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#!/bin/sh
export WM="dwm"
case "$(readlink -f /sbin/init)" in
*systemd*) ctl='systemctl' ;;
*) ctl='loginctl' ;;
esac
wmpid(){ # This function is needed if there are multiple instances of the window manager.
tree="$(pstree -ps $$)"
tree="${tree#*$WM(}"
echo "${tree%%)*}"
}
case "$(printf " lock\n leave $WM\n renew $WM\n hibernate\n reboot\n shutdown\n sleep\n display off" | dmenu -i -l 15 -p 'Action: ')" in
' lock') slock ;;
" leave $WM") kill -TERM "$(wmpid)" ;;
" renew $WM") kill -HUP "$(wmpid)" ;;
' hibernate') slock $ctl hibernate -i ;;
' sleep') slock $ctl suspend -i ;;
' reboot') $ctl reboot -i ;;
' shutdown') $ctl poweroff -i ;;
' display off') xset dpms force off ;;
*) exit 1 ;;
esac
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