anchor.diff:            parentID=$(jshon -e $fromImageName -e $fromImageTag -u < image/repositories)
             
             for l in image/*/layer.tar; do
  -            tar -tf $l >> baseFiles
  +            ls_tar $l >> baseFiles
             done
           fi
   
  
positive.code:                then mkPureLayer { inherit baseJson contents extraCommands; }
                 else mkRootLayer { inherit baseJson fromImage fromImageName fromImageTag contents runAsRoot diskSize extraCommands; });
        result = runCommand "${baseName}.tar.gz" {
          buildInputs = [ jshon pigz ];
  
          imageName = name;
          imageTag = tag;
  
negative.code: { stdenv, lib, callPackage, runCommand, writeReferencesToFile, writeText, vmTools, writeScript
  , docker, shadow, utillinux, coreutils, jshon, e2fsprogs, go, pigz, findutils }:
  
  # WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future.
    
  