anchor.diff:  
     fzf-vim = buildVimPluginFrom2Nix {
       pname = "fzf-vim";
  -    version = "2020-11-29";
  +    version = "2020-12-07";
       src = fetchFromGitHub {
         owner = "junegunn";
         repo = "fzf.vim";
  -      rev = "cabfd44a8b1666e9b0c1b18f55646dd8ec25d0d9";
  -      sha256 = "1wzh1jy4i86yyskmr3i600s6a20vs0dwxnyna8dy32jg8l962wkx";
  +      rev = "8fa9cf052409bbadf6bf24711b63bdb52c15c786";
  +      sha256 = "1hiabzz7gb3yd41ncgghcqkibl8x1ymc6zp3f85hjrg1aqc8ibgj";
       };
       meta.homepage = "https://github.com/junegunn/fzf.vim/";
     };
  
positive.code: 
    vim-toml = buildVimPluginFrom2Nix {
      pname = "vim-toml";
      version = "2020-07-06";
      src = fetchFromGitHub {
        owner = "cespare";
        repo = "vim-toml";
        rev = "897cb4eaa81a0366bc859effe14116660d4015cd";
        sha256 = "0ps9kwclqfdydk4132255i9rzcic0sp6d217arjsk1w6gm7m9lm6";
      };
      meta.homepage = "https://github.com/cespare/vim-toml/";
    };
  
negative.code: 
    vim-fugitive = buildVimPluginFrom2Nix {
      pname = "vim-fugitive";
      version = "2020-12-07";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-fugitive";
        rev = "7afa1cfaa62e7fc6f891d0d59f4b10d046b5fd8e";
        sha256 = "1a2q4n9dk8p3j9d8nr8briszmmign4393sbmrdrjkg963ysfc63g";
      };
      meta.homepage = "https://github.com/tpope/vim-fugitive/";
    };
  