wagonManager.getArtifact(artifact, repo, null, false);

        assertTrue(artifact.getFile().exists());
        assertEquals("expected", FileUtils.fileRead(artifact.getFile(), "UTF-8"));
    }

    private Artifact createTestPomArtifact(String directory) throws IOException {
        File testData = getTestFile(directory);

        if (artifact == null) {
            return;
        }

        if (Artifact.SCOPE_SYSTEM.equals(artifact.getScope())) {
            File systemFile = artifact.getFile();

            if (systemFile == null) {
                throw new ArtifactNotFoundException("System artifact: " + artifact + " has no file attached", artifact);
            }

        @SuppressWarnings("deprecation")
        List<Artifact> artifacts = project.getCompileArtifacts();
        assertEquals(1, artifacts.size());
        assertThat(artifacts.get(0).getFile().getName(), endsWith("tools.jar"));
    }

            throws PluginDescriptorParsingException, InvalidPluginDescriptorException {
        PluginDescriptor pluginDescriptor = null;

        File pluginFile = pluginArtifact.getFile();

        try {
            if (pluginFile.isFile()) {
                try (JarFile pluginJar = new JarFile(pluginFile, false)) {

        } catch (ArtifactResolutionException e) {
            throw new UnresolvableModelException(e.getMessage(), groupId, artifactId, version, e);
        }

        return new ArtifactModelSource(pomArtifact.getFile(), groupId, artifactId, version);
    }

    record Result(ModelSource source, Parent parent, Exception e) {}

    @Override
    public ModelSource resolveModel(final Parent parent, AtomicReference<Parent> modified)

                .orElse(null);
        if (artifact instanceof DefaultArtifact) {
            org.eclipse.aether.artifact.Artifact a = ((DefaultArtifact) artifact).getArtifact();
            if (Objects.equals(file, a.getFile())) {
                return a;
            }
        }
        return new org.eclipse.aether.artifact.DefaultArtifact(
                artifact.getGroupId(),
                artifact.getArtifactId(),

            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());
                project.addCompileSourceRoot(build.getSourceDirectory());