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

{pkgs, ...}: {
  Unit = {
    Description = "Highly customizable Wayland bar for Sway and Wlroots based compositors.";
    Documentation = "https://github.com/Alexays/Waybar/wiki/";
    BindsTo = ["sway-session.target"];
    After = ["sway-session.target" "network-online.target"];
    Wants = ["graphical-session-pre.target" "network-online.target" "blueman-applet.service"];
    ConditionEnvironment = ["WAYLAND_DISPLAY"];
  };

  Service = {
    Type = "dbus";
    Environment = "PATH=${pkgs.bash}/bin:${pkgs.pavucontrol}/bin";
    BusName = "fr.arouillard.waybar";
    ExecStart = "${pkgs.waybar}/bin/waybar";
  };

  Install = {
    WantedBy = ["sway-session.target"];
  };
}