xmodmap-on-new-input.sh

#!/bin/sh

# Automatically run xmodmap when new input devices is added
#
# Related:
#   https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/287215
#   https://bugs.freedesktop.org/show_bug.cgi?id=25262#c3
#   https://github.com/mgsloan/mgsloan-dotfiles/blob/5efd7be/env/scripts/xmodmap-on-input-change.sh

pgrep -f "inotifywait --quiet --event create --exclude \.\*tmp\.\* /dev/input" && exit

xmodmap=${XMODMAP:-$HOME/.config/X11/Xmodmap}

[ ! -s "$xmodmap" ] && exit

notify-send --expire-time=5000 "xmodmap-on-new-input" "Enabled"

while true; do
    xmodmap "$xmodmap"
    inotifywait --quiet --event create --exclude '.*tmp.*' /dev/input
    sleep 1
done