anchor.diff:  
     neodark-vim = buildVimPluginFrom2Nix {
       pname = "neodark-vim";
  -    version = "2018-10-17";
  +    version = "2019-06-15";
       src = fetchFromGitHub {
         owner = "KeitaNakamura";
         repo = "neodark.vim";
  -      rev = "e95e924081f95ec18d9b6d7239a445db982669e8";
  -      sha256 = "11mib0yf3kq626r9afw1127w2hxbqci3fgvh3lfl36mk06sm1qqb";
  +      rev = "eeafb097ad5d9aa9db4ba43b8556306da9e3329f";
  +      sha256 = "0n34980wdvxrgymnb0xgdy01mv201643xijr9czi0pf1hvfsbd70";
       };
     };
   
  
positive.code: 
    vim-gitgutter = buildVimPluginFrom2Nix {
      pname = "vim-gitgutter";
      version = "2019-06-04";
      src = fetchFromGitHub {
        owner = "airblade";
        repo = "vim-gitgutter";
        rev = "07b60b584ea603693d24a72207de58a446e0b5ec";
        sha256 = "1gzgbczrs3mqrj498gcb4hvq8vqf4ikj613x2ilalfq9jkw3q5xi";
      };
    };
  
  
negative.code: 
    denite-nvim = buildVimPluginFrom2Nix {
      pname = "denite-nvim";
      version = "2019-06-15";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "denite.nvim";
        rev = "54f322011a3a94d27e0814f1a7ae55385eab0a3e";
        sha256 = "08nvp4vr29g8q666cmnqv436p42i1l9bh7qgh4qnv62kms40jp3f";
      };
    };
  
  