}

    /**
     * Creates a {@link RestIntegTestTask} task with the source set of the same name
     */
    public static Provider<RestIntegTestTask> registerTestTask(Project project, SourceSet sourceSet) {
        return registerTestTask(project, sourceSet, sourceSet.getName());
    }

    /**
     * Creates a {@link RestIntegTestTask} task with a custom name for the provided source set
     */

  }

  /**
   * Submits a blocking task for the given {@link Future} to provide {@link ListenableFuture}
   * functionality.
   *
   * <p><b>Warning:</b> If the input future does not already implement {@code ListenableFuture}, the
   * returned future will emulate {@link ListenableFuture#addListener} by submitting a task to the
   * given executor at the first call to {@code addListener}. The task must be started by the

import org.elasticsearch.gradle.jarhell.JarHellTask;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.tasks.TaskProvider;

public class JarHellPrecommitPlugin extends PrecommitPlugin {
    @Override
    public TaskProvider<? extends Task> createTask(Project project) {
        project.getPluginManager().apply(JarHellPlugin.class);

        def result = gradleRunner("test", '-Dtests.seed=default', '-Pfoo=bar').build()

        then:
        result.task(':test').outcome == TaskOutcome.SUCCESS

        when:
        result = gradleRunner("test", '-i', '-Dtests.seed=default', '-Pfoo=baz').build()

        then:
        result.task(':test').outcome == TaskOutcome.UP_TO_DATE
    }

import org.elasticsearch.gradle.internal.conventions.precommit.PrecommitPlugin;
import org.elasticsearch.gradle.util.GradleUtils;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.tasks.TaskProvider;

import javax.inject.Inject;
import java.util.stream.Collectors;

 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.gradle.internal;

import org.gradle.api.Task;

            if (project.getGradle().getStartParameter().isBuildCacheEnabled()) {
                c.args("--build-cache");
            }
            c.doLast(new Action<Task>() {
                @Override
                public void execute(Task task) {
                    if (expectedOutputFile.exists() == false) {
                        throw new InvalidUserDataException(

			if serverDebugLog {
				fmt.Printf("Task in the queue: %#v\n", task)
			}
		default:
			// task queue is full, no more workers, we shall move on and heal later.
			return nil
		}
		// Don't wait for result
		return nil
	}

	// respCh must be set to wait for result.
	// We make it size 1, so a result can always be written
	// even if we aren't listening.

          throw new TimeoutException("Timeout waiting for task.");
        }

        return getValue();
      }

      /**
       * Blocks until {@link #complete(Object, Throwable, int)} has been successfully called. Throws
       * a {@link CancellationException} if the task was cancelled, or a {@link ExecutionException}
       * if the task completed with an error.
       */

    final @Nullable Runnable task;
    // null only for TOMBSTONE
    final @Nullable Executor executor;

    // writes to next are made visible by subsequent CAS's on the listeners field
    @Nullable Listener next;

    Listener(Runnable task, Executor executor) {
      this.task = task;
      this.executor = executor;
    }

    Listener() {
      this.task = null;
      this.executor = null;