{ inputs, pkgs, ... }:
let
  fn = root: map (p: "${root}/" + p) (builtins.attrNames (builtins.readDir root));
  gn = root:
    let items = builtins.readDir root;
        fn = file: type:
          if type == "regular"
          then
            (let m = (builtins.match "(.*)\\.cabal" file);
            in if !(isNull m)
            then { "${builtins.elemAt m 0}" = root; }
            else {})
          else {};
    in builtins.foldl' (x: y: x // y) {} (builtins.attrValues (builtins.mapAttrs fn items));
  hn = s:
    builtins.filter
      (x: (builtins.hasAttr "flake" x) && !x.flake)
      s;
  packagePaths = builtins.foldl'
    (x: y: x // y)
    {}
    (map gn ((import ./packages.nix) inputs));
in
  builtins.mapAttrs
    (name: path: pkgs.haskellPackages.callCabal2nix name path {})
    packagePaths