setModel(project.getModel().clone());
        }

        if (project.getOriginalModel() != null) {
            setOriginalModel(project.getOriginalModel());
        }

        setExecutionRoot(project.isExecutionRoot());

        if (project.getArtifact() != null) {
            setArtifact(ArtifactUtils.copyArtifact(project.getArtifact()));
        }

        if (project.getManagedVersionMap() != null) {

        assertEquals("https://project.url/child", pom.getValue("url"));
        assertEquals("https://viewvc.project.url/child", pom.getValue("scm/url"));
        assertEquals("https://scm.project.url/child", pom.getValue("scm/connection"));
        assertEquals("https://scm.project.url/child", pom.getValue("scm/developerConnection"));
        assertEquals("https://site.project.url/child", pom.getValue("distributionManagement/site/url"));

        return rawChildModelVersion.equals("${pom.version}")
                || rawChildModelVersion.equals("${project.version}")
                || rawChildModelVersion.equals("${pom.parent.version}")
                || rawChildModelVersion.equals("${project.parent.version}");
    }

    private ModelSource getParentPomFile(Model childModel, ModelSource source) {

                    project.getGroupId(), project.getArtifactId(), project.getVersion(), null, project.getPackaging());
            project.setArtifact(projectArtifact);

            // only set those on 2nd phase, ignore on 1st pass
            if (project.getFile() != null) {
                Build build = project.getBuild().getDelegate();
                project.addScriptSourceRoot(build.getScriptSourceDirectory());

    private static final Pattern EXPRESSION_NAME_PATTERN = Pattern.compile("\\$\\{(.+?)}");
    private static final Pattern EXPRESSION_PROJECT_NAME_PATTERN = Pattern.compile("\\$\\{(project.+?)}");

    private static final String ILLEGAL_FS_CHARS = "\\/:\"<>|?*";

    private static final String ILLEGAL_VERSION_CHARS = ILLEGAL_FS_CHARS;