#!/bin/sh
# fetch and separate out package, version lists for 2 releases
# Copyright 2015 <ubuntu@iam.tj>
# Licensed on the terms of the GNU General Public License version 3

if [! -$# < 2 ]; then
  echo "usage: $0 release1 release2"
  exit 1
fi
 
for DIST in $1 $2; do
  mkdir -p ${DIST};
  for COMPONENT in main universe multiverse restricted; do
    wget -O ${DIST}/${COMPONENT}-Packages.gz http://archive.ubuntu.com/ubuntu/dists/${DIST}/${COMPONENT}/binary-amd64/Packages.gz
  done
  gunzip ${DIST}/*.gz
  awk '/^Package:/{P=$2}/^Version:/{print P, $2}' ${DIST}/*-Packages > ${DIST}-packages.list
done