{ pkgs ? import <nixpkgs> {} }:

#pkgs.stdenv.mkDerivation {
#  name = "dotnet-pack";
#  dontUnpack = true;
#  buildInputs = with pkgs; [ dotnet-sdk dotnet-sdk_7 dotnet-sdk_8 ];
#
#  # Define the build phase
#  buildPhase = ''
#    mkdir -p $out
#    ln -sf ${pkgs.dotnet-sdk}/* $out/
#    ln -sf ${pkgs.dotnet-sdk_7}/* $out/
#    ln -sf ${pkgs.dotnet-sdk_8}/* $out/
#  '';
#}

pkgs.symlinkJoin {
  name = "dotnet-pack";
  paths = [ pkgs.dotnet-sdk_8 pkgs.dotnet-sdk_7 pkgs.dotnet-sdk ];
  postBuild = ''
    rm -rfv $out/bin
    rm -rfv $out/dotnet
    cp -rv ${pkgs.dotnet-sdk_8}/dotnet $out/
    cp -rv ${pkgs.dotnet-sdk_8}/bin $out/
  '';
}