someZip.archiveVersion.get() == project.version
        someZip.archiveBaseName.get() == project.archivesBaseName

        and:
        def someTar = project.tasks.create('someTar', Tar)
        someTar.destinationDirectory.get().asFile == project.distsDirectory.get().asFile
        someTar.archiveVersion.get() == project.version
        someTar.archiveBaseName.get() == project.archivesBaseName
    }

            archiveVersion.set("8.2")
            archiveBaseName.set("gradle-runtime-api")
            destinationDirectory.set(layout.buildDirectory.dir("jars"))
        }

        tasks.register("gradleApiKotlinExtensionsJar", Jar::class){
            archiveVersion.set("8.2")
            archiveBaseName.set("gradle-kotlin-dsl-extensions")

configureJarTasks()

pluginManager.withPlugin("java-base") {
    configureClasspathManifestGeneration()
}

fun configureJarTasks() {
    tasks.withType<Jar>().configureEach {
        archiveBaseName = moduleIdentity.baseName
        archiveVersion = moduleIdentity.version.map { it.baseVersion.version }
        manifest.attributes(
            mapOf(

                id("base")
            }

            task wrongZip(type: Zip) {
                archiveBaseName = "wrong"
            }
            task firstZip(type: Zip) {
                archiveBaseName = "first"
            }
            task secondZip(type: Zip) {
                archiveBaseName = "second"
            }

            configurations {
                consumable("blah") {

            Attributes.Name.IMPLEMENTATION_TITLE.toString() to "Gradle",
            Attributes.Name.IMPLEMENTATION_VERSION.toString() to moduleIdentity.version.map { it.baseVersion.version }
        )
    )
    archiveBaseName = runtimeApiJarName
    into("org/gradle/api/internal/runtimeshaded") {
        from(generateRelocatedPackageList)
    }
    from(apiMapping)
    from(defaultImports)
    from(pluginsManifest)

                artifactId = tasks.jar.get().archiveBaseName.get()
            }
        }
    }
}
----
=====
[.multi-language-sample]
=====
.build.gradle
[source,groovy]
----
subprojects {
    publishing {
        publications {
            mavenJava(MavenPublication) {
                from components.java
                artifactId = jar.archiveBaseName
            }
        }
    }

                ${testFrameworkDependencies}
            }
            jar {
                manifest {
                    attributes 'Manifest-Version': '1.0'
                }
                archiveBaseName = 'testFramework'
            }
        """

        file("src/main/java/org/gradle/BasePlatformTestCase.java") << """
            package org.gradle;
            import junit.framework.TestCase;

            apply plugin: 'java'

            group = 'group'
            version = '1.0'

            task apiJar(type: Jar) {
                from sourceSets.main.output
                archiveBaseName = "root-api"
                exclude "**/impl/**"
            }

            publishing {
                repositories {
                    ivy { url "${ivyRepo.uri}" }
                }

            apply plugin: 'java'

            group = 'group'
            version = '1.0'

            task apiJar(type: Jar) {
                from sourceSets.main.output
                archiveBaseName = "root-api"
                exclude "**/impl/**"
            }

            publishing {
                repositories {
                    maven { url "${mavenRepo.uri}" }
                }

            ${keyInfo.addAsPropertiesScript()}

            signing {
                ${signingConfiguration()}
                sign jar
            }

            jar {
                archiveBaseName = "changed"
                archiveClassifier = "custom"
            }
        """

        when:
        run "signJar"

        then:
        executedAndNotSkipped(":signJar")