anchor.diff:  
     vim-fugitive = buildVimPluginFrom2Nix {
       pname = "vim-fugitive";
  -    version = "2021-03-20";
  +    version = "2021-03-21";
       src = fetchFromGitHub {
         owner = "tpope";
         repo = "vim-fugitive";
  -      rev = "ddea2ecb0ff221f1f4cdba4d3b5ff121c3ff0338";
  -      sha256 = "08s6xjc8175chr3qhg8p2zaj5d4akk4hpzms6dbq8z9553nn37ml";
  +      rev = "58d2b25836f420cf2fe20cc0b6f988165ae33782";
  +      sha256 = "0550dq20axl1qj6rasws2hsar7x4kjx9fspqzmkisv4wzrxr1kp5";
       };
       meta.homepage = "https://github.com/tpope/vim-fugitive/";
     };
  
positive.code:     src = fetchFromGitHub {
        owner = "prabirshrestha";
        repo = "vim-lsp";
        rev = "e889f80f0f08b56808da8bb98fd7f4202a5035c0";
        sha256 = "0k2lsycaqdk5s1ghhx1yc7z6b7sj2xwkmp1jgrr7k089cg76d9wy";
      };
      meta.homepage = "https://github.com/prabirshrestha/vim-lsp/";
    };
  
negative.code: 
    async-vim = buildVimPluginFrom2Nix {
      pname = "async-vim";
      version = "2021-03-21";
      src = fetchFromGitHub {
        owner = "prabirshrestha";
        repo = "async.vim";
        rev = "0fb846e1eb3c2bf04d52a57f41088afb3395212e";
        sha256 = "1glzg0i53wkm383y1vbddbyp1ivlsx2hivjchiw60sr9gccn8f8l";
      };
      meta.homepage = "https://github.com/prabirshrestha/async.vim/";
    };
  