protected function execMigration() { if (self::$startVersion === null) { self::$startVersion = $this->currentVersion; } $this->files = Sabel_Db_Migration_Manager::getFiles(); if (empty($this->files)) { $this->error("No migration files is found."); exit; } if ($this->toVersionNumber($this->arguments[1]) !== false) { if ($this->_execMigration()) { $this->execNextMigration(); } } }