#!/bin/sh

### BEGIN INIT INFO
# Provides: mount-overlay
# Required-Start: mountall-bootclean
# Required-Stop:
# Default-Start: S
# Default-Stop:
# X-Start-Before: procps udev-mtab urandom
# Short-Description: overlay mode
# Descrition: Shutdown process will not be required
### END INIT INFO

cd /etc/overlay-protect
file=noprotect
if [ -e ${file} ]; then
echo "mount-overlay: disable (no protect)"
exit 0
fi
echo "mount-overlay: enable (protect)"

/bin/mount -t tmpfs tmpfs /fsprotect

# bin boot dev etc home lib lib64 lost+found media mnt net opt proc root run sbin srv sys tmp usr var
# bin boot etc home lib lib64 opt root sbin srv usr
# dev lost+found proc run tmp var sys
# media mnt net

# for d in etc home root var usr
for d in bin boot etc home lib lib64 opt root sbin srv usr
do
mkdir /fsprotect/${d}
mkdir /fsprotect/${d}_rw

OPTS="-o lowerdir=/${d},upperdir=/fsprotect/${d},workdir=/fsprotect/${d}_rw"
/bin/mount -t overlay ${OPTS} overlay /${d}
done

exit 0