anchor.diff:          fetch \
           --loading_phase_threads=1 \
           $bazelFlags \
  +        $bazelFetchFlags \
           $bazelTarget
   
         runHook postBuild
  
positive.code:   fFetchAttrs = fArgs // removeAttrs fetchAttrs [ "sha256" ];
  
  in stdenv.mkDerivation (fBuildAttrs // {
    inherit name bazelFlags bazelTarget;
  
    deps = stdenv.mkDerivation (fFetchAttrs // {
      name = "${name}-deps";
      inherit bazelFlags bazelTarget;
  
      nativeBuildInputs = fFetchAttrs.nativeBuildInputs or [] ++ [ bazel ];
  
  
negative.code:       "''${host_linkopts[@]}" \
        '' + ''
        $bazelFlags \
        $bazelBuildFlags \
        $bazelTarget
  
      runHook postBuild
  