return this;
    }

    @Override
    public File getUserSettingsFile() {
        return userSettingsFile;
    }

    @Override
    public DefaultSettingsBuildingRequest setUserSettingsFile(File userSettingsFile) {
        this.userSettingsFile = userSettingsFile;

        return this;
    }

    @Override
    public SettingsSource getUserSettingsSource() {

        writeSettingsFile(locations.userSettingsFile, repo1)
        writeSettingsFile(locations.globalSettingsFile, repo2)

        expect:
        locator.localMavenRepository == repo1
    }

    def "ignores changes to maven settings file after initial load"() {
        when:
        writeSettingsFile(locations.userSettingsFile, repo1)

        then:

        File userSettingsFile;

        if (commandLine.hasOption(CLIManager.ALTERNATE_USER_SETTINGS)) {
            userSettingsFile = new File(commandLine.getOptionValue(CLIManager.ALTERNATE_USER_SETTINGS));
            userSettingsFile = resolveFile(userSettingsFile, workingDirectory);

            if (!userSettingsFile.isFile()) {

    }

    public Settings buildSettings() throws IOException, XmlPullParserException {
        File userSettingsFile = getFile(
                "${user.home}/.m2/settings.xml", "user.home", MavenSettingsBuilder.ALT_USER_SETTINGS_XML_LOCATION);

        return buildSettings(userSettingsFile);
    }

    public Settings buildSettings(boolean useCachedSettings) throws IOException, XmlPullParserException {

    /**
     * @param userSettingsFile a given user settings file
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings(File userSettingsFile) throws IOException, XmlPullParserException;

    /**
     * @param userSettingsFile a given user settings file

    private final TestDirectoryProvider temporaryFolder
    private boolean initialized = false
    private TestFile userHomeDir
    private TestFile userM2Directory
    private TestFile userSettingsFile
    private TestFile globalMavenDirectory
    private TestFile globalSettingsFile
    private TestFile isolatedMavenRepoForLeakageChecks
    private boolean isolateMavenLocal = true

        return this;
    }

    // Settings files

    @Override
    public File getUserSettingsFile() {
        return userSettingsFile;
    }

    @Override
    public MavenExecutionRequest setUserSettingsFile(File userSettingsFile) {
        this.userSettingsFile = userSettingsFile;

        return this;
    }

    @Override
    public File getProjectSettingsFile() {

     * settings file and a global settings file are given, the user settings take precedence.
     *
     * @param userSettingsFile The user settings file, may be {@code null} to disable user settings.
     * @return This request, never {@code null}.
     */
    SettingsBuildingRequest setUserSettingsFile(File userSettingsFile);

    /**
     * Gets the user settings source.
     *

    }

    def "fail with meaningful error message if settings.xml is invalid"() {
        given:
        m2.userSettingsFile << "invalid content"

        when:
        runAndFail 'retrieve'

        then:
        failure.assertHasCause("Unable to parse local Maven settings: " + m2.userSettingsFile.absolutePath)
    }

    def "mavenLocal is ignored if no local maven repository exists"() {
        given:

    boolean isProjectPresent();

    MavenExecutionRequest setProjectPresent(boolean isProjectPresent);

    File getUserSettingsFile();

    MavenExecutionRequest setUserSettingsFile(File userSettingsFile);

    File getProjectSettingsFile();

    MavenExecutionRequest setProjectSettingsFile(File projectSettingsFile);

    File getGlobalSettingsFile();