anchor.diff:  
     vim-plug = buildVimPluginFrom2Nix {
       pname = "vim-plug";
  -    version = "2020-06-08";
  +    version = "2020-06-25";
       src = fetchFromGitHub {
         owner = "junegunn";
         repo = "vim-plug";
  -      rev = "01aab60adef47c6606aa68c8783f5b994fda9fc4";
  -      sha256 = "1x5m98k20ncvhz6sngzxwhh74s2ll3d119p1g0di4vr59rkx8szq";
  +      rev = "3aa3b5a4e85620dd58302926b571860c92fdbb2f";
  +      sha256 = "1lksg2qphxy6bj1jfhjmq28z67asq7vqyplf42sr49r1076imb0q";
       };
       meta.homepage = "https://github.com/junegunn/vim-plug/";
     };
  
positive.code: 
    vista-vim = buildVimPluginFrom2Nix {
      pname = "vista-vim";
      version = "2020-06-21";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vista.vim";
        rev = "0b5ece152b56e424b6df6ca9545517007ceb840f";
        sha256 = "1dr98fibcpq6c1adsb4bnbbgg6gpk9brfy3kkrbl49jqf2120zww";
      };
      meta.homepage = "https://github.com/liuchengxu/vista.vim/";
    };
  
negative.code: 
    vim-fireplace = buildVimPluginFrom2Nix {
      pname = "vim-fireplace";
      version = "2020-06-25";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-fireplace";
        rev = "237c122f34132714a55709b4af13b94a10043136";
        sha256 = "0gwc6pb5psqwma0wzn87igd3wwsc9grl48y0w47q3jvc3xj01cgs";
      };
      meta.homepage = "https://github.com/tpope/vim-fireplace/";
    };
  