Rewrite versioned APK file renaming

[TWiStErRob]

TODO replace with new Variant API transformation.

//			androidTest as ComponentCreationConfig
//			val rename = project.tasks.register<RenameAPK>("renameVersionedPackage${androidTest.name.capitalize()}") {
////				inputFile.set(variant.artifacts.get(SingleArtifact.APK))
////				outputFile.fileProvider(inputFile.map { it.asFile.parentFile.resolve(it.asFile.nameWithoutExtension + "-renamed" + it.asFile.extension) })
//			}
//			androidTest.artifacts.get(SingleArtifact.APK)
//			androidTest.artifacts
//				.use(rename)
//				.wiredWithDirectories(RenameAPK::inputFile, RenameAPK::outputFile)
//				.toTransform(SingleArtifact.APK)
//					renameAPK7(androidTest, androidTest.outputs)

@DisableCachingByDefault(because = "Simple copy")
abstract class RenameAPK : DefaultTask() {

	@get:InputDirectory abstract val inputFile: DirectoryProperty
	@get:OutputDirectory abstract val outputFile: DirectoryProperty

	@TaskAction fun taskAction() {
		inputFile.get().asFile.copyRecursively(outputFile.get().asFile)
		outputFile.get().asFile
//			.listFiles { file -> file.extension == "apk" }
			.listFiles()
			.orEmpty()
			.forEach {
				val target = it.parentFile.resolve(it.name + ".renamed")
				it.renameTo(target)
				target.appendBytes(ByteArray(size = 1))
			}
	}
}