script to reload awesomeWM inside xephyr without "touching" the window

reload_xephyr.fish

#!/bin/fish

#wmctrl returns a list of windows with their ids as hexadecimal.
set -l XEPHYR_WINDOW_ID (wmctrl -l | grep "Xephyr on :1.0" | grep -Eo "0x[0-9a-f]+")
set -l CURRENT_WINDOW_ID (xdotool getactivewindow)

xdotool windowfocus $XEPHYR_WINDOW_ID;
sleep 0.25s;
xdotool key ctrl+shift key super+ctrl+r key ctrl+shift;
sleep 0.25s;
xdotool windowfocus $CURRENT_WINDOW_ID;