in src/main/java/com/googlesource/gerrit/plugins/zuul/CommitMessageFetcher.java [35:42]
public String fetch(Project.NameKey p, String rev)
throws RepositoryNotFoundException, IOException {
try (Repository repo = repoManager.openRepository(p);
RevWalk rw = new RevWalk(repo)) {
RevCommit commit = rw.parseCommit(ObjectId.fromString(rev));
return commit.getFullMessage();
}
}