anchor.diff:  
           start = [
             auto-pairs
  -          commentary
             fzf-vim
             gitgutter
             lightline-vim
  
positive.code:         noremap! <expr> <C-j> pumvisible() ? "\<C-n>" : "\<C-j>"
          noremap! <expr> <C-k> pumvisible() ? "\<C-p>" : "\<C-k>"
  
          " endwise
          let g:endwise_no_mappings = v:true
          imap <expr> <CR> pumvisible() ? "\<C-y>" : "\<CR><Plug>DiscretionaryEnd"
          imap <script> <C-X><CR> <CR><SID>AlwaysEnd
  
          "" fzf
          let g:fzf_layout = { 'down': '40%' }
          function! RipgrepFzf(query, fullscreen)
  
negative.code:     vimAlias = true;
      vimdiffAlias = true;
  
      extraPackages = with pkgs; [ coreutils ctags pkgs.unstable.fzf git ];
  
      configure = {
        customRC = ''
  