#!/bin/bash

TEXTDOMAIN=vbootstrap
TEXTDOMAINDIR=/usr/share/locale

VERSION=@@VBOOTSTRAP_VERSION@@

##

VBOOTSTRAPDIR="/usr/share/vbootstrap"
SUPPORTED_VERSION="$(ls $VBOOTSTRAPDIR/scripts/)"

##

usage()
{
  echo "Usage: vbootstrap <version>_<arch> <url> <targetdir>"
  echo "  supported <version>_<arch>:"
  for ver in $SUPPORTED_VERSION
  do
    echo "    $ver"
  done
}

##

if [ "$(id -u)" != "0" ]
then
  usage
  echo "E: You should run vbooststrap as super user."
  exit 0
fi

if ! [ $# -eq 3 ]
then
  usage
  echo "E: You must specify a vine version, location and target."
  exit 0
fi

INSTVER=$1
shift

if [ -f "$VBOOTSTRAPDIR/scripts/$INSTVER" ]
then
  source $VBOOTSTRAPDIR/scripts/$INSTVER
else
  usage
  echo "E: $INSTVER is not supported."
  exit 0
fi

FETCHURL=$1
shift

INSTDIR=$1
shift

if [ -d "$INSTDIR" ]
then
  echo "E: Specified directory \"$INSTDIR\" is already exists."
  usage
  exit 0
fi

##

APT_OPTS="
    -o Dir::Etc::sourcelist=$INSTDIR/etc/vbootstrap/sources.list.d/$INSTVER
    -o RPM::RootDir=$INSTDIR
    -o Dir::Etc::sourceparts=$INSTDIR/etc/apt/sources.list.d 
    -o Dir::State=$INSTDIR/var/lib/apt
    -o Dir::Cache=$INSTDIR/var/cache/apt "

##

# generate source.list of $INSTVER
mkdir -p $INSTDIR/etc/vbootstrap/sources.list.d
sed -e "s,@@FETCHURL@@,${FETCHURL}," $VBOOTSTRAPDIR/sources.list.d/$INSTVER > $INSTDIR/etc/vbootstrap/sources.list.d/$INSTVER || exit 1

# initialize rpm database
echo $"Initializing RPM database in $INSTDIR."
mkdir -p $INSTDIR/var/lib/rpm
rpm --initdb --root $INSTDIR

# update apt database
echo $"update apt database."
mkdir -p $INSTDIR/var/lib/apt/lists/partial
mkdir -p $INSTDIR/var/cache/apt/archives/partial
apt-get -qq $APT_OPTS update

# misc setup files
mkdir -p $INSTDIR/etc
touch $INSTDIR/etc/mtab

# create some device files
mkdir $INSTDIR/dev
mknod $INSTDIR/dev/null c 1 3
mknod $INSTDIR/dev/console c 5 1

# install base vine linux system.
echo $"Installing basesystem."
for i in $BASE_PKGS
do
  apt-get -y -qq $APT_OPTS install $i
done

# run post install script
vbootstrap_post

echo $"vbootstrap done."