Gitamin\Http\Controllers\Controller::parseCommitishPathParam PHP Метод

    protected function parseCommitishPathParam($repository, $commitishPath, $repo)
    {
        $commitish = null;
        $path = null;
        $slashPosition = strpos($commitishPath, '/');
        if (strlen($commitishPath) >= 40 && ($slashPosition === false || $slashPosition === 40)) {
            // We may have a commit hash as our commitish.
            $hash = substr($commitishPath, 0, 40);
            if ($repository->hasCommit($hash)) {
                $commitish = $hash;
            }
        }
        if ($commitish === null) {
            $branches = $repository->getBranches();
            $tags = $repository->getTags();
            if ($tags !== null && count($tags) > 0) {
                $branches = array_merge($branches, $tags);
            }
            $matchedBranch = null;
            $matchedBranchLength = 0;
            foreach ($branches as $branch) {
                if (strpos($commitishPath, $branch) === 0 && strlen($branch) > $matchedBranchLength) {
                    $matchedBranch = $branch;
                    $matchedBranchLength = strlen($matchedBranch);
                }
            }
            if ($matchedBranch !== null) {
                $commitish = $matchedBranch;
            } else {
                // We may have partial commit hash as our commitish.
                $hash = $slashPosition === false ? $commitishPath : substr($commitishPath, 0, $slashPosition);
                if ($repository->hasCommit($hash)) {
                    $commit = $repository->getCommit($hash);
                    $commitish = $commit->getHash();
                } else {
                    throw new \Exception('This repository is currently empty. There are no commits.');
                }
            }
        }
        $commitishLength = strlen($commitish);
        $path = substr($commitishPath, $commitishLength);
        if (strpos($path, '/') === 0) {
            $path = substr($path, 1);
        }
        return [$commitish, $path];
    }