protected function recordCommit($commit_identifier, $epoch)
 {
     $repository = $this->getRepository();
     $commit = new PhabricatorRepositoryCommit();
     $commit->setRepositoryID($repository->getID());
     $commit->setCommitIdentifier($commit_identifier);
     $commit->setEpoch($epoch);
     try {
         $commit->save();
         $event = new PhabricatorTimelineEvent('cmit', array('id' => $commit->getID()));
         $event->recordEvent();
         queryfx($repository->establishConnection('w'), 'INSERT INTO %T (repositoryID, size, lastCommitID, epoch)
       VALUES (%d, 1, %d, %d)
       ON DUPLICATE KEY UPDATE
         size = size + 1,
         lastCommitID =
           IF(VALUES(epoch) > epoch, VALUES(lastCommitID), lastCommitID),
         epoch = IF(VALUES(epoch) > epoch, VALUES(epoch), epoch)', PhabricatorRepository::TABLE_SUMMARY, $repository->getID(), $commit->getID(), $epoch);
         $this->commitCache[$commit_identifier] = true;
     } catch (AphrontQueryDuplicateKeyException $ex) {
         // Ignore. This can happen because we discover the same new commit
         // more than once when looking at history, or because of races or
         // data inconsistency or cosmic radiation; in any case, we're still
         // in a good state if we ignore the failure.
         $this->commitCache[$commit_identifier] = true;
     }
     $this->stillWorking();
 }
 private function recordCommit(PhabricatorRepository $repository, $commit_identifier, $epoch, $branch = null)
 {
     $commit = new PhabricatorRepositoryCommit();
     $commit->setRepositoryID($repository->getID());
     $commit->setCommitIdentifier($commit_identifier);
     $commit->setEpoch($epoch);
     $data = new PhabricatorRepositoryCommitData();
     if ($branch) {
         $data->setCommitDetail('seenOnBranches', array($branch));
     }
     try {
         $commit->openTransaction();
         $commit->save();
         $data->setCommitID($commit->getID());
         $data->save();
         $commit->saveTransaction();
         $event = new PhabricatorTimelineEvent('cmit', array('id' => $commit->getID()));
         $event->recordEvent();
         $this->insertTask($repository, $commit);
         queryfx($repository->establishConnection('w'), 'INSERT INTO %T (repositoryID, size, lastCommitID, epoch)
       VALUES (%d, 1, %d, %d)
       ON DUPLICATE KEY UPDATE
         size = size + 1,
         lastCommitID =
           IF(VALUES(epoch) > epoch, VALUES(lastCommitID), lastCommitID),
         epoch = IF(VALUES(epoch) > epoch, VALUES(epoch), epoch)', PhabricatorRepository::TABLE_SUMMARY, $repository->getID(), $commit->getID(), $epoch);
         if ($this->repair) {
             // Normally, the query should throw a duplicate key exception. If we
             // reach this in repair mode, we've actually performed a repair.
             $this->log("Repaired commit '{$commit_identifier}'.");
         }
         $this->setCache($repository, $commit_identifier);
         PhutilEventEngine::dispatchEvent(new PhabricatorEvent(PhabricatorEventType::TYPE_DIFFUSION_DIDDISCOVERCOMMIT, array('repository' => $repository, 'commit' => $commit)));
     } catch (AphrontQueryDuplicateKeyException $ex) {
         $commit->killTransaction();
         // Ignore. This can happen because we discover the same new commit
         // more than once when looking at history, or because of races or
         // data inconsistency or cosmic radiation; in any case, we're still
         // in a good state if we ignore the failure.
         $this->setCache($repository, $commit_identifier);
     }
 }