final: prev: let
  inherit (final) lib;
in {
  freeipa-ipasam = let
    attrs = old: {
      pname = "freeipa-ipasam";
      patches = old.patches or [ ] ++ [
        ../packages/freeipa-ipasam.patch
      ];
      configureFlags = lib.filter (f: f != "--disable-server") old.configureFlags;
    };
    overrides = {
      samba = final.samba-ldap;
    };
  in (final.freeipa.override overrides).overrideAttrs attrs;

  samba-ldap = final.samba.override {
    enableLDAP = true;
  };

  samba-ipa = final.samba-ldap.overrideAttrs (old: {
    buildInputs = old.buildInputs ++ [
      final.freeipa-ipasam
    ];
    postInstall = ''
      ${old.postInstall or ""}
      cp -a ${final.freeipa-ipasam}/lib/samba/pdb/ipasam.so $out/lib/samba/pdb/
    '';
  });
}