- if err != nil {
- return fmt.Errorf("line %d: cannot use path %q: %s", lineno, name, err)
+ if fnode == nil && err == nil && length == 0 {
+ // Special case: an empty file used as
+ // a marker to preserve an otherwise
+ // empty directory in a manifest.
+ continue
+ }
+ if err != nil || (fnode == nil && length != 0) {
+ return fmt.Errorf("line %d: cannot use path %q with length %d: %s", lineno, name, length, err)