anchor.diff:  
     nvim-tree-lua = buildVimPluginFrom2Nix {
       pname = "nvim-tree-lua";
  -    version = "2021-01-15";
  +    version = "2021-01-17";
       src = fetchFromGitHub {
         owner = "kyazdani42";
         repo = "nvim-tree.lua";
  -      rev = "787cef2a1d4ccdd1058cd1486dfea509fab1d291";
  -      sha256 = "1n1cvrfz2vfx5rjslx4brv3rfqjmxymy9yxyvzhi5p3vwn0phr6f";
  +      rev = "bf59dd4a86f13eeb32ac04d7d1fadadd48662647";
  +      sha256 = "19kjxdspiylp5ww2h1xnhzd57fhlpzdbkyglg79a86xlsf1r1c7x";
       };
       meta.homepage = "https://github.com/kyazdani42/nvim-tree.lua/";
     };
  
positive.code: 
    vim-clap = buildVimPluginFrom2Nix {
      pname = "vim-clap";
      version = "2021-01-17";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vim-clap";
        rev = "a9d1ccd9a3e9807d600abccab706634594ed0d2e";
        sha256 = "0smmgbsrqm757hgijq76y4yra0b68qhnxnyswfs37vrarcrqkfq3";
      };
      meta.homepage = "https://github.com/liuchengxu/vim-clap/";
    };
  
negative.code: 
    nvim-lspconfig = buildVimPluginFrom2Nix {
      pname = "nvim-lspconfig";
      version = "2021-01-18";
      src = fetchFromGitHub {
        owner = "neovim";
        repo = "nvim-lspconfig";
        rev = "1f88798c0efe9331e83243ce05605fbac0433e9d";
        sha256 = "042bgy356v7yy4zm76mngp55n53rnqrlclpm4lafjvl788fny7k4";
      };
      meta.homepage = "https://github.com/neovim/nvim-lspconfig/";
    };
  