/**
* @param $fileName string
* @return \Gitonomy\Git\Blob
*/
protected function getFile($fileName)
{
try {
return $this->getEntry($this->commit->getTree(), $fileName);
} catch (GitReferenceNotFoundException $e) {
throw new ReferenceNotFoundException($e->getMessage());
} catch (GitInvalidArgumentException $e) {
throw new InvalidArgumentException($e->getMessage());
}
}
