os/modules/graphical/sway/sway.service.nix

{pkgs, ...}: {
  Unit = {
    Description = "sway - SirCmpwn's Wayland window manager";
    Documentation = ["man:sway(5)"];
    BindsTo = ["graphical-session.target"];
    Wants = ["graphical-session-pre.target"];
    After = ["graphical-session-pre.target"];
  };
  Service = {
    Type = "simple";
    ExecStartPre = "${pkgs.systemd}/bin/systemctl --user unset-environment WAYLAND_DISPLAY DISPLAY";
    ExecStart = "${pkgs.sway}/bin/sway";
    Restart = "on-failure";
    RestartSec = "1";
    TimeoutStopSec = "10";
  };
}