#!/bin/sh -eu
# vim: ts=4 et:

[ -z "$DEBUG" ] || [ "$DEBUG" = 0 ] || set -x

TARGET=/mnt

einfo() {
    printf '\n\033[1;7;36m> %s <\033[0m\n' "$@" >&2     # bold reversed cyan
}

greater_or_equal() {
    return $(echo "$1 $2" | awk '{print ($1 < $2)}')
}

if [ "$VERSION" = "3.12" ]; then
    # tiny-cloud-network requires ifupdown-ng, not in 3.12
    einfo "Configuring Tiny EC2 Bootstrap..."
    echo "EC2_USER=$IMAGE_LOGIN" > /etc/conf.d/tiny-ec2-bootstrap
else
    einfo "Configuring Tiny Cloud..."

    TC_CONF="$TARGET/etc/tiny-cloud.conf"
    # tiny-cloud >= 3.0.0 moved configs, the following supports older versions
    [ ! -f "$TC_CONF" ] && TC_CONF="$TARGET/etc/conf.d/tiny-cloud"

    sed -i.bak -Ee "s/^#?CLOUD_USER=.*/CLOUD_USER=$IMAGE_LOGIN/" "$TC_CONF"
    rm "$TC_CONF.bak"

    # tiny-cloud >= 3.0.0 sets up init scripts with /sbin/tiny-cloud --setup
    if [ -f "$TARGET/sbin/tiny-cloud" ]; then
        chroot "$TARGET" /sbin/tiny-cloud --enable
    elif greater_or_equal "$VERSION" 3.18; then
        # 3.18 has tiny-cloud 3.0.0, and we didn't find what we expected
        echo "Error: /sbin/tiny-cloud not found" >&2
        exit 1
    fi
fi