anchor.diff:  
     lightline-bufferline = buildVimPluginFrom2Nix {
       pname = "lightline-bufferline";
  -    version = "2020-05-08";
  +    version = "2020-07-01";
       src = fetchFromGitHub {
         owner = "mengelbrecht";
         repo = "lightline-bufferline";
  -      rev = "ef674de5ca1c963ad12f04631ea58f90dbbc70da";
  -      sha256 = "0kdla3gmkyk77vqz6hj41alq3jmrkml7836fhsd3hb50f6wwvk11";
  +      rev = "77eb9c67d3d7cc14f11d68e865e3540fcc56fdbe";
  +      sha256 = "1c1aznfs297846f0w6f67sx4fdk9pxxalayfz1dcwabbfq785g6p";
       };
       meta.homepage = "https://github.com/mengelbrecht/lightline-bufferline/";
     };
  
positive.code: 
    nerdtree = buildVimPluginFrom2Nix {
      pname = "nerdtree";
      version = "2020-06-01";
      src = fetchFromGitHub {
        owner = "preservim";
        repo = "nerdtree";
        rev = "d48ab70721d4f688ed34bd5939e2d6f4c89548c5";
        sha256 = "0rd228ks4gppskcvz6cj94gnbd9wykic8f4ilc9smaqw817gq20s";
      };
      meta.homepage = "https://github.com/preservim/nerdtree/";
    };
  
negative.code: 
    vim-go = buildVimPluginFrom2Nix {
      pname = "vim-go";
      version = "2020-07-02";
      src = fetchFromGitHub {
        owner = "fatih";
        repo = "vim-go";
        rev = "f919e0c50deffba7ae2789cf785ed491a6bec9d4";
        sha256 = "068msrfl0v64djws1cb5p2yvwsk29j4msdqqf4c13bafjyhxqwb7";
      };
      meta.homepage = "https://github.com/fatih/vim-go/";
    };
  