live

#!/bin/sh

test_aufs()
{
    if [ ! -d /fll/aufs ]; then
        echo "No /fll/aufs directory exists ! Will exit now."
        exit 1
    fi
}
  
MountLive()
{

if ! ischroot ; then
# mounts dev proc sys dev/pts under /fll/aufs
    echo " Mounting dev proc sys dev/pts under /fll/aufs and chroot there."
    echo " Please run exit and then live out to exit chroot."
    for i in dev dev/pts proc sys  ; do
        mount --bind /$i /fll/aufs/$i
    done
    chroot /fll/aufs
else
    echo "Please exit chroot and type live go"
fi
}

UmountLive()
{
# umounts dev proc sys dev/pts from /fll/aufs
if ! ischroot ; then
    echo " Umounting dev proc sys dev/pts from fll/aufs."
    for i in  sys proc dev/pts dev  ; do
        umount /fll/aufs/$i
    done
else
    echo "Please exit chroot and type live out"
fi
}

case "$1" in
    go)
    test_aufs
    MountLive
    ;;
    out)
    test_aufs
    UmountLive
    ;;
    *)
        echo "This script should be runned outside chroot"
        echo "Usage: live {go|out}"
        exit 1
    ;;
esac