anchor.diff:    pkgs,
     pigz,
     nix,
  -  perl,
     runCommand,
     rsync,
     shadow,
  
positive.code:   referencesByPopularity,
    writeScript,
    writeText,
  }:
  
  # WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future.
  
negative.code:       set -e
        export PATH=${coreutils}/bin:/bin
        ${text}
      '';
  
    # Create $maxLayers worth of Docker Layers, one layer per store path
  