#! /bin/bash

. /usr/lib/pbuilder/pbuilder-checkparams
. /usr/lib/pbuilder/pbuilder-modules

CHROOTEXEC="chroot $BUILDPLACE "

test -n "$DISTRIBUTION" && echo "Upgrading for distribution $DISTRIBUTION" 

echo "cleaning the build env"
rm -rf $BUILDPLACE

echo "building the build env"
echo " -> extracting base.tgz"
mkdir -p $BUILDPLACE
cd $BUILDPLACE
tar xfzp $BASETGZ
mountproc
mkdir -p $BUILDPLACE/tmp/buildd
echo " -> copying local configuration"
for a in passwd hosts hostname resolv.conf; do 
  cp /etc/$a $BUILDPLACE/etc/$a;
done

if [ -n "$DISTRIBUTION" ]; then
  echo Installing apt-lines
  cat > $BUILDPLACE/etc/apt/sources.list << EOF
deb $MIRRORSITE $DISTRIBUTION main contrib non-free
deb-src $MIRRORSITE debian $DISTRIBUTION main contrib non-free
EOF
fi

echo "Refreshing the base.tgz "
echo " -> upgrading packages"
$CHROOTEXEC /usr/bin/apt-get update
$CHROOTEXEC /usr/bin/dpkg --purge lilo
$CHROOTEXEC /usr/bin/apt-get -y dist-upgrade
$CHROOTEXEC /usr/bin/apt-get -y install build-essential dpkg-dev apt $EXTRAPACKAGES
$CHROOTEXEC /usr/bin/apt-get clean
umountproc
echo " -> creating base.tgz"
cd $BUILDPLACE
tar cfz $BASETGZ *