anchor.diff:        export GOCACHE=$TMPDIR/go-cache
         export GOPATH="$TMPDIR/go"
         export GOSUMDB=off
  -      export GOPROXY=file://${go-modules}
  -
  +      export GOPROXY=off
         cd "$modRoot"
  +      if [ -n "${go-modules}" ]; then 
  +          rm -rf vendor
  +          ln -s ${go-modules} vendor
  +      fi
   
         runHook postConfigure
       '';
  
positive.code:     inherit (go) GOOS GOARCH;
  
      GO111MODULE = "on";
  
      configurePhase = args.configurePhase or ''
        runHook preConfigure
  
negative.code:       runHook preInstall
  
        # remove cached lookup results and tiles
        cp -r --reflink=auto vendor $out
  
        runHook postInstall
      '';
  
      dontFixup = true;
    }; in modArgs // (
        {
          outputHashMode = "recursive";
          outputHashAlgo = "sha256";
          outputHash = vendorSha256;
        }
    ) // overrideModAttrs modArgs) else "";
  
    package = go.stdenv.mkDerivation (args // {
      nativeBuildInputs = [ removeReferencesTo go ] ++ nativeBuildInputs;
  