/**
* Gets the SHA1 hash of the object
* @return sting
*/
public function getSHA1()
{
if (!$this->sha1) {
$this->sha1 = sha1(\gihp\Parser\File::exportObject($this));
}
return $this->sha1;
}
public function readHead()
{
$file = $this->path . '/HEAD';
if (!is_file($file)) {
throw new \RuntimeException('HEAD not found');
}
$data = file_get_contents($file);
return \gihp\Parser\File::importSymRef($this, $data);
}