anchor.diff:      src = fetchFromGitHub {
         owner = "EdenEast";
         repo = "nightfox.nvim";
  -      rev = "f9b0f96f61a4aa136f9fd6a04e60829f50eda9b0";
  -      sha256 = "0p28x0xsahr9z1a4zgnjlxrdb7wv8p82gh0gc9rbfprym230k9lg";
  +      rev = "2b19e2ad758f078b607408b15bdaf39f3beafac6";
  +      sha256 = "0xn78z74wldjq7p5xzlbv4562b6i5nha3lj0bc2hv6w9n3m7q494";
       };
       meta.homepage = "https://github.com/EdenEast/nightfox.nvim/";
     };
  
positive.code: 
    vimtex = buildVimPluginFrom2Nix {
      pname = "vimtex";
      version = "2022-03-27";
      src = fetchFromGitHub {
        owner = "lervag";
        repo = "vimtex";
        rev = "c2cb0ced676fd41ce7f6e33a3f09122cb738436b";
        sha256 = "00vzqcw2gygq6rgwjy4dl2m1p6pdkwqpj3j1gbzjg4g6av4q8py1";
      };
      meta.homepage = "https://github.com/lervag/vimtex/";
    };
  
negative.code:     src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "nvim-treesitter";
        rev = "b995eebe84df88092a41cbfd591bfc1565f70d8e";
        sha256 = "1738mssq22n1njrpi004apgfv00fxn7yx00r3175qn57bjw9bks9";
      };
      meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
    };
  