{{ $resource := resources.Get . -}} {{- $target_path_formatStr := (replaceRE `(\.[^\.]*)$` ".%d$1" .) -}} {{- $cacheBuster := $resource.Content | crypto.FNV32a -}} {{- $target_path := printf $target_path_formatStr $cacheBuster -}} {{- return resources.Copy $target_path $resource -}}