nixos/dovecot: hotfix config defaults for sieve-less setups (#509558)

    );

  isPre24 = versionOlder cfg.package.version "2.4";

  # HACK: We can not auto-add the default for sieve_script_bin_path unless we have the pigeonhole plugin loaded. Solve this in a better way in the future

  hasPigeonhole = builtins.any (

    pkg: pkg.pname or null == "dovecot-pigeonhole"

  ) config.environment.systemPackages;

in

{

  imports = [

              };

              sieve_script_bin_path = mkOption {

                default = if isPre24 then null else "/tmp/dovecot-%{user|username|lower}";

                default = if isPre24 || !hasPigeonhole then null else "/tmp/dovecot-%{user|username|lower}";

                defaultText = literalExpression ''

                  if isPre24

                  if isPre24 || !hasPigeonhole

                  then null

                  else "/tmp/dovecot-%{user|username|lower}"

                '';