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#!/bin/sh
if [ "$#" -eq 0 ]; then
echo "Usage: $0 argument"
exit 1
fi
# Store current tty number
kms_tty=
active_tty_file=/sys/class/tty/tty0/active
if [ -f "$active_tty_file" ]; then
read -r kms_tty < "$active_tty_file"
fi
case "${TERM_PROGRAM}" in
tmux) printf '\033Ptmux;\033\033]setBackground\a\033\\' ;;
*) printf '\033]setBackground\a' ;;
esac
"$@"
# If the current tty has changed, wait until the user switches back.
if [ -n "${kms_tty}" ]; then
read -r check_kms_tty < "$active_tty_file"
while [ "${check_kms_tty}" != "${kms_tty}" ]; do
# use inotifywait if available, fallback to plain sleep
if command -v inotifywait > /dev/null; then
inotifywait -qqe modify "$active_tty_file"
else
sleep 1
fi
read -r check_kms_tty < "$active_tty_file"
done
fi
case "${TERM_PROGRAM}" in
tmux) printf '\033Ptmux;\033\033]setForeground\a\033\\' ;;
*) printf '\033]setForeground\a' ;;
esac
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