#!/bin/sh
# update a partial Debian mirror with apt-move
# 2004-02, W. Borgert <debacle@debian.org>
# Released under the terms of the GNU General Public License

# the root directory of the mirror system
CHROOT=/var/local/chroot
# the mirror directory inside of the chroot
MIRRORDIR=/var/local/mirrors/debian
# master packages file inside of the chroot
MASTER=/root/packages

####

MODE=$1; shift

case "$MODE" in
    clean)
	chroot $CHROOT apt-move --force delete
	exit 0
	;;
    install)
	PACKAGES="$*"
	if [ -f $CHROOT/$MASTER ]; then
	    OLDPACKAGES=`cat $CHROOT/$MASTER`
	else
	    OLDPACKAGES=
	fi
	for p in $OLDPACKAGES $PACKAGES; do echo $p; done | \
	    sort -u > $CHROOT/$MASTER
	;;
    upgrade)
	if [ -f $CHROOT/$MASTER ]; then
	    PACKAGES=`cat $CHROOT/$MASTER`
	else
	    exit 0
	fi
	;;
    *)
	echo "Usage:"
	echo "$0 clean"
	echo "$0 install <packages>"
	echo "$0 upgrade"
	exit -1
	;;
esac

chroot $CHROOT apt-get update
chroot $CHROOT apt-get install \
    --option 'DPkg::Options::=--dry-run' --yes $PACKAGES
chroot $CHROOT apt-move get
chroot $CHROOT apt-move move
chroot $CHROOT apt-move packages
chroot $CHROOT /root/make-release -a $MIRRORDIR
chroot $CHROOT apt-get autoclean