anchor.diff:      mkdir -p $out/bin
       cd ..
       cp -r src $out/
  -    ls -al $out/src
  -    makeWrapper ${mono5}/bin/mono $out/bin/omnisharp \
  +    rm -r $out/src/.msbuild
  +    cp -r ${msbuild}/lib/mono/msbuild $out/src/.msbuild
  +
  +    chmod -R u+w $out/src
  +    mv $out/src/.msbuild/Current/{bin,Bin}
  +
  +    makeWrapper ${mono6}/bin/mono $out/bin/omnisharp \
       --add-flags "$out/src/OmniSharp.exe"
     '';
   
  
positive.code:     homepage = "https://github.com/OmniSharp/omnisharp-roslyn";
      platforms = platforms.linux;
      license = licenses.mit;
      maintainers = with maintainers; [ tesq0 ];
    };
  
  }
  
negative.code: { lib, stdenv
  , fetchurl
  , mono6
  , msbuild
  , dotnet-sdk
  , makeWrapper
  , dotnetPackages
  }:
  
  stdenv.mkDerivation rec {
  