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#!/bin/bash
# FVWM-Crystal helper script that check for mount changes
# Usage: Exec exec $[FVWM_SYSTEMDIR]/scripts/DesktopCheckMounts <delay [s]>
# the PID to kill if fvwm is interrupted
TMPFILE="/tmp/crystal_desktopcheckmount_$$"
touch ${TMPFILE}
cleanup() {
rm ${TMPFILE}
exit 0
}
trap cleanup INT QUIT TERM
# the main loop
CRC=$(cksum /proc/mounts|cut -d" " -f1)
while :
do
sleep "$1"
# fvwm is started by exec; be sure it is running
pidof fvwm 1>/dev/null || cleanup
NEWCRC=$(cksum /proc/mounts|cut -d" " -f1)
if [[ "$NEWCRC" != "$CRC" ]]; then
CRC="${NEWCRC}"
FvwmCommand ShowDesktopIcons
fi
done
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