Function wrap

internal/db/sqlite/db_update.go:99–123

wrap returns the error wrapped with the calling function name and optional extra context strings as prefix. A nil error wraps to nil.

(err error, context ...string)

// wrap returns the error wrapped with the calling function name and
// optional extra context strings as prefix. A nil error wraps to nil.
func wrap(err error, context ...string) error {
	if err == nil {
		return nil
	}

	prefix := "error"
	pc, _, _, ok := runtime.Caller(1)
	details := runtime.FuncForPC(pc)
	if ok && details != nil {
		prefix = strings.ToLower(details.Name())
		if dotIdx := strings.LastIndex(prefix, "."); dotIdx > 0 {
			prefix = prefix[dotIdx+1:]
		}
	}

	if len(context) > 0 {
		for i := range context {
			context[i] = strings.TrimSpace(context[i])
		}
		extra := strings.Join(context, ", ")
		return fmt.Errorf("%s (%s): %w", prefix, extra, err)
	}

	return fmt.Errorf("%s: %w", prefix, err)
}