anchor.diff:  
     gruvbox-community = buildVimPluginFrom2Nix {
       pname = "gruvbox-community";
  -    version = "2020-11-13";
  +    version = "2021-01-17";
       src = fetchFromGitHub {
         owner = "gruvbox-community";
         repo = "gruvbox";
  -      rev = "2636a0344d3fbacc62d9d914a456fcfdba8ca4cb";
  -      sha256 = "1w9j97g3dzadwnqyal1zw12ia61b512hz8mhywqy5xq6v9f6zkw6";
  +      rev = "c73e63203f76ab8e39b2b05369c0a8877a981435";
  +      sha256 = "0lwvv5chxq0fb9k1y73g5zr8v54xghlqnq64k0vx2v2ravp3313r";
       };
       meta.homepage = "https://github.com/gruvbox-community/gruvbox/";
     };
  
positive.code: 
    vim-smoothie = buildVimPluginFrom2Nix {
      pname = "vim-smoothie";
      version = "2020-12-25";
      src = fetchFromGitHub {
        owner = "psliwka";
        repo = "vim-smoothie";
        rev = "1f5ee84b789384a273b3e27b6a5a7e2f54dbc30e";
        sha256 = "0977qb31hgss38g01m7ikx3qdqial3c7zw9cv72k7rnmcgy761wz";
      };
      meta.homepage = "https://github.com/psliwka/vim-smoothie/";
    };
  
negative.code: 
    nvim-lspconfig = buildVimPluginFrom2Nix {
      pname = "nvim-lspconfig";
      version = "2021-01-18";
      src = fetchFromGitHub {
        owner = "neovim";
        repo = "nvim-lspconfig";
        rev = "1f88798c0efe9331e83243ce05605fbac0433e9d";
        sha256 = "042bgy356v7yy4zm76mngp55n53rnqrlclpm4lafjvl788fny7k4";
      };
      meta.homepage = "https://github.com/neovim/nvim-lspconfig/";
    };
  