constant MigrateUpgradeForm::MIGRATE_UPGRADE_ROLLBACK in Migrate Upgrade 8

If a migration has previously run, roll it back and start fresh.

File

src/Form/MigrateUpgradeForm.php, line 37

Contains \Drupal\migrate_upgrade\Form\MigrateUpgradeForm.

Class

MigrateUpgradeForm

Defines a multi-step form for performing direct site upgrades.

Namespace

Drupal\migrate_upgrade\Form

Code

const MIGRATE_UPGRADE_ROLLBACK = 2;