src/Baum/Node.php
public function ancestorsAndSelf() {
    return $this->newNestedSetQuery()
                ->where($this->getLeftColumnName(), '<=', $this->getLeft())
                ->where($this->getRightColumnName(), '>=', $this->getRight());
  }
public function ancestorsAndSelf() {
    return $this->newNestedSetQuery()
                ->where($this->getLeftColumnName(), '<=', $this->getLeft())
                ->where($this->getRightColumnName(), '>=', $this->getRight());
  }
Instance scope which targes all the ancestor chain nodes including
the current one.

@return \Illuminate\Database\Eloquent\Builder