} else if (path.getPath().startsWith(File.separator)) {
                // drive-relative Windows path, don't align with base dir but with drive root
                result = path.getAbsoluteFile();
            } else {
                // an ordinary relative path, align with base dir
                result = new File(new File(basedir, path.getPath()).toURI().normalize()).getAbsoluteFile();
            }

     *
     * @param artifact The {@link Artifact} whose path is to be retrieved.
     * @return The {@link Path} to the artifact, or {@code null} if unavailable.
     */
    @Nullable
    Path getPath(@Nonnull Artifact artifact);

    /**
     * Returns a mapping of artifact coordinates to their corresponding resolution results.
     *

        if (metadata != null && metadata.getPath() != null && Files.isRegularFile(metadata.getPath())) {
            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata pluginGroupMetadata =
                        metadataReader.read(metadata.getPath().toFile(), options);

        File file = new File(s);
        if (file.isAbsolute()) {
            // path was already absolute, just normalize file separator and we're done
            s = file.getPath();
        } else if (file.getPath().startsWith(File.separator)) {
            // drive-relative Windows path, don't align with project directory but with drive root
            s = file.getAbsolutePath();
        } else {

    @Test
    void jimFs() throws Exception {
        try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
            invoke(fs.getPath("/cwd"), fs.getPath("/home"), List.of("verify"), List.of());
        }
    }

    @Inject
    public DefaultArtifactManager(@Nonnull InternalMavenSession session) {
        this.session = session;
    }

    @Nonnull
    @Override
    public Optional<Path> getPath(@Nonnull Artifact artifact) {
        String id = id(requireNonNull(artifact, "artifact cannot be null"));
        if (session.getMavenSession().getAllProjects() != null) {

                    syncContext.acquire(null, Collections.singleton(metadata));

                    if (metadata.getPath() != null && Files.exists(metadata.getPath())) {
                        try (InputStream in = Files.newInputStream(metadata.getPath())) {
                            versioning = new Versioning(
                                    new MetadataStaxReader().read(in, false).getVersioning());

import org.apache.maven.api.annotations.Nullable;

/**
 * An XML reader request.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface XmlReaderRequest {

    @Nullable
    Path getPath();

    @Nullable
    Path getRootDirectory();

    @Nullable
    URL getURL();

    @Nullable
    InputStream getInputStream();

    @Nullable
    Reader getReader();

    @Nullable

        if (artifact != null
                && "jar".equals(artifact.getExtension())
                && "".equals(artifact.getClassifier())
                && artifact.getPath() != null) {
            Path artifactPath = artifact.getPath();
            if (Files.isRegularFile(artifactPath)) {
                try (JarFile artifactJar = new JarFile(artifactPath.toFile(), false)) {

        final File baseDirectoryFromRequest = sut.getBaseDirectoryFromRequest(mavenExecutionRequest);

        assertNotNull(baseDirectoryFromRequest);
        assertEquals(new File("path/to/file").getPath(), baseDirectoryFromRequest.getPath());
    }

    @ParameterizedTest
    @ValueSource(strings = {":wrong-selector", "wrong-selector"})
    @EmptySource
    void isMatchingProjectNoMatchOnSelectorReturnsFalse(String selector) {