#!/bin/bash
set -e

url="http://ftp.debian.org/debian/dists/squeeze/ChangeLog"
prefix="/var/univention/buildsystem2/apt/ucs_3.1-0/source"

die () {
    echo "$*" >&2
    exit 1
}
t=$(mktemp -d) || die "Failto to create temporary directory"
trap "rm -rf '$t'" EXIT
cd "$t" || die "Failed to change directory"

find_src () {
    local pkg="$1" rel file
    for rel in 3.1-0 3.0-0-errata3.0-2 3.0-0-ucs3.0-2 3.0-0-errata3.0-1 3.0-0-ucs3.0-1 3.0-0-errata3.0-0 3.0-0
    do
        for file in "/var/univention/buildsystem2/apt/ucs_${rel}/source/${pkg}_"*
        do
            case "$file" in
                *.orig.tar|*.orig.tar.gz|*.orig.tar.bz2|*.orig.tar.lzma|*.orig.tar.xz)
                    ;;
                *.debian.tar|*.debian.tar.gz|*.debian.tar.bz2|*.debian.tar.lzma|*.debian.tar.xz)
                    tar xf "$file" debian/changelog
                    dpkg-parsechangelog -c1 -o1 | sed -ne 's/^Version: //p'
                    return 0
                    ;;
                *.tar.gz|*.tar.bz2|*.tar.lzma|*.tar.xz)
                    tar xf "$file" --strip-components=1 --wildcards \*/debian/changelog
                    dpkg-parsechangelog -c1 -o1 | sed -ne 's/^Version: //p'
                    return 0
                    ;;
                *.diff.gz)
                    gzip -dc "$file" | filterdiff -p1 -i debian/changelog | patch -s -p1
                    dpkg-parsechangelog -c1 -o1 | sed -ne 's/^Version: //p'
                    return 0
                    ;;
            esac
        done
    done
    return 1
}

