if (s != null) {
            String basedirExpr = null;
            for (String expression : BASEDIR_EXPRESSIONS) {
                if (s.startsWith(expression)) {
                    basedirExpr = expression;
                    break;
                }
            }

            if (basedirExpr != null) {
                if (s.length() > basedirExpr.length()) {

    private void addPath(List<String> paths, String path) {
        if (path != null) {
            path = path.trim();
            if (!path.isEmpty()) {
                File file = new File(path);
                if (file.isAbsolute()) {
                    path = file.getAbsolutePath();
                } else if (".".equals(path)) {
                    path = getBasedir().getAbsolutePath();

     * Module information for the path specified at construction time.
     * This map is usually either empty if no module was found, or a singleton map.
     * It may however contain more than one entry if module hierarchy was detected,
     * in which case there is one key per sub-directory.
     *
     * <p>This map may contain null values if the constructor was invoked with {@code resolve}

            // There is no need to check if the build has created any outputs, see MNG-2222.
            boolean projectCompiledDuringThisSession =
                    project.hasLifecyclePhase("compile") && COMPILE_PHASE_TYPES.contains(type);

            // Check if the project is part of the session (not filtered by -pl, -rf, etc). If so, we check

        Parent parent = childModel.getParent();
        if (parent != null) {
            parentData = readParentLocally(childModel, childSource, request, problems);
            if (parentData == null) {
                parentData = readParentExternally(childModel, request, problems);
            }

            Model parentModel = parentData.model();
            if (!"pom".equals(parentModel.getPackaging())) {

            if (token.startsWith("[")) {
                ranges.add(new RangeValue(token.replace("[", ""), true));
            } else if (token.startsWith("(")) {
                ranges.add(new RangeValue(token.replace("(", ""), false));
            } else if (token.endsWith("]")) {
                ranges.add(new RangeValue(token.replace("]", ""), true));
            } else if (token.endsWith(")")) {

            boolean isBlankVersion = descriptor.getRequiredMavenVersion() == null
                    || descriptor.getRequiredMavenVersion().trim().isEmpty();

            if (isBlankVersion) {
                // only take value from underlying POM if plugin descriptor has no explicit Maven requirement
                descriptor.setRequiredMavenVersion(artifact.getProperty("requiredMavenVersion", null));
            }

        Collection<String> scopes = Collections.emptyList();

        if (classpath != null && !classpath.isEmpty()) {
            if (Artifact.SCOPE_COMPILE.equals(classpath)) {
                scopes = Arrays.asList(Artifact.SCOPE_COMPILE, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_PROVIDED);
            } else if (Artifact.SCOPE_RUNTIME.equals(classpath)) {

        if (active && os.getFamily() != null) {
            active = determineFamilyMatch(os.getFamily(), actualOsName);
        }
        if (active && os.getName() != null) {
            active = determineNameMatch(os.getName(), actualOsName);
        }
        if (active && os.getArch() != null) {
            active = determineArchMatch(os.getArch(), actualOsArch);

        public int compareTo(Version o) {
            if (o instanceof DefaultVersion) {
                return delegate.compareTo(((DefaultVersion) o).delegate);
            } else {
                return compareTo(new DefaultVersion(versionScheme, o.asString()));
            }
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }