final: prev: {
  python3 = prev.python3.override {
    packageOverrides = python-final: python-prev: {
      # spsdk tests fail with timeout on old laptop thinknix
      spsdk = python-prev.spsdk.overridePythonAttrs { doCheck = false; };
    };
  };
  fc-scripts = final.callPackage ./fc-scripts.nix { };
  myVim = prev.neovim.override {
    configure = {
      packages.myVimPackage = with final.pkgs.vimPlugins; {
        # loaded on start
        start = [
          ale
          base16-vim
          LanguageClient-neovim
          ctrlp
          direnv-vim
          fugitive
          haskell-vim
          jedi-vim
          nerdtree
          nerdtree-git-plugin
          supertab
          vim-dirdiff
          vim-pandoc
          vim-pandoc-syntax
          vim-nix
          vim-jinja
          which-key-nvim
        ];
      };
      customRC = builtins.readFile ../home/vimrc;
    };
  };
}