s = file.getAbsolutePath();
        } else {
            // an ordinary relative path, align with project directory
            s = new File(new File(basedir, s).toURI().normalize()).getAbsolutePath();
        }

        return s;
    }

    private String stripBasedirToken(String s) {
        if (s != null) {
            String basedirExpr = null;

    assertThrows(IllegalArgumentException.class, () -> Resources.getResource(tempFile.getName()));

    // Now set the context loader to one that should find the resource.
    URL baseUrl = tempFile.getParentFile().toURI().toURL();
    URLClassLoader loader = new URLClassLoader(new URL[] {baseUrl});
    ClassLoader oldContextLoader = Thread.currentThread().getContextClassLoader();
    try {

        LocalRepository localRepository = s.createLocalRepository(localRepoPath);
        RemoteRepository remoteRepository = s.createRemoteRepository(
                RemoteRepository.CENTRAL_ID, remoteRepoPath.toUri().toString());
        session = s.withLocalRepository(localRepository).withRemoteRepositories(List.of(remoteRepository));
    }

    @Test

      // If the user specifies a proxy, try that and only that.
      if (proxy != null) return listOf(proxy)

      // If the URI lacks a host (as in "http://</"), don't call the ProxySelector.
      val uri = url.toUri()
      if (uri.host == null) return immutableListOf(Proxy.NO_PROXY)

      // Try each of the ProxySelector choices until one connection succeeds.
      val proxiesOrNull = address.proxySelector.select(uri)

    if (testFileUrl == null) {
      throw new RuntimeException("unable to locate testdata directory");
    }

    if (testFileUrl.getProtocol().equals("file")) {
      try {
        File testFile = new File(testFileUrl.toURI());
        testDir = testFile.getParentFile(); // the testdata directory
      } catch (Exception ignore) {
        // probably URISyntaxException or IllegalArgumentException

    assertThrows(IllegalArgumentException.class, () -> Resources.getResource(tempFile.getName()));

    // Now set the context loader to one that should find the resource.
    URL baseUrl = tempFile.getParentFile().toURI().toURL();
    URLClassLoader loader = new URLClassLoader(new URL[] {baseUrl});
    ClassLoader oldContextLoader = Thread.currentThread().getContextClassLoader();
    try {

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(mavenRepositorySystem.buildArtifactRepository(repository));
    }

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(RepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(repositorySystem.buildArtifactRepository(repository));
    }

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(repositorySystem.buildArtifactRepository(repository));
    }

        final RemoteRepository remoteRepository = new RemoteRepository.Builder(
                        MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID,
                        "default",
                        repoDir.toURI().toASCIIString())
                .build();

        return Collections.singletonList(remoteRepository);
    }