Fix `Rails/RakeEnvironment` cop (#28782)

.rubocop.yml

@@ -109,6 +109,16 @@ Rails/LexicallyScopedActionFilter:
   Exclude:
     - 'app/controllers/auth/*'
 
+# Reason: These tasks are doing local work which do not need full env loaded
+# https://docs.rubocop.org/rubocop-rails/cops_rails.html#railsrakeenvironment
+Rails/RakeEnvironment:
+  Exclude:
+    - 'lib/tasks/auto_annotate_models.rake'
+    - 'lib/tasks/emojis.rake'
+    - 'lib/tasks/mastodon.rake'
+    - 'lib/tasks/repo.rake'
+    - 'lib/tasks/statistics.rake'
+
 # Reason: There are appropriate times to use these features
 # https://docs.rubocop.org/rubocop-rails/cops_rails.html#railsskipsmodelvalidations
 Rails/SkipsModelValidations:

.rubocop_todo.yml

@@ -61,18 +61,6 @@ Rails/OutputSafety:
   Exclude:
     - 'config/initializers/simple_form.rb'
 
-# This cop supports unsafe autocorrection (--autocorrect-all).
-# Configuration parameters: Include.
-# Include: **/Rakefile, **/*.rake
-Rails/RakeEnvironment:
-  Exclude:
-    - 'lib/tasks/auto_annotate_models.rake'
-    - 'lib/tasks/db.rake'
-    - 'lib/tasks/emojis.rake'
-    - 'lib/tasks/mastodon.rake'
-    - 'lib/tasks/repo.rake'
-    - 'lib/tasks/statistics.rake'
-
 # Configuration parameters: Include.
 # Include: app/models/**/*.rb
 Rails/UniqueValidationWithoutIndex:

lib/tasks/db.rake

@@ -15,7 +15,7 @@ namespace :db do
     end
   end
 
-  task :pre_migration_check do
+  task pre_migration_check: :environment do
     version = ActiveRecord::Base.connection.select_one("SELECT current_setting('server_version_num') AS v")['v'].to_i
     abort 'This version of Mastodon requires PostgreSQL 9.5 or newer. Please update PostgreSQL before updating Mastodon' if version < 90_500
   end