anchor.diff:  
     yats-vim = buildVimPluginFrom2Nix {
       pname = "yats-vim";
  -    version = "2019-03-07";
  +    version = "2019-03-31";
       src = fetchFromGitHub {
         owner = "HerringtonDarkholme";
         repo = "yats.vim";
  -      rev = "cad825d5af13a59a17fb10369c2d89508f4cae3e";
  -      sha256 = "197p0gs6x50kiwf6p4r3r5a1paz2lm089xb8zq0xvlab8fb6mfyy";
  +      rev = "2126e8306cd21a58fb5e089376af8272abe36bb5";
  +      sha256 = "08pdwq3cw7fszw75450z404ylcb5nni0p350jxsd7bd3vikdfxp9";
         fetchSubmodules = true;
       };
     };
  
positive.code: 
    vim-terraform = buildVimPluginFrom2Nix {
      pname = "vim-terraform";
      version = "2019-03-13";
      src = fetchFromGitHub {
        owner = "hashivim";
        repo = "vim-terraform";
        rev = "e7cd4746946205ab03039f2d0d0af3c0d55d4c4d";
        sha256 = "0fv9w5hadyzp871p739mrjsfj0m4xang3lkz3gsv1cxw3iglkfld";
      };
    };
  
  
negative.code: 
    vim-fugitive = buildVimPluginFrom2Nix {
      pname = "vim-fugitive";
      version = "2019-04-04";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-fugitive";
        rev = "1b3668b89fee230c6025dc47c01c82fc1e282ac0";
        sha256 = "0b2z44cw71c0awlajcsln4b43kchhwlb90l461vq7ipmwp3wm8r1";
      };
    };
  
  