message: fixed impl
diff: @@ -25,7 +25,8 @@ public class GitlabCommitsResponseMapper {
  private Commit map(String repoUrl, String branch, GitlabCommit gitlabCommit) {
  long timestamp = new DateTime(gitlabCommit.getCreatedAt()).getMillis();
  - CommitType commitType = CollectionUtils.isEmpty(gitlabCommit.getParentIds()) ? CommitType.New : CommitType.Merge;
  + int parentSize = CollectionUtils.isNotEmpty(gitlabCommit.getParentIds()) ? gitlabCommit.getParentIds().size() : 0;
  + CommitType commitType = parentSize > 1 ? CommitType.Merge : CommitType.New;
  Commit commit = new Commit();
  commit.setTimestamp(System.currentTimeMillis());
  