fun Project.systemProperty(propertyName: String) = providers.systemProperty(propertyName)


fun Project.environmentVariable(propertyName: String) = providers.environmentVariable(propertyName)


fun Project.propertyFromAnySource(propertyName: String) = gradleProperty(propertyName)
    .orElse(systemProperty(propertyName))
    .orElse(environmentVariable(propertyName))

                Logger logger = project.getLogger();
                String bwcBranch = this.gitExtension.getBwcBranch().get();
                final String refspec = providerFactory.systemProperty("bwc.refspec." + bwcBranch)
                    .orElse(providerFactory.systemProperty("tests.bwc.refspec." + bwcBranch))
                    .getOrElse(remote.get() + "/" + bwcBranch);

                String effectiveRefSpec = maybeAlignedRefSpec(logger, refspec);

  integTestImplementation "org.xmlunit:xmlunit-core:2.8.2"
}

tasks.register("integTest", Test) {
  inputs.dir(file("src/testKit")).withPropertyName("testkit dir").withPathSensitivity(PathSensitivity.RELATIVE)
  systemProperty 'test.version_under_test', version
  testClassesDirs = sourceSets.integTest.output.classesDirs
  classpath = sourceSets.integTest.runtimeClasspath
  useJUnitPlatform()
}

                task,
                fixtureProject,
                true,
                (name, host) -> task.getExtensions().getByType(SystemPropertyCommandLineArgumentProvider.class).systemProperty(name, host)
            );
        }));

    }

    private void maybeSkipTasks(TaskContainer tasks, Provider<DockerSupportService> dockerSupport, Class<? extends DefaultTask> taskClass) {

            test.systemProperty("es.transport.cname_in_publish_address", "true");

            // Set netty system properties to the properties we configure in jvm.options
            test.systemProperty("io.netty.noUnsafe", "true");
            test.systemProperty("io.netty.noKeySetOptimization", "true");
            test.systemProperty("io.netty.recycler.maxCapacityPerThread", "0");

        SystemPropertyCommandLineArgumentProvider props = task.getExtensions().getByType(SystemPropertyCommandLineArgumentProvider.class);
        props.systemProperty(sysprop, valueSupplier);
    }

    if (System.getProperty("com.google.appengine.runtime.environment") == null) {
      return false;
    }
    try {
      Class.forName("com.google.appengine.api.utils.SystemProperty");
    } catch (ClassNotFoundException e) {
      return false;
    }
    try {
      // If the current environment is null, we're not inside AppEngine.