#!/bin/bash
# Run update-notify for every logged-in user whose timer is active (called by the pacman hook as root)
systemctl list-units --plain --no-legend --state=running 'user@*.service' |
while read -r unit _; do
    uid=${unit#user@}
    uid=${uid%.service}
    user=$(id -nu "$uid") || continue
    systemctl --user -M "$user@" is-active --quiet update-notify.timer || continue
    systemctl --user -M "$user@" start --no-block update-notify.service
done