anchor.diff:  
     vim-tmux-navigator = buildVimPluginFrom2Nix {
       pname = "vim-tmux-navigator";
  -    version = "2020-11-12";
  +    version = "2021-05-29";
       src = fetchFromGitHub {
         owner = "christoomey";
         repo = "vim-tmux-navigator";
  -      rev = "6a1e58c3ca3bc7acca36c90521b3dfae83b2a602";
  -      sha256 = "17219h69vd6b994qrywg1rpx80y1rmycbfsmf9wb6c693sx721sn";
  +      rev = "0cabb1ef01af0986b7bf6fb7acf631debdbbb470";
  +      sha256 = "0xxc5wpyfqv7f7sfy6xncy7ipj0cvshw28s12ld3jfgyimjllr62";
       };
       meta.homepage = "https://github.com/christoomey/vim-tmux-navigator/";
     };
  
positive.code: 
    ci_dark = buildVimPluginFrom2Nix {
      pname = "ci_dark";
      version = "2021-04-24";
      src = fetchFromGitHub {
        owner = "yunlingz";
        repo = "ci_dark";
        rev = "4c314000b5a21a1b9f52442a0c80e4b3fd4f0a1f";
        sha256 = "1wxsgaixdmb8v87kavvyyiyqlkn7ck5g39hkq4j19747jnb6lvqf";
      };
      meta.homepage = "https://github.com/yunlingz/ci_dark/";
    };
  
negative.code: 
    nvim-dap = buildVimPluginFrom2Nix {
      pname = "nvim-dap";
      version = "2021-06-03";
      src = fetchFromGitHub {
        owner = "mfussenegger";
        repo = "nvim-dap";
        rev = "826a1931fdf1b3b67a0b456aa3abc1b72185a7a7";
        sha256 = "0g8x9vk9qv16zlbvx3h8w2vhnqyycssn5v4y8sdhsnhyjljsjygz";
      };
      meta.homepage = "https://github.com/mfussenegger/nvim-dap/";
    };
  
    nvim-dap-ui = buildVimPluginFrom2Nix {
      pname = "nvim-dap-ui";
      version = "2021-05-31";
      src = fetchFromGitHub {
        owner = "rcarriga";
        repo = "nvim-dap-ui";
        rev = "055b143fdd23fee1d86247a8ec7c43c84a2a896b";
        sha256 = "0v9mxpr5m01w948ddh598k1vzaiyq2zl6fkykbpzkijhk8qvjnv9";
      };
      meta.homepage = "https://github.com/rcarriga/nvim-dap-ui/";
    };
  