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archiver.go
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archiver.go
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// 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, walkerOptions ...WalkerOption) error {
paths, err := Walker(ctx, rootPath, append(walkerOptions, 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()
}
// UntarGz extracts .tar.gz archive to the rootPath.
func UntarGz(ctx context.Context, input io.Reader, rootPath string) error {
zr, err := gzip.NewReader(input)
if err != nil {
return err
}
//nolint:errcheck
defer zr.Close()
err = Untar(ctx, zr, rootPath)
if err != nil {
return err
}
return zr.Close()
}