD * 3))) }
 
   class << self
     def current_key
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 47a05d00a..98001d60a 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -49,7 +49,7 @@ class Tag < ApplicationRecord
   scope :listable, -> { where(listable: [true, nil]) }
   scope :trendable, -> { Setting.trendable_by_default ? where(trendable: [true, nil]) : where(trendable: true) }
   scope :not_trendable, -> { where(trendable: false) }
-  scope :recently_used, ->(account) {
+  scope :recently_used, lambda { |account|
                           joins(:statuses)
                             .where(statuses: { id: account.statuses.select(:id).limit(1000) })
                             .group(:id).order(Arel.sql('count(*) desc'))
diff --git a/app/models/trends/links.rb b/app/models/trends/links.rb
index 8808b3ab6..c94f7c023 100644
--- a/app/models/trends/links.rb
+++ b/app/models/trends/links.rb
@@ -113,13 +113,11 @@ class Trends::Links < Trends::Base
       max_score = preview_card.max_score
       max_score = 0 if max_time.nil? || max_time < (at_time - options[:max_score_cooldown])
 
-      score = begin
-        if expected > observed || observed < options[:threshold]
-          0
-        else
-          ((observed - expected)**2) / expected
-        end
-      end
+      score = if expected > observed || observed < options[:threshold]
+                0
+              else
+                ((observed - expected)**2) / expected
+              end
 
       if score > max_score
         max_score = score
@@ -129,13 +127,11 @@ class Trends::Links < Trends::Base
         preview_card.update_columns(max_score: max_score, max_score_at: max_time)
       end
 
-      decaying_score = begin
-        if max_score.zero? || !valid_locale?(preview_card.language)
-          0
-        else
-          max_score * (0.5**((at_time.to_f - max_time.to_f) / options[:max_score_halflife].to_f))
-        end
-      end
+      decaying_score = if max_score.zero? || !valid_locale?(preview_card.language)
+                         0
+                       else
+                         max_score * (0.5**((at_time.to_f - max_time.to_f) / options[:max_score_halflife].to_f))
+                       end
 
       [decaying_score, preview_card]
     end
diff --git a/app/models/trends/statuses.rb b/app/models/trends/statuses.rb
index 14a05e6d8..d4d5b1c24 100644
--- a/app/models/trends/statuses.rb
+++ b/app/models/trends/statuses.rb
@@ -99,21 +99,17 @@ class Trends::Statuses < Trends::Base
       expected  = 1.0
       observed  = (status.reblogs_count + status.favourites_count).to_f
 
-      score = begin
-        if expected > observed || observed < options[:threshold]
-          0
-        else
-          ((observed - expected)**2) / expected
-        end
-      end
-
-      decaying_score = begin
-        if score.zero? || !eligible?(status)
-          0
-        else
-          score * (0.5**((at_time.to_f - status.created_at.to_f) / options[:score_halflife].to_f))
-        end
-      end
+      score = if expected > observed || observed < options[:threshold]
+                0
+              else
+                ((observed - expected)**2) / expected
+              end
+
+      decaying_score = if score.zero? || !eligible?(status)
+                         0
+                       else
+                         score * (0.5**((at_time.to_f - status.created_at.to_f) / options[:score_halflife].to_f))
+                       end
 
       [decaying_score, status]
     end
diff --git a/app/models/trends/tag_filter.rb b/app/models/trends/tag_filter.rb
index 3b142efc4..46b747819 100644
--- a/app/models/trends/tag_filter.rb
+++ b/app/models/trends/tag_filter.rb
@@ -13,13 +13,11 @@ class Trends::TagFilter
   end
 
   def results
-    scope = begin
-      if params[:status] == 'pending_review'
-        Tag.unscoped
-      else
-        trending_scope
-      end
-    end
+    scope = if params[:status] == 'pending_review'
+              Tag.unscoped
+            else
+              trending_scope
+            end
 
     params.each do |key, value|
       next if key.to_s == 'page'
diff --git a/app/models/trends/tags.rb b/app/models/trends/tags.rb
index 19ade52ba..931532990 100644
--- a/app/models/trends/tags.rb
+++ b/app/models/trends/tags.rb
@@ -63,13 +63,11 @@ class Trends::Tags < Trends::Base
       max_score = tag.max_score
       max_score = 0 if max_time.nil? || max_time < (at_time - options[:max_score_cooldown])
 
-      score = begin
-        if expected > observed || observed < options[:threshold]
-          0
-        else
-          ((observed - expected)**2) / expected
-        end
-      end
+      score = if expected > observed || observed < options[:threshold]
+                0
+              else
+                ((observed - expected)**2) / expected
+              end
 
       if score > max_score
         max_score = score
diff --git a/app/models/web/push_subscription.rb b/app/models/web/push_subscription.rb
index 6e46573ae..dfaadf5cc 100644
--- a/app/models/web/push_subscription.rb
+++ b/app/models/web/push_subscription.rb
@@ -53,25 +53,21 @@ class Web::PushSubscription < ApplicationRecord
   def associated_user
     return @associated_user if defined?(@associated_user)
 
-    @associated_user = begin
-      if user_id.nil?
-        session_activation.user
-      else
-        user
-      end
-    end
+    @associated_user = if user_id.nil?
+                         session_activation.user
+                       else
+                         user
+                       end
   end
 
   def associated_access_token
     return @associated_access_token if defined?(@associated_access_token)
 
-    @associated_access_token = begin
-      if access_token_id.nil?
-        find_or_create_access_token.token
-      else
-        access_token.token
-      end
-    end
+    @associated_access_token = if access_token_id.nil?
+                                 find_or_create_access_token.token
+                               else
+                                 access_token.token
+                               end
   end
 
   class << self
diff --git a/app/models/webauthn_credential.rb b/app/models/webauthn_credential.rb
index 7d423e38d..48abfc1d4 100644
--- a/app/models/webauthn_credential.rb
+++ b/app/models/webauthn_credential.rb
@@ -18,5 +18,5 @@ class WebauthnCredential < ApplicationRecord
   validates :external_id, uniqueness: true
   validates :nickname, uniqueness: { scope: :user_id }
   validates :sign_count,
-            numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 2**63 - 1 }
+            numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: (2**63) - 1 }
 end