#!/bin/sh

set -e

# Make sure we're not working on the root directory
if [ -z "$TARGET" -o "$TARGET" = "/" ]; then
    echo "Invalid target directory '$TARGET', aborting." 1>&2
    exit 1
fi

if [ "$(mountpoint -d /)" = "$(mountpoint -d "$TARGET")" ]; then
    echo "The target directory seems to be the root dir, aborting."  1>&2
    exit 1
fi

# Disable root's password, as the switch to enable shadow by default
# has left root with a disabled password, preventing the initial login
echo "Disabling root's password"
chroot "$TARGET" passwd -d root

exit 0