anchor.diff:  
     fastfold = buildVimPluginFrom2Nix {
       pname = "fastfold";
  -    version = "2021-09-30";
  +    version = "2022-01-26";
       src = fetchFromGitHub {
         owner = "konfekt";
         repo = "fastfold";
  -      rev = "eee93cca626fdcdfae0ddcc6f8a956c85455acd3";
  -      sha256 = "1jm8dnr7p8k9ilc97vqrr5cx1adfhla0rc679iajg2h5ydxngfxk";
  +      rev = "e4a51e0f6763720ab1d1889e1ce3fa3beaaf00d3";
  +      sha256 = "11v3jh8qrpwpnvjj1r9z522v9bsyvxwxb8s8856a2zl6vn9caqml";
       };
       meta.homepage = "https://github.com/konfekt/fastfold/";
     };
  
positive.code: 
    null-ls-nvim = buildVimPluginFrom2Nix {
      pname = "null-ls.nvim";
      version = "2022-01-23";
      src = fetchFromGitHub {
        owner = "jose-elias-alvarez";
        repo = "null-ls.nvim";
        rev = "0adceda4fb3fdd25ff015e68ebe176268b12bb2c";
        sha256 = "1nczxn4mxnl5qylzg0kmd7jbybf856x554xv83kwhjv4zzwpaj84";
      };
      meta.homepage = "https://github.com/jose-elias-alvarez/null-ls.nvim/";
    };
  
negative.code: 
    refactoring-nvim = buildVimPluginFrom2Nix {
      pname = "refactoring.nvim";
      version = "2022-01-25";
      src = fetchFromGitHub {
        owner = "theprimeagen";
        repo = "refactoring.nvim";
        rev = "d05b5c1e144f4e0617d184741338d55cb5553538";
        sha256 = "173wff2zys45s3bz14lqzm8s766ypw51gwg3qq0hxig4mb3qmyzm";
      };
      meta.homepage = "https://github.com/theprimeagen/refactoring.nvim/";
    };
  