isync: add optional support for XOAUTH2 authentication method

{ lib, stdenv, fetchurl, pkg-config, perl

, openssl, db, cyrus_sasl, zlib

, Security

, withCyrusSaslXoauth2 ? true, cyrus-sasl-xoauth2, makeWrapper

}:

stdenv.mkDerivation rec {

    ./work-around-unexpected-EOF-error-messages-at-end-of-SSL-connections.patch

  ];

  nativeBuildInputs = [ pkg-config perl ];

  nativeBuildInputs = [ pkg-config perl ]

    ++ lib.optionals withCyrusSaslXoauth2 [ makeWrapper ];

  buildInputs = [ openssl db cyrus_sasl zlib ]

    ++ lib.optionals stdenv.isDarwin [ Security ];

  postInstall = lib.optionalString withCyrusSaslXoauth2 ''

    wrapProgram "$out/bin/mbsync" \

        --prefix SASL_PATH : "${lib.makeSearchPath "lib/sasl2" [ cyrus-sasl-xoauth2 ]}"

  '';

  meta = with lib; {

    homepage = "http://isync.sourceforge.net/";

    # https://sourceforge.net/projects/isync/