anchor.diff:      src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter";
  -      rev = "99ecb46592f8e9a3a8b56ff2c4fd18f1eff4a5af";
  -      sha256 = "131k1p0qjwvm5d3s1670r9a4s053c7x2yi7n69jlljc6x57b3q9n";
  +      rev = "f84c93c484ec3f5fb2a7ca461bf5b93994662fda";
  +      sha256 = "0wh2rv1awlvm1d4fgvcgl0cg9sw20x5axmnq2ch0q18qca37v5i5";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
     };
  
positive.code: 
    Coqtail = buildVimPluginFrom2Nix {
      pname = "Coqtail";
      version = "2021-01-18";
      src = fetchFromGitHub {
        owner = "whonore";
        repo = "Coqtail";
        rev = "c58071ff5ad86baad107f43737c64a18b574cd3a";
        sha256 = "1pbkvxcwzvyy47bfv1r1ldzcf0qqkbbx2bq4jl93di5bg7kl57qb";
      };
      meta.homepage = "https://github.com/whonore/Coqtail/";
    };
  
negative.code:     src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "4b1d61cc00baf7b5f77efb75d1973d453248153f";
        sha256 = "1w166j4syxwv1qhm0s813rixgc83j6ba5m4db1n2a8bnqwgcc9i6";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  