/**
* Get the filename hash component of the directory including trailing slash,
* e.g. f/fa/
* If the repository is not hashed, returns an empty string.
*
* @return string
*/
function getHashPath()
{
if (!isset($this->hashPath)) {
$this->assertRepoDefined();
$this->hashPath = $this->repo->getHashPath($this->getName());
}
return $this->hashPath;
}
