Function Path

lib/transform/transform.go:43–78

Path transforms a path s according to the --name-transform options in use If no transforms are in use, s is returned unchanged

(ctx context.Context, s string, isDir bool)

//
// If no transforms are in use, s is returned unchanged
func Path(ctx context.Context, s string, isDir bool) string {
	if !Transforming(ctx) {
		return s
	}

	old := s
	opt, err := getOptions(ctx)
	if err != nil {
		err = fs.CountError(ctx, err)
		fs.Errorf(s, "Failed to parse transform flags: %v", err)
	}
	for _, t := range opt {
		if isDir && t.tag == file {
			continue
		}
		baseOnly := !isDir && t.tag == file
		if t.tag == dir && !isDir {
			s, err = transformDir(s, t)
		} else {
			s, err = transformPath(s, t, baseOnly)
		}
		if err != nil {
			err = fs.CountError(ctx, fserrors.NoRetryError(err))
			fs.Errorf(s, "Failed to transform: %v", err)
		}
	}
	if old != s {
		fs.Debugf(old, "transformed to: %v", s)
	}
	if strings.Count(old, "/") != strings.Count(s, "/") {
		err = fs.CountError(ctx, fserrors.NoRetryError(fmt.Errorf("number of path segments must match: %v (%v), %v (%v)", old, strings.Count(old, "/"), s, strings.Count(s, "/"))))
		fs.Errorf(old, "%v", err)
		return old
	}
	return s
}

// transformPath transforms a path string according to the chosen TransformAlgo.
// Each path segment is transformed separately, to preserve path separators.