pkgs/development/beam-modules/build-hex.nix

   1 { lib, buildRebar3, fetchHex }:
   2
   3 { name, version, sha256
   4 , builder ? buildRebar3
   5 , hexPkg ? name
   6 , ... }@attrs:
   7
   8 with lib;
   9
  10 let
  11   pkg = self: builder (attrs // {
  12
  13     src = fetchHex {
  14       pkg = hexPkg;
  15       inherit version;
  16       inherit sha256;
  17     };
  18   });
  19 in
  20   fix pkg