$tree = $repository->getBranchTree($branch);
if (false === $tree) {
return $app->abort(404, 'Invalid commit or tree reference: ' . $branch);
}
$file = $app['cache.archives'] . DIRECTORY_SEPARATOR
. $repo . DIRECTORY_SEPARATOR
. substr($tree, 0, 2) . DIRECTORY_SEPARATOR
. substr($tree, 2)
. '.'
. $format;
if (!file_exists($file)) {
$repository->createArchive($tree, $file, $format);
}
return new StreamedResponse(function () use ($file) {
readfile($file);
}, 200, array(
'Content-type' => ('zip' === $format) ? 'application/zip' : 'application/x-tar',
'Content-Description' => 'File Transfer',
'Content-Disposition' => 'attachment; filename="'.$repo.'-'.substr($tree, 0, 6).'.'.$format.'"',
'Content-Transfer-Encoding' => 'binary',
));
})->assert('format', '(zip|tar)')