anchor.diff:  
     aurora = buildVimPluginFrom2Nix {
       pname = "aurora";
  -    version = "2021-09-18";
  +    version = "2021-09-30";
       src = fetchFromGitHub {
         owner = "ray-x";
         repo = "aurora";
  -      rev = "cd4c8ceff0109e76b9c919267e1791f505a75815";
  -      sha256 = "172653xjmyz9a1m0zx3l5njybra5dmsv7b6i01s4w5dzlha5c2jn";
  +      rev = "25603ba44b1439a7e69637a7ee37c5dba63b5623";
  +      sha256 = "014pnjinm30jjh4dmxxbfnriijpa83z9g65hilmvwndqf6z7nndj";
       };
       meta.homepage = "https://github.com/ray-x/aurora/";
     };
  
positive.code: 
    luasnip = buildVimPluginFrom2Nix {
      pname = "luasnip";
      version = "2021-09-27";
      src = fetchFromGitHub {
        owner = "l3mon4d3";
        repo = "luasnip";
        rev = "528611c602c3e18526fcd9d0663799f7011b00ae";
        sha256 = "00nsr58j4982pc8s8ncsnv0nv0g5kz63p8m1w4jc62m89ww7fd8h";
      };
      meta.homepage = "https://github.com/l3mon4d3/luasnip/";
    };
  
negative.code: 
    null-ls-nvim = buildVimPluginFrom2Nix {
      pname = "null-ls.nvim";
      version = "2021-09-29";
      src = fetchFromGitHub {
        owner = "jose-elias-alvarez";
        repo = "null-ls.nvim";
        rev = "9d179a26ff974dbd0d3729c2603bc958cf929876";
        sha256 = "08jwaj8n2n8d6c0xcgn4kgypyclcd3jr84wlk2p7jmr8m5q36xi6";
      };
      meta.homepage = "https://github.com/jose-elias-alvarez/null-ls.nvim/";
    };
  