@ -209,8 +209,7 @@ class RemoteFilesystem
// Use COMPOSER_AUTH environment variable if set
if (getenv('COMPOSER_AUTH')) {
$credentials = [];
preg_match('/(.+):(.+)/', getenv('COMPOSER_AUTH'), $credentials);
$credentials = explode(':', getenv('COMPOSER_AUTH'), 2);
if (count($credentials) === 2) {
$this->io->setAuthentication($originUrl, $credentials[0], $credentials[1]);