river.nix

{ pkgs, ... }:
let
  mzteriver-init = pkgs.writeShellScript "mzteriver-init" ''
    export PATH="$HOME/.local/bin:$PATH"
    exec mzteinit cmd mzteriver
  '';
in
{
  environment.systemPackages = with pkgs; [
    river

    rofi-wayland
    waybar
    wlr-randr
    playerctl
    grim
    slurp
  ];

  services.xserver.displayManager.sessionPackages = [
    (pkgs.writeTextFile
      {
        name = "mzteriver-session";
        destination = "/share/wayland-sessions/mzteriver.desktop";
        text = ''
          [Desktop Entry]
          Encoding=UTF-8
          Name=MZTERiver
          Comment=MZTERiver River Session
          Exec=${mzteriver-init}
          Type=Application
        '';
      } // { providedSessions = [ "mzteriver" ]; })
  ];

  xdg.portal = {
    wlr.enable = true;
    config.river.default = [ "wlr" "gtk" ];
  };
}