Function ArchiveFiles

pkg/util/fsutil/fsutil.go:1358–1420

* use - TBD func createDummyFile(src, dst string) error { _, err := os.Stat(dst) if err != nil && os.IsNotExist(err) { f, err := os.Create(dst) if err != nil { return err } defer f.Close() f.WriteString(" ") s, err := os.Open(src) if err != nil { return err } defer s.Clo

(afname string,
	files []string,
	removePath bool,
	addPrefix string)

///////////////////////////////////////////////////////////////////////////////

func ArchiveFiles(afname string,
	files []string,
	removePath bool,
	addPrefix string) error {
	tf, err := os.Create(afname)
	if err != nil {
		return err
	}

	defer close(tf)

	tw := tar.NewWriter(tf)
	defer close(tw)

	fpRewrite := func(filePath string,
		removePath bool,
		addPrefix string) string {
		if removePath {
			filePath = filepath.Base(filePath)
		}

		if addPrefix != "" {
			filePath = fmt.Sprintf("%s%s", addPrefix, filePath)
		}

		return filePath
	}

	for _, fname := range files {
		if Exists(fname) && IsRegularFile(fname) {
			info, err := os.Stat(fname)
			if err != nil {
				log.Errorf("fsutil.ArchiveFiles: bad file - %s - %v", fname, err)
				return err
			}

			th, err := tar.FileInfoHeader(info, "")
			if err != nil {
				return err
			}

			th.Name = fpRewrite(fname, true, addPrefix)
			if err := tw.WriteHeader(th); err != nil {
				return err
			}

			f, err := os.Open(fname)
			if err != nil {
				return err
			}

			defer close(f)
			if _, err := io.CopyN(tw, f, th.Size); err != nil {
				return fmt.Errorf("cannot write %s file: %w", fname, err)
			}
		} else {
			log.Errorf("fsutil.ArchiveFiles: bad file - %s", fname)
			return fmt.Errorf("bad file - %s", fname)