anchor.diff:  
     vim-ultest = buildVimPluginFrom2Nix {
       pname = "vim-ultest";
  -    version = "2021-09-26";
  +    version = "2021-10-05";
       src = fetchFromGitHub {
         owner = "rcarriga";
         repo = "vim-ultest";
  -      rev = "dfea06dc0e8da24338eef3414259055f360449cb";
  -      sha256 = "1h8g3pcwgjlm68rlzb0v9xwbgccklig68pd8i8g18bzw341b622b";
  +      rev = "7861d1925baef8fe3fa313affdfbdcaa6b2af26f";
  +      sha256 = "165klmixdch1nc9cxdldl5yg4q79q58riw0mg0mahqvvr5m1yrw3";
       };
       meta.homepage = "https://github.com/rcarriga/vim-ultest/";
     };
  
positive.code: 
    vim-autoformat = buildVimPluginFrom2Nix {
      pname = "vim-autoformat";
      version = "2021-09-13";
      src = fetchFromGitHub {
        owner = "vim-autoformat";
        repo = "vim-autoformat";
        rev = "a65a58db77ad1b5889a68bedbea890c8161b7f8c";
        sha256 = "1frvyb3xpd4njh7ixg1ywj8x11ga343kqrmrgncb45scv12i7hx4";
      };
      meta.homepage = "https://github.com/vim-autoformat/vim-autoformat/";
    };
  
negative.code: 
    luasnip = buildVimPluginFrom2Nix {
      pname = "luasnip";
      version = "2021-10-05";
      src = fetchFromGitHub {
        owner = "l3mon4d3";
        repo = "luasnip";
        rev = "7ae2627a8088f879272f85b9ac97d346ec554521";
        sha256 = "0agwval3hpkmgr56jnf6x2yhdy5bqzw4z1vcnh2qbp34yi0r5a07";
      };
      meta.homepage = "https://github.com/l3mon4d3/luasnip/";
    };
  