anchor.diff:  
     vim-matchup = buildVimPluginFrom2Nix {
       pname = "vim-matchup";
  -    version = "2021-05-09";
  +    version = "2021-05-10";
       src = fetchFromGitHub {
         owner = "andymass";
         repo = "vim-matchup";
  -      rev = "2032562ba91b9904fdbaac8a586d93fc69d5aec6";
  -      sha256 = "1d38dx5s89113iglbji3q4va3hnjqa6cx141faldp283v39y2qv2";
  +      rev = "ea2612d87a38ef2261f66063571eef06689bbb8e";
  +      sha256 = "0a7dxvl8p3n8kfm1abm1k2r9l6s230585521scgh8y1sh88zkpay";
       };
       meta.homepage = "https://github.com/andymass/vim-matchup/";
     };
  
positive.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-05-10";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "d6ddb11b13a28f858344cdfafbe4d76fe032803a";
        sha256 = "0wr6m0i0lj5dpp0rbqyx534jnwpmrrywjq55xai5z799dh4in42k";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  
negative.code:     src = fetchFromGitHub {
        owner = "rafamadriz";
        repo = "friendly-snippets";
        rev = "9178101a99226fb4a973fd88ba6e84972c7b0a94";
        sha256 = "1dy9b5ipzs412sz31mqqrr6rfjs24569pw17z9b3z40dipmzg1x8";
      };
      meta.homepage = "https://github.com/rafamadriz/friendly-snippets/";
    };
  