task.setDestinationDir(generatedJavadocDirectory.get().getAsFile());

            if (BuildEnvironment.INSTANCE.getJavaVersion().isJava11Compatible()) {
                // TODO html4 output was removed in Java 13, see https://bugs.openjdk.org/browse/JDK-8215578
                options.addBooleanOption("html4", true);
                options.addBooleanOption("-no-module-directories", true);

                FileSystemOperations fs = getFs();

            attributes.put("website", "https://gradle.org");
            // TODO: This breaks the provider
            attributes.put("javaApi", extension.getJavadocs().getJavaApi().get().toString());
            attributes.put("jdkDownloadUrl", "https://jdk.java.net/");
            // TODO: This is coupled to extension.getJavadocs().getJavaApi()

        // Turn Gradle Jira issue numbers into issue links
        rewritten = rewritten.replaceAll("GRADLE-\\d+", "<a href=\"https://issues.gradle.org/browse/$0\">$0</a>");
        // Turn Gradle Github issue numbers into issue links
        rewritten = rewritten.replaceAll("(gradle/[a-zA-Z\\-_]+)#(\\d+)", "<a href=\"https://github.com/$1/issues/$2\">$0</a>");
        document.body().html(rewritten);

        return new StringReader(document.toString());

            task.getDsldocUrl().convention("../dsl");
            task.getJavadocUrl().convention("../javadoc");
            task.getWebsiteUrl().convention("https://gradle.org");

            task.getDestFile().convention(dslReference.getStagingRoot().file("index.xml"));
        });

        Configuration userGuideTask = project.getConfigurations().create("userGuideTask");

    }

    private static URI toUri(File projectRootDir, File file, String commitId) {
        try {
            URI relativeLocation = projectRootDir.toURI().relativize(file.toURI());
            return new URI("https://github.com/gradle/gradle/blob/" + commitId + "/" + relativeLocation);
        } catch (URISyntaxException e) {
            throw new RuntimeException(e);
        }
    }

    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

    /**

        }
        executionMode = ExecutionMode.valueOf(args[0]);
        if (executionMode == ExecutionMode.KILL_PROCESSES_STARTED_BY_GRADLE && !Boolean.parseBoolean(System.getenv("GRADLE_RUNNER_FINISHED"))) {
            // https://github.com/gradle/gradle-private/issues/3991
            System.out.println("Gradle runner not finished correctly (the build may be canceled). Fall back to KILL_ALL_GRADLE_PROCESSES.");

            return classNameElement;
        }

        if (className.startsWith("java.")) {
            Element linkElement = document.createElement("ulink");
            linkElement.setAttribute("url", String.format("https://docs.oracle.com/javase/%s/docs/api/%s.html", javaVersion,
                    className.replace(".", "/")));
            Element classNameElement = document.createElement("classname");

import org.gradle.work.DisableCachingByDefault;

import javax.inject.Inject;
import java.util.Arrays;

/**
 * Serves the given directory with a simple HTTP server.
 */
@DisableCachingByDefault(because = "This task starts a HTTP server and should not be cached.")
public abstract class ServeDocs extends DefaultTask {
    @InputFiles
    @PathSensitive(PathSensitivity.RELATIVE)

 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,