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: 
    nvim-dap = buildVimPluginFrom2Nix {
      pname = "nvim-dap";
      version = "2021-05-07";
      src = fetchFromGitHub {
        owner = "mfussenegger";
        repo = "nvim-dap";
        rev = "f0c43dca363a52acf2b8e5a62363f2def40139f8";
        sha256 = "0dmzk93d7xpiyvavsg7s3snfrcpnsyl2is87bild6vj9l13hl7pb";
      };
      meta.homepage = "https://github.com/mfussenegger/nvim-dap/";
    };
  
negative.code: 
    friendly-snippets = buildVimPluginFrom2Nix {
      pname = "friendly-snippets";
      version = "2021-05-10";
      src = fetchFromGitHub {
        owner = "rafamadriz";
        repo = "friendly-snippets";
        rev = "83de9287ad388f55b7d74f66b8ea5b89bb6abf24";
        sha256 = "13jp8bg85yyxyl390ymrp6qasg4p6a57x08m2l9ld8wiq33ps6yp";
      };
      meta.homepage = "https://github.com/rafamadriz/friendly-snippets/";
    };
  