anchor.diff:      '';
     };
   } // removeAttrs args [ "name" "version" "purgeTimestamps" "downloadToTemp" "postFetch" "stripRoot" "extraPostFetch" ]))
  -# Hackety-hack: we actually need unzip hooks, too
   (x: {
  -  nativeBuildInputs = x.nativeBuildInputs ++ [
  -    unzip
  -  ];
   }) // {
     inherit purgeTimestamps version;
     deterministic-zip = deterministic-zip';
  
positive.code:     downloadToTemp = true;
  
      postFetch = ''
        export PATH=${unzip}/bin:$PATH
  
        unpackDir="$TMPDIR/unpack"
        rm -rf "$unpackDir"
        mkdir "$unpackDir"
  
negative.code: { lib
  , deterministic-zip
  , fetchurl
  }:
  
  { # Optionally move the contents of the unpacked tree up one level.
  