* depending on how the model was constructed (from filesystem or from repository).
             */
            if (child.getProjectDirectory() != null) {
                childName = child.getProjectDirectory().getFileName().toString();
            }

            for (String module : parent.getModules()) {
                module = module.replace('\\', '/');

        if (path == null) {
            return null;
        }

        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();

        final File basedir = context.getProjectDirectory();

        if (basedir != null) {
            interpolator.addValueSource(new AbstractValueSource(false) {
                @Override
                public Object getValue(String expression) {

    /**
     * Gets the base directory of the current project (if any).
     *
     * @return The base directory of the current project or {@code null} if none.
     */
    File getProjectDirectory();

    /**
     * Gets current calculated project properties
     *
     * @return The project properties, never {@code null}.
     */
    Map<String, String> getProjectProperties();

        if (fromRepo) {
            // when model is read from repo, a stream is used, then pomFile == null
            // (has consequences in inheritance algorithm since getProjectDirectory() returns null)
            parent = Model.newBuilder(parent, true).pomFile(null).build();
            child = Model.newBuilder(child, true).pomFile(null).build();
        }

            task.into(extension.getDocumentationRenderedRoot());
        });

        extension.getSourceRoot().convention(layout.getProjectDirectory().dir("src/docs"));
        extension.getDocumentationRenderedRoot().convention(layout.getBuildDirectory().dir("docs"));
        extension.getStagingRoot().convention(layout.getBuildDirectory().dir("working"));

            task.getReleaseNotes().set(extension.getReleaseNotes().getMarkdownFile());
            task.getMilestone().convention(project.getProviders().fileContents(project.getIsolated().getRootProject().getProjectDirectory().file("version.txt")).getAsText().map(String::trim));
        });

        Configuration jquery = project.getConfigurations().create("jquery", conf -> {

            // TODO: These should be generated too
            userManual.getSnippets().convention(layout.getProjectDirectory().dir("src/snippets"));
            userManual.getSamples().convention(layout.getProjectDirectory().dir("src/samples"));

        this.userProperties = unmodifiable(userProperties);
        return this;
    }

    @Override
    public File getProjectDirectory() {
        return projectDirectory;
    }

    /**
     * Sets the base directory of the current project.
     *

     *         project (e.g. describes the metadata of some artifact from the repository).
     */
    @Deprecated
    public java.io.File getProjectDirectory() {
        return (getDelegate().getProjectDirectory() != null) ? getDelegate().getProjectDirectory().toFile() : null;
    }

    /**
     * Gets the base directory for the corresponding project (if any).
     *