a_terrible_thing.txt

February 1, 2016 · View on GitHub

[aaron@TC omglolwut (master)]catlib/tasks/disableautoloadduringmigrations.raketask:disableautoloaddoActiveSupport::Dependencies.classevaldoextendModule.newdefloadfile(path,constpaths=loadableconstantsforpath(path))returnifpath.startswith?File.join(Rails.application.root,′app′,′models′)superendendendRake::Task["db:migrate"].prerequisites<<:disableautoload[aaron@TComglolwut(master)] cat lib/tasks/disable_autoload_during_migrations.rake task :disable_autoload do ActiveSupport::Dependencies.class_eval do extend Module.new { def load_file(path, const_paths = loadable_constants_for_path(path)) return if path.starts_with? File.join(Rails.application.root, 'app', 'models') super end } end end Rake::Task["db:migrate"].prerequisites << :disable_autoload [aaron@TC omglolwut (master)] cat db/migrate/20160201230058_omglol.rb class Omglol < ActiveRecord::Migration[5.0] def change User.delete_all end end [aaron@TC omglolwut (master)]rakedb:migrate==20160201230058Omglol:migrating===========================================rakeaborted!LoadError:UnabletoautoloadconstantUser,expected/Users/aaron/git/omglolwut/app/models/user.rbtodefineit/Users/aaron/git/rails/activesupport/lib/activesupport/dependencies.rb:530:in‘loadmissingconstant′/Users/aaron/git/rails/activesupport/lib/activesupport/dependencies.rb:212:in‘constmissing′/Users/aaron/git/rails/activesupport/lib/activesupport/dependencies.rb:561:in‘loadmissingconstant′/Users/aaron/git/rails/activesupport/lib/activesupport/dependencies.rb:212:in‘constmissing′/Users/aaron/git/omglolwut/db/migrate/20160201230058omglol.rb:3:in‘change′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:794:in‘execmigration′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:778:in‘block(2levels)inmigrate′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:777:in‘blockinmigrate′/Users/aaron/git/rails/activerecord/lib/activerecord/connectionadapters/abstract/connectionpool.rb:398:in‘withconnection′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:776:in‘migrate′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:956:in‘migrate′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1217:in‘blockinexecutemigrationintransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1285:in‘blockinddltransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/connectionadapters/abstract/databasestatements.rb:230:in‘blockintransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/connectionadapters/abstract/transaction.rb:184:in‘withinnewtransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/connectionadapters/abstract/databasestatements.rb:230:in‘transaction′/Users/aaron/git/rails/activerecord/lib/activerecord/transactions.rb:211:in‘transaction′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1285:in‘ddltransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1216:in‘executemigrationintransaction′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1189:in‘blockinmigratewithoutlock′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1188:in‘each′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1188:in‘migratewithoutlock′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1139:in‘migrate′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:1011:in‘up′/Users/aaron/git/rails/activerecord/lib/activerecord/migration.rb:989:in‘migrate′/Users/aaron/git/rails/activerecord/lib/activerecord/tasks/databasetasks.rb:155:in‘migrate′/Users/aaron/git/rails/activerecord/lib/activerecord/railties/databases.rake:58:in‘block(2levels)in<top(required)>′Tasks:TOP=>db:migrate(Seefulltracebyrunningtaskwith−−trace)[aaron@TComglolwut(master)] rake db:migrate == 20160201230058 Omglol: migrating =========================================== rake aborted! LoadError: Unable to autoload constant User, expected /Users/aaron/git/omglolwut/app/models/user.rb to define it /Users/aaron/git/rails/activesupport/lib/active_support/dependencies.rb:530:in `load_missing_constant' /Users/aaron/git/rails/activesupport/lib/active_support/dependencies.rb:212:in `const_missing' /Users/aaron/git/rails/activesupport/lib/active_support/dependencies.rb:561:in `load_missing_constant' /Users/aaron/git/rails/activesupport/lib/active_support/dependencies.rb:212:in `const_missing' /Users/aaron/git/omglolwut/db/migrate/20160201230058_omglol.rb:3:in `change' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:794:in `exec_migration' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:778:in `block (2 levels) in migrate' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:777:in `block in migrate' /Users/aaron/git/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb:398:in `with_connection' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:776:in `migrate' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:956:in `migrate' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1217:in `block in execute_migration_in_transaction' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1285:in `block in ddl_transaction' /Users/aaron/git/rails/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb:230:in `block in transaction' /Users/aaron/git/rails/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb:184:in `within_new_transaction' /Users/aaron/git/rails/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb:230:in `transaction' /Users/aaron/git/rails/activerecord/lib/active_record/transactions.rb:211:in `transaction' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1285:in `ddl_transaction' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1216:in `execute_migration_in_transaction' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1189:in `block in migrate_without_lock' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1188:in `each' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1188:in `migrate_without_lock' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1139:in `migrate' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:1011:in `up' /Users/aaron/git/rails/activerecord/lib/active_record/migration.rb:989:in `migrate' /Users/aaron/git/rails/activerecord/lib/active_record/tasks/database_tasks.rb:155:in `migrate' /Users/aaron/git/rails/activerecord/lib/active_record/railties/databases.rake:58:in `block (2 levels) in <top (required)>' Tasks: TOP => db:migrate (See full trace by running task with --trace) [aaron@TC omglolwut (master)]