in src/main/java/com/googlesource/gerrit/plugins/hooks/ChangeMerged.java [34:49]
public void onChangeMerged(ChangeMergedListener.Event event) {
HookArgs args = hookFactory.createArgs();
ChangeInfo c = event.getChange();
args.add("--change", c.id);
args.addUrl(c);
args.add("--change-owner", c.owner);
args.add("--project", c.project);
args.add("--branch", c.branch);
args.add("--topic", c.topic);
args.add("--submitter", event.getWho());
args.add("--commit", c.currentRevision);
args.add("--newrev", event.getNewRevisionId());
hook.execute(c.project, args);
}