Gush\Helper\GitHelper::stashBranchName PHP Method

    public function stashBranchName()
    {
        $activeBranch = $this->getActiveBranchName('HEAD');
        if (null === $this->stashedBranch && 'HEAD' !== $activeBranch) {
            $this->stashedBranch = $activeBranch;
        }
    }