#!/bin/sh

# A dmenu wrapper script for system functions.

# For non-systemd init systems.
case "$(readlink -f /sbin/init)" in
	*runit*) hib="sudo -A zzz" ;;
	*openrc*) reb="sudo -A openrc-shutdown -r"; shut="sudo -A openrc-shutdown -p" ;;
esac

pidof i3 && renew="i3 restart" && leave="i3 exit" && wm="i3"
pidof dwm && renew="kill -HUP $(pidof -s dwm)" && leave="kill -TERM $(pidof -s dwm)" && wm="dwm"
pidof bspwm && renew="${XDG_CONFIG_HOME:-$HOME/.config}/bspwm/bspwmrc" && wm "bspwm"

cmds="\
🔒 lock		slock
🚪 leave ${wm:-Xorg}	${leave:-killall Xorg}
🐻 hibernate	${hib:-sudo -A systemctl suspend-then-hibernate}
🔃 reboot	${reb:-sudo -A reboot}
🖥 shutdown	${shut:-sudo -A shutdown -h now}"

# If both wm and renew command are known add it to the menu
[ -n "$wm" ] && [ -n "$renew" ] && cmds="$(echo "$cmds" | sed "3i♻ renew ${wm}	${renew}")"

choice="$(echo "$cmds" | cut -d'	' -f 1 | dmenu)" || exit 1

`echo "$cmds" | grep "^$choice	" | cut -d '	' -f2-`