anchor.diff:                    extraCommands;
           };
         result = runCommand "docker-image-${baseName}.tar.gz" {
  -        nativeBuildInputs = [ jshon pigz coreutils findutils jq ];
  +        nativeBuildInputs = [ jshon pigz coreutils findutils jq moreutils ];
           # Image name and tag must be lowercase
           imageName = lib.toLower name;
           imageTag = if tag == null then "" else lib.toLower tag;
  
positive.code: 
        ${postUmount}
        '');
  
    exportImage = { name ? fromImage.name, fromImage, fromImageName ? null, fromImageTag ? null, diskSize ? 1024 }:
      runWithOverlay {
  
negative.code: 
          nativeBuildInputs = [ utillinux e2fsprogs jshon rsync jq ];
        } ''
        mkdir disk
        mkfs /dev/${vmTools.hd}
        mount /dev/${vmTools.hd} disk
  