nixos/mobilizon: create launch wrapper through runCommand

  # Make a package containing launchers with the correct envirenment, instead of

  # setting it with systemd services, so that the user can also use them without

  # troubles

  launchers = pkgs.stdenv.mkDerivation {

    pname = "${cfg.package.pname}-launchers";

    inherit (cfg.package) version;

  launchers =

    pkgs.runCommand "${cfg.package.pname}-launchers-${cfg.package.version}"

      {

        src = cfg.package;

        nativeBuildInputs = with pkgs; [ makeWrapper ];

    dontBuild = true;

    installPhase = ''

      }

      ''

        mkdir -p $out/bin

        makeWrapper \

          --set MOBILIZON_CONFIG_PATH "${configFile}" \

          --set-default RELEASE_TMP "/tmp"

      '';

  };

  repoSettings = cfg.settings.":mobilizon"."Mobilizon.Storage.Repo";

  instanceSettings = cfg.settings.":mobilizon".":instance";