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<?php
namespace Drupal\Core\Command;
use Drupal\Core\Database\Connection;
use Drupal\Core\Database\Database;
use Drupal\Core\Database\SchemaObjectExistsException;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
/**
* Provides a command to import the current database from a script.
*
* This script runs on databases exported using using one of the database dump
* commands and imports it into the current database connection.
*
* @see \Drupal\Core\Command\DbImportApplication
*/
class DbImportCommand extends DbCommandBase {
/**
* {@inheritdoc}
*/
protected function configure() {
parent::configure();
$this->setName('import')
->setDescription('Import database from a generation script.')
->addArgument('script', InputOption::VALUE_REQUIRED, 'Import script');
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output) {
$script = $input->getArgument('script');
if (!is_file($script)) {
$output->writeln('File must exist.');
return;
}
$connection = $this->getDatabaseConnection($input);
$this->runScript($connection, $script);
$output->writeln('Import completed successfully.');
}
/**
* Run the database script.
*
* @param \Drupal\Core\Database\Connection $connection
* Connection used by the script when included.
* @param string $script
* Path to dump script.
*/
protected function runScript(Connection $connection, $script) {
$old_key = Database::setActiveConnection($connection->getKey());
if (substr($script, -3) == '.gz') {
$script = "compress.zlib://$script";
}
try {
require $script;
}
catch (SchemaObjectExistsException $e) {
throw new \RuntimeException('An existing Drupal installation exists at this location. Try removing all tables or changing the database prefix in your settings.php file.');
}
Database::setActiveConnection($old_key);
}
}