#!/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
# 2012-12 Modified by Jorge Suárez de Lis <jorge.suarez@usc.es>

# the root directory of the mirror system
CHROOT=/var/local/chroot-amd64
# the mirror directory inside of the chroot
MIRRORDIR=/var/local/mirrors-amd64/ubuntu/dists/precise
# master packages file inside of the chroot
MASTER=/var/local/packages

####

MODE=$1; shift

case "$MODE" in
    clean)
        chroot $CHROOT apt-move delete
        exit 0
        ;;
    search|policy|show)
        chroot $CHROOT_BASEDIR-$ARCH apt-cache $MODE $@
        exit 0
        ;;
    install)
        PACKAGES="$*"
        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"
        echo "$0 search"
        echo "$0 policy <package>"
        echo "$0 show <package>"
        exit 1
        ;;
esac

chroot $CHROOT apt-get update
chroot $CHROOT apt-get -d --yes --reinstall install $PACKAGES
chroot $CHROOT apt-move get
chroot $CHROOT apt-move move
chroot $CHROOT apt-move packages
/usr/local/sbin/generate_release_files.sh -a $MIRRORDIR
chroot $CHROOT apt-get autoclean