#!/bin/sh -
#
# Toggle writable state of the disk
#
# Rick van der Zwet <rick@wirelessleiden.nl>
#


mount -p | awk '{if($2 == "/"){ print $4}}' | grep -q ro && {
    mount -uwo noatime /
    mount -wo noatime /cfg
    echo "# /    - write"
    echo "# /cfg - write"
    echo "# Run again to protect"
  } || {
    mount -ur /
    umount /cfg
    echo "# /    - read"
    echo "# /cfg - ejected"
    echo "# Run again to edit"
  }