CakePHP shell script to run NoseRub's migrations

gistfile1.php

<?php
/**
 * A simple shell script to run NoseRub's migrations.
 * 
 * Requires the Migration model from NoseRub (http://noserub.com) and a 
 * folder app/config/sql/migrations for the migrations.
 * 
 * Copyright (c) by Daniel Hofstetter (http://cakebaker.42dh.com)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 */
class MigrateShell extends Shell {
  
  public function main() {
    $this->Migration = ClassRegistry::init('Migration');
    $databaseStatus = $this->Migration->getDatabaseStatus();
        
        if ($databaseStatus == 1) {
            $currentMigration = $this->Migration->getCurrentMigration();
            $mostRecentMigration = $this->Migration->getMostRecentMigration();
            
            $this->out('Actual version: #'. $currentMigration);
            $this->out('Updating to #'. $mostRecentMigration);
            
            if ($currentMigration < $mostRecentMigration) {
                $migrations = $this->Migration->getOpenMigrations($currentMigration);
                $this->Migration->migrate($migrations, $currentMigration, $mostRecentMigration);
            
                $this->out('Applying migrations:');
                
                foreach ($migrations['sql'] as $idx => $migration) {
                    $this->out($migration['name']);
                    
                    if (isset($migrations['php'][$idx]['name'])) {
                        $this->out($migrations['php'][$idx]['name']);
                    }
                }
            } else {
              $this->out('Database up-to-date!');
            }
        }
  }
}