anchor.diff:        cp $src $out/themes/abiola.zsh-theme
       '';
     };
  +
  +  # dotnet env var
  +  dotnetRoot = "${pkgs.dotnet-sdk}";
   
   in
   {
  
positive.code: 
        # dotnet tools
        export PATH="$PATH:$HOME/.dotnet/tools"
  
        # git commit editor
        export VISUAL=vim
  
negative.code:   homeDir = builtins.getEnv "HOME";
    isMacOS = builtins.currentSystem == "x86_64-darwin" || builtins.currentSystem == "aarch64-darwin";
    link = config.lib.file.mkOutOfStoreSymlink;
  
    # cross-platform packages
    packages = with pkgs; [
      # things fail to build without these
  