anchor.diff:  
     vim-go = buildVimPluginFrom2Nix {
       pname = "vim-go";
  -    version = "2021-01-10";
  +    version = "2021-01-17";
       src = fetchFromGitHub {
         owner = "fatih";
         repo = "vim-go";
  -      rev = "d68fc4d71d7c254c8fbd666a470b2d92c8a6d610";
  -      sha256 = "04py4c52hlb8adkgywkn4hnibrsiczvmmf8b82wfr2sa1k5b9hbx";
  +      rev = "3a8e3f6ded412b25fb3c13eecf76d5809fa175e8";
  +      sha256 = "0vj6wcvx87kkykmlxjdwnbnfiq8bbqjnki8x3qaiv4gx028m778d";
       };
       meta.homepage = "https://github.com/fatih/vim-go/";
     };
  
positive.code: 
    nvim-tree-lua = buildVimPluginFrom2Nix {
      pname = "nvim-tree-lua";
      version = "2021-01-15";
      src = fetchFromGitHub {
        owner = "kyazdani42";
        repo = "nvim-tree.lua";
        rev = "787cef2a1d4ccdd1058cd1486dfea509fab1d291";
        sha256 = "1n1cvrfz2vfx5rjslx4brv3rfqjmxymy9yxyvzhi5p3vwn0phr6f";
      };
      meta.homepage = "https://github.com/kyazdani42/nvim-tree.lua/";
    };
  
negative.code: 
    playground = buildVimPluginFrom2Nix {
      pname = "playground";
      version = "2021-01-19";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "playground";
        rev = "4a11cf237a6e505feb747f6097d48bf0195888b3";
        sha256 = "0d9xm63spsaa580n2nyqiiq2p81ilmm0dwzqg6jhw9c020r5rzg1";
      };
      meta.homepage = "https://github.com/nvim-treesitter/playground/";
    };
  
    plenary-nvim = buildVimPluginFrom2Nix {
      pname = "plenary-nvim";
      version = "2021-01-18";
      src = fetchFromGitHub {
        owner = "nvim-lua";
        repo = "plenary.nvim";
        rev = "fecbbd23e425db8cc60b85d8298f02935d69940d";
        sha256 = "0q5hsg2rlzhldr221krvxppspdl04rj5qbiq3nk1a25nf5r24d0z";
      };
      meta.homepage = "https://github.com/nvim-lua/plenary.nvim/";
    };
  