#!/bin/bash

. ../lib.sh  # Include library

# Image
DISTRIB="archlinux"
ARCH=${ARCH:-"armhf"}
TARGET=${TARGET:-"rootfs-target"}
CLEAN_PATHS="/root/.bash_history /root/.history /etc/resolv.conf /etc/hostname /etc/ssh/*_key* /var/log/bootstrap.log"
PKGS_INCLUDE=${PKGS_INCLUDE:-"ca-certificates,cron,curl,iptables,iputils-ping,isc-dhcp-client,less,man-db,nano,nbd-client,net-tools,ntp,ntpdate,rsyslog,ssh,sudo,wget,whiptail,xnbd-client"}
# MIRROR=${MIRROR:-"http://mirror.cloud.online.net/ubuntu-ports/"}
VERSION=${VERSION:-"latest"}


# Required
NAME=${NAME:-"rootfs-$ARCH-$DISTRIB-$VERSION"}
build_image() {
    sudo wget -O source.tar.gz \
        http://os.archlinuxarm.org/os/ArchLinuxARM-armv7-$VERSION.tar.gz
    sudo tar -C "$TARGET" -xzf source.tar.gz
}

patch_image() {
    # prepare chroot
    sudo umount $TARGET/{sys,dev,proc} || true
    sudo mount -t proc proc $TARGET/proc
    sudo mount -t sysfs sys $TARGET/sys
    sudo mount -o bind /dev $TARGET/dev
    sudo rm -f $TARGET/etc/mtab
    do_in_target "grep -v rootfs /proc/mounts | sudo tee -a $TARGET/etc/mtab"
    sudo mkdir -p $TARGET/run/systemd/resolve
    sudo cp /etc/resolv.conf $TARGET/run/systemd/resolve/resolv.conf


    # FIXME: patch_target archlinux-latest/patches

    # FIXME: locales
    # - do_in_target "locale-gen en_US.UTF-8"

    # ssh server
    do_in_target "pacman -S --noconfirm openssh"
    do_in_target "systemctl enable sshd.service"

    # clean chroot
    sudo rm -f $TARGET/etc/mtab $TARGET/run/systemd/resolve/resolv.conf
    sudo umount $TARGET/proc
    sudo umount $TARGET/sys
    sudo umount $TARGET/dev
}

upgrade_image() {
    # FIXME: upgrade security packages
    echo
}

clean_image() {
    # FIXME: clean package achives
    clean_target $CLEAN_PATHS
    # FIXME: reload package index
}


if [ "${1}" != "--source-only" ]; then
    cli $@
fi