/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// Package archiver provides a service to archive part of the filesystem into tar archive
package archiver

import (
	"compress/gzip"
	"context"
	"io"
)

// TarGz produces .tar.gz archive of filesystem starting at rootPath
func TarGz(ctx context.Context, rootPath string, output io.Writer) error {
	paths, err := Walker(ctx, rootPath, WithSkipRoot())
	if err != nil {
		return err
	}

	zw := gzip.NewWriter(output)
	//nolint: errcheck
	defer zw.Close()

	err = Tar(ctx, paths, zw)
	if err != nil {
		return err
	}

	return zw.Close()
}