Function zeroCompressMavenRepo

build.gradle.kts:527–559

}

fun zeroCompressMavenRepo(source: Path, destination: Path, validateArchives: Boolean, logger: Logger) {
	val normalizedSource = source.normalizedAbsolute()
	val normalizedDestination = destination.normalizedAbsolute()

	require(Files.isDirectory(normalizedSource)) {
		"Maven repository directory does not exist or is not a directory: $normalizedSource"
	}
	require(!normalizedDestination.startsWith(normalizedSource)) {
		"Zero-compressed output directory must not be inside the input repository: $normalizedDestination"
	}

	Files.createDirectories(normalizedDestination)

	normalizedSource.toFile().walkTopDown()
		.filter { it.isFile }
		.forEach { file ->
			val sourceFile = file.toPath()
			val targetFile = normalizedDestination.resolve(normalizedSource.relativize(sourceFile))

			Files.createDirectories(targetFile.parent)

			when (file.extension.lowercase()) {
				"aar", "jar" -> {
					zeroCompressArchive(sourceFile, targetFile)
					if (validateArchives) {
						validateZeroCompressedArchive(sourceFile, targetFile)
					}
					logger.lifecycle("Zero-compressed ${sourceFile.relativeTo(normalizedSource)}")
				}
				else -> Files.copy(sourceFile, targetFile, StandardCopyOption.REPLACE_EXISTING)
			}
		}
}

fun zeroCompressArchive(source: Path, destination: Path) {
	ZipInputStream(Files.newInputStream(source).buffered()).use { input ->