mautrix-gmessages: add goolm override

  nix-update-script,

  testers,

  mautrix-gmessages,

  # This option enables the use of an experimental pure-Go implementation of the

  # Olm protocol instead of libolm for end-to-end encryption. Using goolm is not

  # recommended by the mautrix developers, but they are interested in people

  # trying it out in non-production-critical environments and reporting any

  # issues they run into.

  withGoolm ? false,

}:

buildGoModule rec {

    "main.Tag=${version}"

  ];

  buildInputs = [ olm ];

  buildInputs = lib.optional (!withGoolm) olm;

  tags = lib.optional withGoolm "goolm";

  doCheck = false;