anchor.diff:  
     vim-autoformat = buildVimPluginFrom2Nix {
       pname = "vim-autoformat";
  -    version = "2019-11-11";
  +    version = "2019-12-04";
       src = fetchFromGitHub {
         owner = "Chiel92";
         repo = "vim-autoformat";
  -      rev = "4fb3ecc473093720f35d8d26ae8a8e46a445f116";
  -      sha256 = "199fpvfqbd1d4brxyy506j4nrp64wj6av2xh51a5q10dm84pddp9";
  +      rev = "354abcd3d533ba07eebc510102870d85d4e2c466";
  +      sha256 = "1hngbjj12q5v73smyhsay4irp3q71cxyc60n97ybfik5mmm455nj";
       };
     };
   
  
positive.code: 
    vim-terraform = buildVimPluginFrom2Nix {
      pname = "vim-terraform";
      version = "2019-11-13";
      src = fetchFromGitHub {
        owner = "hashivim";
        repo = "vim-terraform";
        rev = "fd3374f1957d5611f0bc7dc2856a439c03d06ac0";
        sha256 = "12j95yj1sc61j66mrcbrm0q052rbs0rmsksfyvaxc8q5kxc4dvyz";
      };
    };
  
    vim-test = buildVimPluginFrom2Nix {
      pname = "vim-test";
      version = "2019-11-25";
      src = fetchFromGitHub {
        owner = "janko-m";
        repo = "vim-test";
        rev = "3592eff62d38531acb2a948f0445463f27c5d801";
        sha256 = "1q41vp404n2pn65pg4br282wyimnfsrrhfkciwp0mhfp4ksn20mz";
      };
    };
  
  
negative.code: 
    vim = buildVimPluginFrom2Nix {
      pname = "vim";
      version = "2019-12-06";
      src = fetchFromGitHub {
        owner = "dracula";
        repo = "vim";
        rev = "2a1f03757eff82d07f64d45dad4af1a805492a67";
        sha256 = "1ahlpwqf61rr6y23fk9pvnh8drkhv7v82a3r3w07p65mv0mfk958";
      };
    };
  
  