*/
    public void addAttachedArtifact(Artifact artifact) throws DuplicateArtifactAttachmentException {
        // if already there we remove it and add again
        int index = attachedArtifacts.indexOf(artifact);
        if (index >= 0) {
            LOGGER.warn("artifact '{}' already attached, replacing previous instance", artifact);

                    }
                }

                // TODO should this be inside the above check?
                // touch file so that this is not checked again until interval has passed
                if (file.exists()) {
                    file.setLastModified(System.currentTimeMillis());
                }
            }
        }

        try {