src/Composer/Downloader/SvnDownloader.php
public function doDownload(PackageInterface $package, $path, $url)
    {
        SvnUtil::cleanEnv();
        $ref = $package->getSourceReference();

        $repo = $package->getRepository();
        if ($repo instanceof VcsRepository) {
            $repoConfig = $repo->getRepoConfig();
            if (array_key_exists('svn-cache-credentials', $repoConfig)) {
                $this->cacheCredentials = (bool) $repoConfig['svn-cache-credentials'];
            }
        }

        $this->io->writeError(" Checking out ".$package->getSourceReference());
        $this->execute($url, "svn co", sprintf("%s/%s", $url, $ref), null, $path);
    }
public function doDownload(PackageInterface $package, $path, $url)
    {
        SvnUtil::cleanEnv();
        $ref = $package->getSourceReference();

        $repo = $package->getRepository();
        if ($repo instanceof VcsRepository) {
            $repoConfig = $repo->getRepoConfig();
            if (array_key_exists('svn-cache-credentials', $repoConfig)) {
                $this->cacheCredentials = (bool) $repoConfig['svn-cache-credentials'];
            }
        }

        $this->io->writeError(" Checking out ".$package->getSourceReference());
        $this->execute($url, "svn co", sprintf("%s/%s", $url, $ref), null, $path);
    }
{@inheritDoc}