anchor.diff:  
     vim-signify = buildVimPluginFrom2Nix {
       pname = "vim-signify";
  -    version = "2021-04-29";
  +    version = "2021-05-19";
       src = fetchFromGitHub {
         owner = "mhinz";
         repo = "vim-signify";
  -      rev = "6df213375c9d63faebb55f55aada2efa52458d12";
  -      sha256 = "0yv5v4f03hpn17dsazcr62bwf1y43j915wy9a33hv5wyicqszsyi";
  +      rev = "22f05607d4d7406781af56cafc1121152988c6d2";
  +      sha256 = "1rq5d3v5qvv0hnvk18q66zd8963flnjvxb4b65vh88md15qc3p3j";
       };
       meta.homepage = "https://github.com/mhinz/vim-signify/";
     };
  
positive.code: 
    vim-airline-themes = buildVimPluginFrom2Nix {
      pname = "vim-airline-themes";
      version = "2021-05-07";
      src = fetchFromGitHub {
        owner = "vim-airline";
        repo = "vim-airline-themes";
        rev = "140238f65ef8168f2b046c52c6297cc596f8b347";
        sha256 = "062c12db6dhi3dv83iff1b940idhipimk3hsjcp1i4c3mbxxr78p";
      };
      meta.homepage = "https://github.com/vim-airline/vim-airline-themes/";
    };
  
negative.code: 
    vim-illuminate = buildVimPluginFrom2Nix {
      pname = "vim-illuminate";
      version = "2021-05-18";
      src = fetchFromGitHub {
        owner = "RRethy";
        repo = "vim-illuminate";
        rev = "20707bb5ac23536041d34f327649844e631d52bd";
        sha256 = "1gm0rfhhzmb1hv4dzys4w0si9ppaanxn0v68rpjc9yn8ahws426b";
      };
      meta.homepage = "https://github.com/RRethy/vim-illuminate/";
    };
  