anchor.diff:  
     vim-illuminate = buildVimPluginFrom2Nix {
       pname = "vim-illuminate";
  -    version = "2021-01-24";
  +    version = "2021-01-25";
       src = fetchFromGitHub {
         owner = "RRethy";
         repo = "vim-illuminate";
  -      rev = "a500e9fae73e433757c5d8a44da74e66373eb21e";
  -      sha256 = "1mxl0aziakvialk0qgm0mnpqdk9iwqnss9wqj7584nfxvz9zck20";
  +      rev = "929b68b008679dfbe1145da00b3de08fc4f041f2";
  +      sha256 = "089kignrkhqxl8f2csckhc9pc1hsjmw2ds8zcskryjbzrbak5mhv";
       };
       meta.homepage = "https://github.com/RRethy/vim-illuminate/";
     };
  
positive.code:     src = fetchFromGitHub {
        owner = "glepnir";
        repo = "lspsaga.nvim";
        rev = "3e230bb8a5cd788d899d11b5528cd63ea47466a9";
        sha256 = "0pnq8nbllk6ghjxxhnb5rbvxcj04pyplp58p58cw4dch7p4f82h5";
      };
      meta.homepage = "https://github.com/glepnir/lspsaga.nvim/";
    };
  
negative.code: 
    packer-nvim = buildVimPluginFrom2Nix {
      pname = "packer-nvim";
      version = "2021-01-25";
      src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "9d2c03cec29d56827da8b63917a58567e1d9ab86";
        sha256 = "12g3vi4hhm53sfnqn4h5x8vl3q1s0qh0gbr1vdshg76hylyv8qx4";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  