eventMsg := fmt.Sprintf("The rollback revision contains the same template as current deployment %q", d.Name)
		dc.emitRollbackWarningEvent(d, deploymentutil.RollbackTemplateUnchanged, eventMsg)
	}

	return performedRollback, dc.updateDeploymentAndClearRollbackTo(ctx, d)
}

func (dc *DeploymentController) emitRollbackWarningEvent(d *apps.Deployment, reason, message string) {
	dc.eventRecorder.Eventf(d, v1.EventTypeWarning, reason, message)
}