# wget -qO- "$url" |
# sed -rne '/Debian 6.0.6 released/,/Debian 6.0.5 released/s/^(\S+) \((\S+)\) \S+; urgency=.*$/\2\t\1/p' |
# uniq -f1 |
while read soll pkg
do
    rm -rf debian
    ist= op=eq
    case "$pkg" in
        # Not in UCS
        debian-archive-keyring) continue ;;
        debian-installer-netboot-images) continue ;;
        ia32-libs) continue ;;
        linux-2.6) continue ;;
        linux-kernel-di-*) continue ;;
        nvidia-graphics-drivers) continue ;;
        nvidia-graphics-modules) continue ;;
        xen) continue ;;
        xen-qemu-dm-4.0) continue ;;
        kfreebsd-8) continue ;;
        # Errata
        expat) continue ;;
        sudo) continue ;;
        python-crypto) continue ;;
        ffmpeg) continue ;;
        libxml2) continue ;;
        openjdk-6) continue ;;
        mysql-5.1) continue ;;
        openssl) continue ;;
        # Version bump
        mono) op=le ;;
        pcp) op=le ;;
        checkgmail) op=le ;;
        emesene) op=le ;;
        # Newer
        bind9) op=le ;;
        qemu) op=le ;;
        qemu-kvm) op=le ;;
        # Special
        freeradius) ist="2.1.10+dfsg-2" ;;
    esac
    [ -n "$ist" ] || ist="$(find_src "$pkg")" || true
    dpkg --compare-versions "$soll" "$op" "$ist" || echo "$pkg	$soll	${ist:-MISSING}"
done <<__EOF__
2.00+dfsg-6+squeeze1	alpine
2.2.16-6+squeeze8	apache2
2.1a15-1.1+squeeze1	arpwatch
1:1.6.2.9-2+squeeze6	asterisk
1:1.10.3-1+squeeze1	automake1.10
1:1.11.1-1+squeeze1	automake1.11
6.0squeeze6	base-files
1.0.1-3+squeeze2	bcfg2
1.5.4-4+squeeze1	beaker
1:9.7.3.dfsg-1~squeeze7	bind9
1.13+svn43-2+squeeze0.1	checkgmail
0.97.5+dfsg-5	clamav
2010.08.28+squeeze1	debian-archive-keyring
20110106.squeeze4.b2	debian-installer-netboot-images
2.10.69+squeeze4	devscripts
1:3.2.3-5+squeeze1	dhcpcd
1.15.8.13	dpkg
2.11.3-4	eglibc
1.6.3-1.1	emesene
1:2.6.6-1squeeze1	fckeditor
4:0.5.9-1	ffmpeg
2.1.10+dfsg-2+squeeze1	freeradius
1.0.8.4-1+squeeze1	geshi
3.23-1+squeeze1	globus-gridftp-server
0.43-1+squeeze1	globus-gridftp-server-control
2.6.11-3+squeeze2	gosa
6.2u5-1squeeze1	gridengine
20120926	ia32-libs
2.0.11-14	iceape
3.0.11-1+squeeze12	icedove
3.5.16-17	iceweasel
3.20100815.9	ikiwiki
4.3.7+debian0-2.2	imp4
4.1.1-P1-15+squeeze6	isc-dhcp
8.1+dfsg-8+squeeze3	kfreebsd-8
1.8.3+dfsg-4squeeze6	krb5
2.5.12-1+squeeze1	libapache-mod-security
0.5-3+squeeze1	libapache2-mod-rpaf
2.52-1+squeeze1	libconfig-inifiles-perl
1:6.8-2	libgc
0.6.4-2+squeeze1	libgdata
3.6+dfsg-1+squeeze1	libjakarta-poi-java
1.0.3-1+squeeze2	libmtp
2.5.6.SEC02-2+squeeze1	libspring-2.5-java
2.7.8.dfsg-2+squeeze5	libxml2
1.1.26-6+squeeze1	libxslt
2.3~pre1-1+squeeze1	links2
2.6.32-46	linux-2.6
1.76+squeeze8	linux-kernel-di-amd64-2.6
1.99+squeeze8	linux-kernel-di-i386-2.6
0.1.15+squeeze1	lockfile-progs
1.2.6-2+squeeze5	mahara
1.1.8+dfsg-10squeeze2	mantis
1.9.3-1+squeeze2	moin
2.6.7-5.1	mono
2.2.1-1+squeeze1	mysql-mmm
0.8.1-6+squeeze2	network-manager
3.2.5-1.squeeze2	nsd3
3.12.8-1+squeeze5	nss
0.7.15+squeeze2	nss-pam-ldapd
2.4.3-1.1squeeze2	nut
195.36.31-6squeeze2	nvidia-graphics-drivers
195.36.31+4	nvidia-graphics-modules
2.25-0.1+squeeze1	openconnect
6b18-1.8.13-0+squeeze2	openjdk-6
1:3.2.1-11+squeeze7	openoffice.org
0.9.8o-4squeeze13	openssl
2.4.9+dfsg1-3+squeeze3	otrs2
3.3.3-squeeze2	pcp
1.0.2-1+squeeze2	php-memcached
5.3.3-7+squeeze13	php5
2.7.3-1+squeeze3	pidgin
3.2.0-5+squeeze1	pidgin-otr
0.8.3-9.2	plymouth
0.1.15.1-2+squeeze1	policyd-weight
8.4.13-0squeeze1	postgresql-8.4
113+squeeze1	postgresql-common
1.11-1+squeeze1	powertop
2.1-2+squeeze1	publican
2.6.2-5+squeeze6	puppet
2.1.0-2+squeeze1	python-crypto
1.2.3-3+squeeze3	python-django
0.12.5+dfsg-3squeeze2	qemu
0.12.5+dfsg-5+squeeze9	qemu-kvm
0.99.20.1-0+squeeze3	quagga
2.3.5-1.2+squeeze3	rails
3.8.8-7+squeeze5	request-tracker3.8
2.3.2-13squeeze1	rssh
4.0.1-4+squeeze1	rstatd
2.4.2-4+squeeze1	rtfm
2.1.1-3squeeze5	spip
4.4.1-5.2	strongswan
1.7.4p4-2.squeeze.3	sudo
6.0.1+dfsg-4+squeeze1	sympa
0.2.2.39-1	tor
1.0.1-3+squeeze1	ttb
4.3.9+dfsg1-1+squeeze5	typo3-src
1:0.24.3-4	vte
4.00-4+squeeze1	wims
1.2.11-6+squeeze7	wireshark
3.3.2+dfsg-1~squeeze1	wordpress
4.0.1-5.4	xen
4.0.1-2+squeeze2	xen-qemu-dm-4.0
2:2.13.0-7	xserver-xorg-video-intel
1.88-2+squeeze1	yaws
1:1.8.2-1squeeze4	zabbix
1.10.6-1squeeze1	zendframework
__EOF__