private function renderCommitTooltip(PhabricatorRepositoryCommit $commit, $author)
 {
     $viewer = $this->getRequest()->getUser();
     $date = phabricator_date($commit->getEpoch(), $viewer);
     $summary = trim($commit->getSummary());
     return "{$summary}\n{$date} · {$author}";
 }
 private function renderCommitTooltip(PhabricatorRepositoryCommit $commit, array $handles, $author)
 {
     $viewer = $this->getRequest()->getUser();
     $date = phabricator_date($commit->getEpoch(), $viewer);
     $summary = trim($commit->getSummary());
     if ($commit->getAuthorPHID()) {
         $author = $handles[$commit->getAuthorPHID()]->getName();
     }
     return "{$summary}\n{$date} · {$author}";
 }