anchor.diff:  
     src = fetchgit ( removeAttrs (builtins.fromJSON ''{
     "url": "https://github.com/lewis6991/gitsigns.nvim",
  -  "rev": "d7e0bcbe45bd9d5d106a7b2e11dc15917d272c7a",
  -  "date": "2022-09-01T14:06:41+01:00",
  -  "path": "/nix/store/3i20afjhjknqk3wggbrk3kwcbnnjqqxd-gitsigns.nvim",
  -  "sha256": "1h4gxyamynwygxpqfib2a7sd1xbi6sh8ixg85j6qiaqqpahr0a4k",
  +  "rev": "f98c85e7c3d65a51f45863a34feb4849c82f240f",
  +  "date": "2022-09-19T00:23:17+01:00",
  +  "path": "/nix/store/7gx7accssqrpn18g9325a8d4wx48467b-gitsigns.nvim",
  +  "sha256": "0ljzja43jdkv77nh4253x3gwk2hjx968yk7b5ag4y1mvyp1540qn",
     "fetchLFS": false,
     "fetchSubmodules": true,
     "deepClone": false,
  
positive.code: }) {};
  
  http = callPackage({ buildLuarocksPackage, luaOlder, luaAtLeast
  , fetchzip, basexx, lpeg_patterns, compat53, bit32, fifo, lua, binaryheap, cqueues, lpeg, luaossl
  }:
  buildLuarocksPackage {
    pname = "http";
  
negative.code:  '') ["date" "path"]) ;
  
    disabled = with lua; (luaOlder "5.1");
    propagatedBuildInputs = [ lua-resty-openssl lua ];
  
    meta = {
      homepage = "https://github.com/cdbattags/lua-resty-jwt";
  