anchor.diff:  
     vim-airline = buildVimPluginFrom2Nix {
       pname = "vim-airline";
  -    version = "2021-02-02";
  +    version = "2021-02-05";
       src = fetchFromGitHub {
         owner = "vim-airline";
         repo = "vim-airline";
  -      rev = "bffa7a4d23addaedc64075b06c00f1cbb5dec667";
  -      sha256 = "0ghf7z6ras1jslirf9dxq8xxjksyaj6nlr0js385g5z8n9xv1chp";
  +      rev = "c01977d027de854c6a85ed5c57915a7e8848f4b9";
  +      sha256 = "0xvv1dymvgazs57phxbxljihz92zd4aa5yjqqf4g9xvl59vxc798";
       };
       meta.homepage = "https://github.com/vim-airline/vim-airline/";
     };
  
positive.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-02-02";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "addb3b3f9963b86b1d3626e4b1920b129148625b";
        sha256 = "1fpws70lxa9vs4yv6wpgnvw0khxhavq23plnsil29j4xlfm3ivw9";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  
negative.code: 
    vim-floaterm = buildVimPluginFrom2Nix {
      pname = "vim-floaterm";
      version = "2021-02-05";
      src = fetchFromGitHub {
        owner = "voldikss";
        repo = "vim-floaterm";
        rev = "2a47359fe7eca7655747ad871530a66f7fdd22f8";
        sha256 = "1769lf2xgy11cmyg8n46xb7d4qn8c9b2ygiibj7skdyx9m88y4fw";
      };
      meta.homepage = "https://github.com/voldikss/vim-floaterm/";
    };
  