anchor.diff: -{ go, parallel, lib }:
  +{ deterministic-zip, go, parallel, lib }:
   
   { name, buildInputs ? [], nativeBuildInputs ? [], passthru ? {}, preFixup ? ""
   
  
positive.code: 
      pushd "$NIX_BUILD_TOP" >/dev/null
      mkdir -p "$out/share/go"
      tar --sort=name --owner=0 --group=0 --numeric-owner \
        --mode=go=rX,u+rw,a-s \
        --mtime=@946713600 \
        -c "${name}" | brotli -6 > "$out/share/go/files.tar.br"
      popd >/dev/null
  
      mkdir -p $bin
  
negative.code:   (builtins.removeAttrs args [ "extraSrcs" "goPackageAliases" "disabled" ]) // {
  
    name = "go${go.meta.branch}-${name}";
    nativeBuildInputs = [ deterministic-zip go parallel ]
      ++ nativeBuildInputs;
    buildInputs = [ go ] ++ buildInputs;
  
  