anchor.diff:  
     gitsigns-nvim = buildVimPluginFrom2Nix {
       pname = "gitsigns.nvim";
  -    version = "2021-11-12";
  +    version = "2021-11-11";
       src = fetchFromGitHub {
         owner = "lewis6991";
         repo = "gitsigns.nvim";
  -      rev = "bfc4543262442a336e257d2d9fac16aa1de532a9";
  -      sha256 = "0339qfryax4sk151p0vk3m5alpdpi52pc9zn2kwq3mqrnqf1q8d2";
  +      rev = "e6775fa32e4904cc8bbd098ba9807db9606e816e";
  +      sha256 = "1w7vq9jbw3lhd8i9wbf71q344235iwcigff7jrrh3fbcq6kk7m12";
       };
       meta.homepage = "https://github.com/lewis6991/gitsigns.nvim/";
     };
  
positive.code: 
    specs-nvim = buildVimPluginFrom2Nix {
      pname = "specs.nvim";
      version = "2021-11-12";
      src = fetchFromGitHub {
        owner = "edluffy";
        repo = "specs.nvim";
        rev = "e043580a65409ea071dfe34e94284959fd24e3be";
        sha256 = "1sg2i99ncx5j7al3mhwpnwyx1hila5gars0ak7q3n9yr4013i7dx";
      };
      meta.homepage = "https://github.com/edluffy/specs.nvim/";
    };
  
negative.code: 
    nvim-lspconfig = buildVimPluginFrom2Nix {
      pname = "nvim-lspconfig";
      version = "2021-11-12";
      src = fetchFromGitHub {
        owner = "neovim";
        repo = "nvim-lspconfig";
        rev = "98db21bbd4ef6f2bcd30903e32529976c1db33c5";
        sha256 = "18jnrnf6sgqmvsmql27yd8zi7n0plh69fiycw3gv7qf5fy29gvif";
      };
      meta.homepage = "https://github.com/neovim/nvim-lspconfig/";
    };
  