anchor.diff:  
     popfix = buildVimPluginFrom2Nix {
       pname = "popfix";
  -    version = "2021-01-07";
  +    version = "2021-02-08";
       src = fetchFromGitHub {
         owner = "RishabhRD";
         repo = "popfix";
  -      rev = "9ab0aa5f186a2a2429c55f1512e2fd8b536183f0";
  -      sha256 = "0ks9hxc506ybwrvk5qkl1qkj634ms5icy8cg0w3b1q5qzgz5k0wn";
  +      rev = "efcd82cbae750aa743619bfae7453fbec9366b87";
  +      sha256 = "0041c9xnnhw24ablwqw9p9vlcmbfrp9l9r6i4ayh8id666ylsln9";
         fetchSubmodules = true;
       };
       meta.homepage = "https://github.com/RishabhRD/popfix/";
  
positive.code: 
    nvim-treesitter = buildVimPluginFrom2Nix {
      pname = "nvim-treesitter";
      version = "2021-02-04";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "nvim-treesitter";
        rev = "93854135974cec0bba9a6026b28c1ec84fe70a00";
        sha256 = "0681d0d17c7lz2nqlsbn8n8j1gkfbhzahg3f0qw5sg0f5likrx57";
      };
      meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
    };
  
negative.code: 
    galaxyline-nvim = buildVimPluginFrom2Nix {
      pname = "galaxyline-nvim";
      version = "2021-02-09";
      src = fetchFromGitHub {
        owner = "glepnir";
        repo = "galaxyline.nvim";
        rev = "e30c355aaf6d2ca9aaa3a246eb87c7ceb4c42855";
        sha256 = "09w6gvy9hg0cgrs6661g8kfyjd4waz0ajx983p5jqr6l9a96111k";
      };
      meta.homepage = "https://github.com/glepnir/galaxyline.nvim/";
    };
  