try {
$installer = InstallerOverrides::getCliInstaller( $siteName, $adminName, $this->mOptions );
} catch ( \MediaWiki\Installer\InstallException $e ) {
try {
$installer = InstallerOverrides::getCliInstaller( $siteName, $adminName, $this->mOptions );
} catch ( \MediaWiki\Installer\InstallException $e ) {