anchor.diff:  
     vim-fugitive = buildVimPluginFrom2Nix {
       pname = "vim-fugitive";
  -    version = "2021-02-16";
  +    version = "2021-02-22";
       src = fetchFromGitHub {
         owner = "tpope";
         repo = "vim-fugitive";
  -      rev = "c63bc47c44f4ad259300549fc02939ab2401ba79";
  -      sha256 = "1kmxm6spwzgyskdk8s32k93v8k0njfka3gq28wxnbswydnzszgrz";
  +      rev = "6c4c7c9aebc4c65c13f94597e4c9352dbba21fa5";
  +      sha256 = "09q6ijr3f6aaki17cpidn02lxk00gficsclg1zcprxcq8fp8v8d1";
       };
       meta.homepage = "https://github.com/tpope/vim-fugitive/";
     };
  
positive.code: 
    vim-matchup = buildVimPluginFrom2Nix {
      pname = "vim-matchup";
      version = "2021-01-29";
      src = fetchFromGitHub {
        owner = "andymass";
        repo = "vim-matchup";
        rev = "52b3ec1ee8d0f78c69bae6cc32f3c2d1a023a8c8";
        sha256 = "1hn3w4hzx444cz5z7g2lkpzr90r9ngjpy5jirgs3c947njc24kr7";
      };
      meta.homepage = "https://github.com/andymass/vim-matchup/";
    };
  
negative.code: 
    packer-nvim = buildVimPluginFrom2Nix {
      pname = "packer-nvim";
      version = "2021-02-18";
      src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "e6b4bacf355c9ef2daed4ff40887f949da9da019";
        sha256 = "1x7m2pw2klk4m4hv0h5cjxzr46ljiyxrmwq4c38zbk2x5mncy5jr";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  