anchor.diff:  
     tagbar = buildVimPluginFrom2Nix {
       pname = "tagbar";
  -    version = "2021-01-21";
  +    version = "2021-01-25";
       src = fetchFromGitHub {
         owner = "preservim";
         repo = "tagbar";
  -      rev = "16f3f9b77b0440a14f1400bf3340bc41b781a1d5";
  -      sha256 = "08ixhd2axs5p3a3c7f9pawscn811rrc84cpqqip5k78f7ws77yw8";
  +      rev = "7a968502d778ab86b01afd4c8b0d20f5af14fad0";
  +      sha256 = "1skszyhsbz4yv16nlrnhkdrrd51hpq1d2gn1h819m0vqgqz4qphn";
       };
       meta.homepage = "https://github.com/preservim/tagbar/";
     };
  
positive.code: 
    denite-git = buildVimPluginFrom2Nix {
      pname = "denite-git";
      version = "2020-11-21";
      src = fetchFromGitHub {
        owner = "neoclide";
        repo = "denite-git";
        rev = "df995dae2ea31a2af5df12e1d405d9f1cf702ab1";
        sha256 = "14fcr2i3nq1x6rcjw3bqd4qdxdns7z67q92pj4w349qnqzr8pd0m";
      };
      meta.homepage = "https://github.com/neoclide/denite-git/";
    };
  
negative.code: 
    plenary-nvim = buildVimPluginFrom2Nix {
      pname = "plenary-nvim";
      version = "2021-01-24";
      src = fetchFromGitHub {
        owner = "nvim-lua";
        repo = "plenary.nvim";
        rev = "81dde2c7faf34a8afa2127151b067ebc2983f7d8";
        sha256 = "0knz5xzsxpqjaybg6ywx0svdy91yjz1pbv3zm7y19avbks2jhd6f";
      };
      meta.homepage = "https://github.com/nvim-lua/plenary.nvim/";
    };
  