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#!/bin/sh
# Power menu with systemd / non-systemd (e.g. Gentoo+OpenRC) support.
_have() {
command -v "$1" >/dev/null 2>&1
}
# Canonical check: systemd sets this up when it's running as PID 1,
# regardless of distro. Works even if systemctl happens to be installed
# but isn't actually managing the session (e.g. some Gentoo setups).
_is_systemd() {
[ -d /run/systemd/system ]
}
# elogind provides a logind-compatible loginctl on non-systemd distros
# (common on Gentoo/OpenRC boxes running Wayland compositors).
_have_elogind() {
_have loginctl && [ -d /run/systemd/seats ] 2>/dev/null || _have elogind-loginctl
}
do_lock() {
_have swaylock && swaylock --daemonize
}
do_logout() {
if _is_systemd; then
loginctl terminate-session self
elif _have loginctl; then
# elogind case
loginctl terminate-session self
elif [ -n "$SWAYSOCK" ] && _have swaymsg; then
swaymsg exit
else
# last resort: kill the user's session
pkill -KILL -u "$(whoami)"
fi
}
do_reboot() {
if _is_systemd; then
systemctl reboot
elif _have loginctl; then
loginctl reboot
elif _have doas; then
doas reboot
else
sudo reboot
fi
}
do_shutdown() {
if _is_systemd; then
systemctl poweroff
elif _have loginctl; then
loginctl poweroff
elif _have doas; then
doas poweroff
else
sudo poweroff
fi
}
do_suspend() {
if _is_systemd; then
systemctl suspend
elif _have loginctl; then
loginctl suspend
elif _have doas; then
doas zzz
else
sudo zzz
fi
}
do_hibernate() {
if _is_systemd; then
systemctl hibernate
elif _have loginctl; then
loginctl hibernate
elif _have doas; then
doas ZZZ
else
sudo ZZZ
fi
}
PWR_OPTS=$(printf '%b' 'Lock\nLogout\nReboot\nShutdown\nSuspend\nHibernate' | fuzzel -d -p 'Power menu: ')
case "$PWR_OPTS" in
Lock) do_lock ;;
Logout) do_logout ;;
Reboot) do_reboot ;;
Shutdown) do_shutdown ;;
Suspend) do_suspend ;;
Hibernate) do_hibernate ;;
esac
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