anchor.diff:  
     rust-tools-nvim = buildVimPluginFrom2Nix {
       pname = "rust-tools-nvim";
  -    version = "2021-07-23";
  +    version = "2021-07-24";
       src = fetchFromGitHub {
         owner = "simrat39";
         repo = "rust-tools.nvim";
  -      rev = "160aeb66e46e863802c2e4c5a772c3858bc02fd0";
  -      sha256 = "108nxkbybl1fvyawgq0mzbi2c5fadycxj0pnnnsw8alycyjln13f";
  +      rev = "27e1555146331f42ebb07fb7ba0a196b75e03dde";
  +      sha256 = "13dr30nifxrkjj7rf8dyv9p942dinjcpiy24sbfwni2ibmyf2p52";
       };
       meta.homepage = "https://github.com/simrat39/rust-tools.nvim/";
     };
  
positive.code: 
    luasnip = buildVimPluginFrom2Nix {
      pname = "luasnip";
      version = "2021-07-23";
      src = fetchFromGitHub {
        owner = "l3mon4d3";
        repo = "luasnip";
        rev = "726aac6f8f05c94418cd3e9d6c05705e8b1ae743";
        sha256 = "0v5lpcbmlghyfifwys51acihbhawg87bmapjay52g591cjzcd9ak";
      };
      meta.homepage = "https://github.com/l3mon4d3/luasnip/";
    };
  
negative.code: 
    packer-nvim = buildVimPluginFrom2Nix {
      pname = "packer-nvim";
      version = "2021-07-25";
      src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "92dcbe5b1052c2cec1b5455a624710dd1e899777";
        sha256 = "0mh3ghbz38inwlcv4sqrpmyzwxr62j10d4873p9d5zb6j68ajxn9";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  