.withEnvironmentVars([JDK1: new File("/unknown/env").absolutePath, JDK2: firstJavaHome])
            .withArgument("-Porg.gradle.java.installations.paths=${new File("/unknown/path").absolutePath}," + secondJavaHome)
            .withArgument("-Porg.gradle.java.installations.fromEnv=JDK1,JDK2")
            .withArgument("--info")
            .withTasks("show")
            .run()
        then:

        cleanup:
        jdwpClient.close()
    }

    private startWithDebug(int port, String host) {
        executer.withArgument("-Dorg.gradle.debug=true")
            .withArgument("-Dorg.gradle.debug.port=" + port)
            .withArgument("-Dorg.gradle.debug.host=" + host)
            .withTasks("help")
            .start()
    }

                    languageVersion = JavaLanguageVersion.of(${majorVersion})
                }
            }
        """
    }

    AbstractIntegrationSpec withAutoDetection() {
        executer.withArgument("-Porg.gradle.java.installations.auto-detect=true")
        return this as AbstractIntegrationSpec
    }

    /**
     * Usage:
     * <pre>
     *     def jvm1 = Jvm.current()

        def otherJvmMetadata = AvailableJavaHomes.getJvmInstallationMetadata(otherJvm)
        captureJavaHome()
        executer
            .withArgument("-PtoolchainVersion=$otherJvmMetadata.javaVersion")
            .withArgument("-PtoolchainVendor=$otherJvmMetadata.vendor.knownVendor")

        expect:
        succeeds("help")
        assertDaemonUsedJvm(Jvm.current())
    }

            print 'update remote script'
        """

        and:
        executer.withArgument("--offline")
        configurationCacheRun 'ok'

        then:
        configurationCache.assertStateStored()

        and:
        outputDoesNotContain 'update remote script'

        when:
        executer.withArgument("--offline")
        configurationCacheRun 'ok'

        then:

        when:
        GradleExecuter executor = prepareWrapperExecuter(previous, current).withJavaHome(jdk.javaHome)

        then:
        def result = executor.usingExecutable('gradlew').withArgument('help').runWithFailure()
        result.hasErrorOutput("Gradle ${GradleVersion.current().version} requires Java 1.8 or later to run. You are currently using Java ${jdk.javaVersion}.")

        where:

        setupSubproject("subproject2", "Bar", otherJdkMetadata)

        when:
        result = executer
                .withTasks("compileJava")
                .withArgument("--info")
                .run()


        then:
        result.plainTextOutput.matches("(?s).*Compiling with toolchain.*${DefaultJdkCacheDirectory.getInstallFolderName(jdkMetadata)}.*")

        run("a")

        then:
        result.assertTaskSkipped(":a")

        when:
        executer.withArgument("-Dname=b")
        run("a")

        then:
        result.assertTaskNotSkipped(":a")
        file("out.txt").text == "b"

        when:
        executer.withArgument("-Dname=b")
        run("a")

        then:
        result.assertTaskSkipped(":a")
    }

    public static final String ENABLE_CLI = "-D${PROPERTY_NAME}=true"
    final def fixture = new IsolatedProjectsFixture(this)

    void withIsolatedProjects() {
        executer.withArgument(ENABLE_CLI)
    }

    void isolatedProjectsRun(String... tasks) {
        run(ENABLE_CLI, *tasks)
    }

    void isolatedProjectsFails(String... tasks) {
        fails(ENABLE_CLI, *tasks)
    }

        executer.beforeExecute(action)
        executer.withArguments("wrapper", "--gradle-distribution-url", distributionUri.toString()).run()
    }

    void prepareWrapper(URI distributionUri = distribution.binDistribution.toURI(), TestKeyStore keyStore) {
        def executer = new InProcessGradleExecuter(distribution, temporaryFolder)
        executer.withArguments(
            "wrapper",
            "--gradle-distribution-url",