File checkoutDir = checkout(fsOps, execOps, remoteUri.get(), ref.get(), temporaryDir)
        moveToOutputDir(checkoutDir, outputDirectory, subdirectory.getOrNull())
    }

    private static File cleanTemporaryDir(FileSystemOperations fsOps, File tmpDir) {
        if (tmpDir.exists()) {
            fsOps.delete {
                it.delete(tmpDir)
            }
        }
        return tmpDir
    }