Fix low-hanging rubocop gripes (#8458)

* rubocop: quit being so picky

* rubocop: miscellany

* rubocop: prefer present to blank

.rubocop.yml

@@ -62,6 +62,9 @@ Metrics/ParameterLists:
 Metrics/PerceivedComplexity:
   Max: 20
 
+Naming/MemoizedInstanceVariableName:
+  Enabled: false
+
 Rails:
   Enabled: true
 
@@ -71,6 +74,9 @@ Rails/HasAndBelongsToMany:
 Rails/SkipsModelValidations:
   Enabled: false
 
+Rails/HttpStatus:
+  Enabled: false
+
 Style/ClassAndModuleChildren:
   Enabled: false
 

app/controllers/api/v1/lists/accounts_controller.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class Api::V1::Lists::AccountsController < Api::BaseController
-  before_action -> { doorkeeper_authorize! :read, :'read:lists' },    only:  [:show]
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:show]
   before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:show]
 
   before_action :require_user!

app/controllers/api/v1/lists_controller.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class Api::V1::ListsController < Api::BaseController
-  before_action -> { doorkeeper_authorize! :read, :'read:lists' },    only:  [:index, :show]
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index, :show]
   before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:index, :show]
 
   before_action :require_user!

app/lib/feed_manager.rb

@@ -288,7 +288,7 @@ class FeedManager
       # remains in the set. We could pick a random element, but this
       # set should generally be small, and it seems ideal to show the
       # oldest potential such reblog.
-      other_reblog = redis.smembers(reblog_set_key).map(&:to_i).sort.first
+      other_reblog = redis.smembers(reblog_set_key).map(&:to_i).min
 
       redis.zadd(timeline_key, other_reblog, other_reblog) if other_reblog
 

app/mailers/user_mailer.rb

@@ -16,7 +16,7 @@ class UserMailer < Devise::Mailer
     return if @resource.disabled?
 
     I18n.with_locale(@resource.locale || I18n.default_locale) do
-      mail to: @resource.unconfirmed_email.blank? ? @resource.email : @resource.unconfirmed_email,
+      mail to: @resource.unconfirmed_email.presence || @resource.email,
            subject: I18n.t(@resource.pending_reconfirmation? ? 'devise.mailer.reconfirmation_instructions.subject' : 'devise.mailer.confirmation_instructions.subject', instance: @instance),
            template_name: @resource.pending_reconfirmation? ? 'reconfirmation_instructions' : 'confirmation_instructions'
     end

app/models/concerns/expireable.rb

@@ -9,7 +9,7 @@ module Expireable
     attr_reader :expires_in
 
     def expires_in=(interval)
-      self.expires_at = interval.to_i.seconds.from_now unless interval.blank?
+      self.expires_at = interval.to_i.seconds.from_now if interval.present?
       @expires_in     = interval
     end
 

app/models/user.rb

@@ -98,7 +98,7 @@ class User < ApplicationRecord
            :reduce_motion, :system_font_ui, :noindex, :theme, :display_sensitive_media, :hide_network,
            :default_language, to: :settings, prefix: :setting, allow_nil: false
 
-  attr_accessor :invite_code
+  attr_reader :invite_code
 
   def pam_conflict(_)
     # block pam login tries on traditional account
@@ -258,7 +258,7 @@ class User < ApplicationRecord
   end
 
   def invite_code=(code)
-    self.invite  = Invite.find_by(code: code) unless code.blank?
+    self.invite  = Invite.find_by(code: code) if code.present?
     @invite_code = code
   end
 

lib/tasks/db.rake

@@ -18,7 +18,7 @@ def each_schema_load_environment
   #    needing to do the same, and we can't even use the same method
   #    to do it.
 
-  if Rails.env == 'development'
+  if Rails.env.development?
     test_conf = ActiveRecord::Base.configurations['test']
 
     if test_conf['database']&.present?

lib/tasks/mastodon.rake

@@ -280,14 +280,14 @@ namespace :mastodon do
 
         begin
           ActionMailer::Base.smtp_settings = {
-            :port                 => env['SMTP_PORT'],
-            :address              => env['SMTP_SERVER'],
-            :user_name            => env['SMTP_LOGIN'].presence,
-            :password             => env['SMTP_PASSWORD'].presence,
-            :domain               => env['LOCAL_DOMAIN'],
-            :authentication       => env['SMTP_AUTH_METHOD'] == 'none' ? nil : env['SMTP_AUTH_METHOD'] || :plain,
-            :openssl_verify_mode  => env['SMTP_OPENSSL_VERIFY_MODE'],
-            :enable_starttls_auto => true,
+            port:                 env['SMTP_PORT'],
+            address:              env['SMTP_SERVER'],
+            user_name:            env['SMTP_LOGIN'].presence,
+            password:             env['SMTP_PASSWORD'].presence,
+            domain:               env['LOCAL_DOMAIN'],
+            authentication:       env['SMTP_AUTH_METHOD'] == 'none' ? nil : env['SMTP_AUTH_METHOD'] || :plain,
+            openssl_verify_mode:  env['SMTP_OPENSSL_VERIFY_MODE'],
+            enable_starttls_auto: true,
           }
 
           ActionMailer::Base.default_options = {
@@ -326,13 +326,11 @@ namespace :mastodon do
 
         if prompt.yes?('Prepare the database now?')
           prompt.say 'Running `RAILS_ENV=production rails db:setup` ...'
-          prompt.say "\n"
+          prompt.say "\n\n"
 
           if cmd.run!({ RAILS_ENV: 'production', SAFETY_ASSURED: 1 }, :rails, 'db:setup').failure?
-            prompt.say "\n"
             prompt.error 'That failed! Perhaps your configuration is not right'
           else
-            prompt.say "\n"
             prompt.ok 'Done!'
           end
         end
@@ -343,13 +341,11 @@ namespace :mastodon do
 
         if prompt.yes?('Compile the assets now?')
           prompt.say 'Running `RAILS_ENV=production rails assets:precompile` ...'
-          prompt.say "\n"
+          prompt.say "\n\n"
 
           if cmd.run!({ RAILS_ENV: 'production' }, :rails, 'assets:precompile').failure?
-            prompt.say "\n"
             prompt.error 'That failed! Maybe you need swap space?'
           else
-            prompt.say "\n"
             prompt.say 'Done!'
           end
         end
@@ -715,10 +711,10 @@ namespace :mastodon do
       pastel = Pastel.new
 
       duplicate_masters.each do |account|
-        puts pastel.yellow("First of their name: ") + pastel.bold(account.username) + " (#{admin_account_url(account.id)})"
+        puts pastel.yellow('First of their name: ') + pastel.bold(account.username) + " (#{admin_account_url(account.id)})"
 
         Account.where('lower(username) = ?', account.username.downcase).where.not(id: account.id).each do |duplicate|
-          puts "  " + pastel.red("Duplicate: ") + admin_account_url(duplicate.id)
+          puts '  ' + pastel.red('Duplicate: ') + admin_account_url(duplicate.id)
         end
       end
     end