anchor.diff:  
     vim-test = buildVimPluginFrom2Nix {
       pname = "vim-test";
  -    version = "2021-12-14";
  +    version = "2021-12-15";
       src = fetchFromGitHub {
         owner = "vim-test";
         repo = "vim-test";
  -      rev = "9895268249f88ef67d10a20cc1a020a40096a1d9";
  -      sha256 = "1q0544vlp55l4cpb7f6ifmf3f8vw8zd0ra2ly21q562rxdd3l1zw";
  +      rev = "8baf452190d9fa851577cdf6df7c6489bd621827";
  +      sha256 = "0gxk2644n33j26wlnacj22ilhhlxkcid2vici9qkbx8wi8wgrlbv";
       };
       meta.homepage = "https://github.com/vim-test/vim-test/";
     };
  
positive.code:     src = fetchFromGitHub {
        owner = "nvim-neorg";
        repo = "neorg";
        rev = "62f5c912e7674b15e1365ab211d13aabf52f4047";
        sha256 = "0xcv7bb70mw47a6ixmcb7d4qjc9w262d7y6r62vpqz9cvcndaid1";
      };
      meta.homepage = "https://github.com/nvim-neorg/neorg/";
    };
  
negative.code: 
    nvim-hlslens = buildVimPluginFrom2Nix {
      pname = "nvim-hlslens";
      version = "2021-12-15";
      src = fetchFromGitHub {
        owner = "kevinhwang91";
        repo = "nvim-hlslens";
        rev = "8119b7b846a21e87b2d6c2168f57d79540b2d304";
        sha256 = "0mjakd4d4w680qn82s59352w275k40nimxs2g2x0b0gzqlk3wlwg";
      };
      meta.homepage = "https://github.com/kevinhwang91/nvim-hlslens/";
    };
  