anchor.diff:  {
     packageOverrides = pkgs: with pkgs; rec {
  +
  +    # Override packages
  +    yarn = pkgs.yarn.override { nodejs = nodejs-14_x; };
  +
       myProfile = writeText "my-profile" ''
         export PATH=$HOME/.nix-profile/bin:/nix/var/nix/profiles/default/bin:/sbin:/bin:/usr/sbin:/usr/bin
         export MANPATH=$HOME/.nix-profile/share/man:/nix/var/nix/profiles/default/share/man:/usr/share/man
       '';
  +
       myPackages = pkgs.buildEnv {
         name = "my-packages";
         paths = [
  
positive.code:         nnn
          go
          gitAndTools.delta
          nmap
          shellcheck
          hadolint
  
negative.code:         starship
          passff-host
          ncdu
          universal-ctags
        ];
        pathsToLink = [ "/share" "/bin" "/Applications" ];
        extraOutputsToInstall = [ "man" "doc" ];
  