Spatie\Backup\Tasks\Backup\BackupJob::run PHP Method

    public function run()
    {
        $this->temporaryDirectory = TemporaryDirectory::create();
        try {
            if (!count($this->backupDestinations)) {
                throw InvalidBackupJob::noDestinationsSpecified();
            }
            $manifest = $this->createBackupManifest();
            if (!$manifest->count()) {
                throw InvalidBackupJob::noFilesToBeBackedUp();
            }
            $zipFile = $this->createZipContainingEveryFileInManifest($manifest);
            $this->copyToBackupDestinations($zipFile);
        } catch (Exception $exception) {
            consoleOutput()->error("Backup failed because {$exception->getMessage()}." . PHP_EOL . $exception->getTraceAsString());
            event(new BackupHasFailed($exception));
        }
        $this->temporaryDirectory->delete();
    }