anchor.diff:  
     gitsigns-nvim = buildVimPluginFrom2Nix {
       pname = "gitsigns.nvim";
  -    version = "2021-09-20";
  +    version = "2021-09-27";
       src = fetchFromGitHub {
         owner = "lewis6991";
         repo = "gitsigns.nvim";
  -      rev = "60403b46c67ee3ead7e59715ceab27a2affb2e6e";
  -      sha256 = "1mq5nyhy9cxp45bk261jzbh1yaniy0xh22v6yzqg5mfbjipmvcpc";
  +      rev = "805b12a9b7b1997a47b185cdb2938e0f3e428714";
  +      sha256 = "0lvf9i2px2s54rn0ahp0z0adn8d9qm051jaxqxmpn718kibknl7k";
       };
       meta.homepage = "https://github.com/lewis6991/gitsigns.nvim/";
     };
  
positive.code: 
    nvim-cmp = buildVimPluginFrom2Nix {
      pname = "nvim-cmp";
      version = "2021-09-21";
      src = fetchFromGitHub {
        owner = "hrsh7th";
        repo = "nvim-cmp";
        rev = "0a8ca50d9e96ae5b84e71146b5eb9d30baabc84a";
        sha256 = "1lbp45hbwzprfpzrhkws853dnv1ax63bqnzav04bl787kk5ryajn";
      };
      meta.homepage = "https://github.com/hrsh7th/nvim-cmp/";
    };
  
negative.code: 
    telescope-nvim = buildVimPluginFrom2Nix {
      pname = "telescope.nvim";
      version = "2021-09-27";
      src = fetchFromGitHub {
        owner = "nvim-telescope";
        repo = "telescope.nvim";
        rev = "4e629cdea197b7c4f3c476346a8841b74bf9fd56";
        sha256 = "0g7bkay3pj81rb5d91phfzcvs63xk9gqarax7nm7d7mcjncs570a";
      };
      meta.homepage = "https://github.com/nvim-telescope/telescope.nvim/";
    };
  