anchor.diff:  
     vim-gitgutter = buildVimPluginFrom2Nix {
       pname = "vim-gitgutter";
  -    version = "2021-07-12";
  +    version = "2021-08-06";
       src = fetchFromGitHub {
         owner = "airblade";
         repo = "vim-gitgutter";
  -      rev = "7d9b7125ff2533f6c520573f54e91db2f13a44b0";
  -      sha256 = "1ckz2b7y6y483d0ignkv8mm0xf9jbs8k3srp50m7sj24nsdadb1v";
  +      rev = "549fb96d5890d5225afda070ca041468c2c770e5";
  +      sha256 = "1zqns0rd456138qhib8pkvg2bg2lf81f2zi1dphkdp3ajym6mkh6";
       };
       meta.homepage = "https://github.com/airblade/vim-gitgutter/";
     };
  
positive.code: 
    ferret = buildVimPluginFrom2Nix {
      pname = "ferret";
      version = "2021-07-09";
      src = fetchFromGitHub {
        owner = "wincent";
        repo = "ferret";
        rev = "14d883975b2f1d50bbf7a6f74a04f39e59c0b06c";
        sha256 = "1hnn3x37iphbaam3h5kz0l6y09v2xr79p1nkhs10m939vxavg62k";
      };
      meta.homepage = "https://github.com/wincent/ferret/";
    };
  
negative.code: 
    edge = buildVimPluginFrom2Nix {
      pname = "edge";
      version = "2021-08-06";
      src = fetchFromGitHub {
        owner = "sainnhe";
        repo = "edge";
        rev = "14a4681737cf2ac33ff479cebd42398bbe2a68f0";
        sha256 = "0d8cps2sb3p40kwx534430r1yy2mdgvl5vls4wbzw9i71miqnvxk";
      };
      meta.homepage = "https://github.com/sainnhe/edge/";
    };
  