#!/bin/sh
#
# Fixup OS inconsistencies between builds
#

set -e

# make directory if it doesn't exist
# arguments <dir> <owner> <perm>
make_dir() {
    dir=$1
    owner=$2
    perm=$3
    if [ ! -e "$dir" ]; then
        echo -n "create $dir... "
        mkdir "$dir"
        chown "$owner":"$owner" "$dir"
        chmod "$perm" "$dir"
    fi
}

# skill users did not exist in RTM2, and their home directories
# are not part of the rootfs, so we need to create them after the fact
make_skill_home_dirs() {
    make_dir /opt/home root 0755
    make_dir /opt/home/jibo-skill jibo-skill 0755
}

INTERFACES="/var/etc/network/interfaces"

# patch the interfaces file for RTM2 robots, if needed
patch_network_interfaces() {
    if ! grep -q "post-up wireless-startup" "${INTERFACES}"; then
        sed -i "s|post-up wpa_supplicant -B -i wlan0 -c /var/etc/wpa_supplicant.conf|post-up wireless-startup|" ${INTERFACES}
        #else
        # This is already fixed
    fi
}


start() {
    echo -n "Fixup OS: "
    make_skill_home_dirs
    patch_network_interfaces
    echo "OK"
}

stop() {
    echo -n "Fixup OS: "
    echo "OK"
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    *)
        echo "Usage: $0 {start|stop}" >&2
        exit 1
        ;;
esac