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greetd-moongreet/config/polkit/50-moongreet-power.rules
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fix: power buttons via systemctl, single greeter window (v0.8.7)
Reboot/shutdown buttons always failed: power.rs called `loginctl
reboot|poweroff`, but loginctl has no such verbs (systemd 260) — those
belong to systemctl. moonlock/moonset already used systemctl; moongreet
was the outlier. Switch to `systemctl --no-ask-password reboot|poweroff`.

The multi-monitor greeter gave Exclusive keyboard only to the first
monitor's window, so a user focused on any other output could not type
the password. Drop the per-monitor loop + hotplug; create one window on
the focused output (no set_monitor) with Exclusive keyboard.

Polkit rule kept as a harmless safety net (it was never the blocker;
CanReboot returns yes). The missing journal errors were not a logging
bug — they were lost to a hard power-cut before journald synced.
2026-06-02 12:46:13 +02:00

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// ABOUTME: Allow the greeter user to reboot and power off without authentication.
// ABOUTME: Safety net for the agent-less greeter session — no askpass/polkit agent to answer a challenge.
polkit.addRule(function(action, subject) {
if (subject.user === "greeter" &&
(action.id === "org.freedesktop.login1.reboot" ||
action.id === "org.freedesktop.login1.reboot-multiple-sessions" ||
action.id === "org.freedesktop.login1.power-off" ||
action.id === "org.freedesktop.login1.power-off-multiple-sessions")) {
return polkit.Result.YES;
}
});