migrateCommand top-level property

Implementation

final migrateCommand = MigrateCommand()
  ..addArgument('migration identity',
    help: 'The identity of the migration in the format as you name it in the '
      'migrations directory.\n'
      '${bold('Optional')}.\n'
      'If specified, the database will be migrated up to this version. '
      'Otherwise, the database will be migrated up to the latest version in '
      'the migrations directory.'
  )
  ..argParser.addFlag('rollback',
    abbr: 'r',
    help: 'Allow to rollback the migrations already applied to the database.\n'
      '${bold('Optional')}.\n'
      'It is ${bold('on')} by default, which means all migrations that absent '
      'or differ from local ones will be rolled back before applying new '
      'migrations. It is not recommended to allow rollback in production '
      'environment.',
    defaultsTo: true,
  )
;