private String checksumPolicy;

    public ArtifactRepositoryPolicy() {
        this(true, null, null);
    }

    public ArtifactRepositoryPolicy(ArtifactRepositoryPolicy policy) {
        this(policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy());
    }

    public ArtifactRepositoryPolicy(boolean enabled, String updatePolicy, String checksumPolicy) {
        this.enabled = enabled;

        if (snapshots != null) {
            sb.append(LS).append("snapshots: [enabled => ").append(snapshots.isEnabled());
            sb.append(", update => ").append(snapshots.getUpdatePolicy()).append(']');
        }

        if (releases != null) {
            sb.append(LS).append("releases: [enabled => ").append(releases.isEnabled());
            sb.append(", update => ").append(releases.getUpdatePolicy()).append(']');
        }

    }

    private static boolean repositoryPolicyEquals(ArtifactRepositoryPolicy p1, ArtifactRepositoryPolicy p2) {
        if (p1 == p2) {
            return true;
        }

        return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getUpdatePolicy(), p2.getUpdatePolicy());
    }

    private static boolean repositoriesEquals(List<ArtifactRepository> r1, List<ArtifactRepository> r2) {
        if (r1.size() != r2.size()) {

                        rr.getUrl(),
                        rr.getId(),
                        rr.getPolicy(false).isEnabled(),
                        rr.getPolicy(false).getUpdatePolicy(),
                        rr.getPolicy(true).isEnabled(),
                        rr.getPolicy(true).getUpdatePolicy(),
                        rr.getPolicy(false).getChecksumPolicy());

            RepositoryPolicy settingsPolicy) {
        org.apache.maven.api.model.RepositoryPolicy policy = org.apache.maven.api.model.RepositoryPolicy.newBuilder()
                .enabled(Boolean.toString(settingsPolicy.isEnabled()))
                .updatePolicy(settingsPolicy.getUpdatePolicy())
                .checksumPolicy(settingsPolicy.getChecksumPolicy())
                .location("enabled", toLocation(settingsPolicy.getLocation("enabled")))

        org.apache.maven.model.RepositoryPolicy policy = new org.apache.maven.model.RepositoryPolicy();
        policy.setEnabled(profileXmlRepo.isEnabled());
        policy.setUpdatePolicy(profileXmlRepo.getUpdatePolicy());
        policy.setChecksumPolicy(profileXmlRepo.getChecksumPolicy());
        return policy;
    }

        if (snapshots != null) {
            sb.append("snapshots: [enabled => ").append(snapshots.isEnabled());
            sb.append(", update => ").append(snapshots.getUpdatePolicy()).append("]\n");
        }

        if (releases != null) {
            sb.append(" releases: [enabled => ").append(releases.isEnabled());
            sb.append(", update => ").append(releases.getUpdatePolicy()).append("]\n");
        }

    private static boolean policyEquals(RepositoryPolicy p1, RepositoryPolicy p2) {
        if (p1 == p2) {
            return true;
        }
        // update policy doesn't affect contents
        return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getChecksumPolicy(), p2.getChecksumPolicy());
    }

    private static boolean repositoryEquals(RemoteRepository r1, RemoteRepository r2) {
        if (r1 == r2) {

        File file = artifact.getFile();

        ArtifactRepositoryPolicy policy = artifact.isSnapshot() ? repository.getSnapshots() : repository.getReleases();

        if (!policy.isEnabled()) {
            if (getLogger().isDebugEnabled()) {
                getLogger()
                        .debug("Skipping update check for " + artifact + " (" + file + ") from " + repository.getId()

        String updatePolicy = RepositoryPolicy.UPDATE_POLICY_DAILY;
        String checksumPolicy = RepositoryPolicy.CHECKSUM_POLICY_FAIL;
        if (policy != null) {
            enabled = policy.isEnabled();
            if (policy.getUpdatePolicy() != null) {
                updatePolicy = policy.getUpdatePolicy();
            }
            if (policy.getChecksumPolicy() != null) {