INNER CODE UNIT · Go

source

offen/docker-volume-backup · cmd/backup/config_provider.go:130

func source(path string) (map[string]string, error) {
	f, err := os.Open(path)
	if err != nil {
		return nil, errwrap.Wrap(err, fmt.Sprintf("error opening %s", path))
	}

	result := map[string]string{}
	scanner := bufio.NewScanner(f)
	for scanner.Scan() {
		line := scanner.Text()
		line = strings.TrimSpace(line)
		if strings.HasPrefix(line, "#") {
			continue
		}
		withExpansion, err := shell.Expand(line, nil)
		if err != nil {
			return nil, errwrap.Wrap(err, "error expanding env")
		}

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