#!/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
CHROOT64="/var/local/chroot-amd64"
CHROOT32="/var/local/chroot-i386"
# master packages file inside of the chroot
MASTER="/var/local/packages"

####
 
MODE=$1; shift
 
case "$MODE" in
    clean)
	chroot $CHROOT64 apt-move delete
        exit 0
        ;;
        
    search|policy|show)
        chroot $CHROOT64 apt-cache $MODE $@
        exit 0
        ;;

    install)
	        PACKAGES="$*"
	        if [ -f $CHROOT64/$MASTER ]; then
	            OLDPACKAGES=`cat $CHROOT64/$MASTER`
	        else
	            OLDPACKAGES=
	        fi
	        for p in $OLDPACKAGES $PACKAGES; do echo $p; done | \
	            sort -u > $CHROOT64/$MASTER
        ;;
    upgrade)
	        if [ -f $CHROOT64/$MASTER ]; then
	            PACKAGES=`cat $CHROOT64/$MASTER`
	        else
	            exit 0
	        fi
        ;;
    *)
        echo "Usage:"
        echo "$0 clean"
        echo "$0 install <packages>"
        echo "$0 upgrade"
        exit 1
        ;;
esac


# Sync amd64 and i386 config files and apt caches
cp $CHROOT64/etc/apt/sources.list $CHROOT32/etc/apt/sources.list
chroot $CHROOT32 apt-get update

# Get all the packages
chroot $CHROOT64 apt-get update
chroot $CHROOT64 apt-get -d --yes --reinstall  install $PACKAGES

# Move i386 packages to the i386 chroot environment and get all dependencies
cp -f $CHROOT64/var/cache/apt/archives/*_i386.deb $CHROOT32/var/cache/apt/archives/
PACKAGES_i386=$(cd $CHROOT32/var/cache/apt/archives/ && ls -1 *.deb | cut -d'_' -f1)
chroot $CHROOT32 apt-get -d --yes --reinstall install $PACKAGES_i386

# Apt-move i386 chroot
chroot $CHROOT32 bash -c "export LANG=C ; apt-move get"
chroot $CHROOT32 bash -c "export LANG=C ; apt-move move"
chroot $CHROOT32 bash -c "export LANG=C ; apt-move packages"
chroot $CHROOT32 apt-get autoclean

# Apt-move amd64 chroot
chroot $CHROOT64 bash -c "export LANG=C ; apt-move get"
chroot $CHROOT64 bash -c "export LANG=C ; apt-move move"
chroot $CHROOT64 bash -c "export LANG=C ; apt-move packages"
chroot $CHROOT64 apt-get autoclean

# Generate Release files
/usr/local/sbin/generate_release_files.sh -a /var/local/mirrors-agregated/ubuntu/dists/precise