anchor.diff:  
     hologram-nvim = buildVimPluginFrom2Nix {
       pname = "hologram-nvim";
  -    version = "2021-05-01";
  +    version = "2021-05-10";
       src = fetchFromGitHub {
         owner = "edluffy";
         repo = "hologram.nvim";
  -      rev = "31108af1a9a4fc842656c6a319ce3decc3baf8e8";
  -      sha256 = "0kgbcggx5kr0h95f2gwpfr1h3wbv73pis8dkmjgmr6gpj70zsk7v";
  +      rev = "975e9fbd0c154deb9c4e212490fb31cfa4257c98";
  +      sha256 = "0xfwwmzmwj9s67jwr7bpazhbwdqpva7yzy4xsdx1l8pmaszni977";
       };
       meta.homepage = "https://github.com/edluffy/hologram.nvim/";
     };
  
positive.code: 
    barbar-nvim = buildVimPluginFrom2Nix {
      pname = "barbar-nvim";
      version = "2021-05-06";
      src = fetchFromGitHub {
        owner = "romgrk";
        repo = "barbar.nvim";
        rev = "566a7ef96e6e935c6e84ddfb73e3a50a7b196638";
        sha256 = "0caglapjgnghp9j1vyk162ch66bhcpgidp2radfiayh5mnifpqv2";
      };
      meta.homepage = "https://github.com/romgrk/barbar.nvim/";
    };
  
negative.code: 
    julia-vim = buildVimPluginFrom2Nix {
      pname = "julia-vim";
      version = "2021-05-10";
      src = fetchFromGitHub {
        owner = "JuliaEditorSupport";
        repo = "julia-vim";
        rev = "ce59786999f4715b5c806a3a2162a1cfcf5e9cfd";
        sha256 = "1c9qyx5zd7ynpm2inws7kkig1zvs6j6j2gg5kl63ngvlcsihd0qk";
      };
      meta.homepage = "https://github.com/JuliaEditorSupport/julia-vim/";
    };
  