#!/bin/bash
set -e -u # -x

cd /mnt/build-storage
declare -a skip=(
	python-trml2pdf
	samba tdb talloc tevent ldb univention-ldb-modules python3-smbpasswd
	python-docker docker.io runc containerd golang-1.13 golang-defaults
	python-notifier
	univention-system-setup univention-archive-key univention-net-installer
	crudesaml php-krb5 univention-heimdal eapol python-pam
	partman-btrfs user-setup
	-dbgsym_ -dbg_
	base-files  # AGPL added
	libtext-iconv-perl  # binNMU
	libvirt  # UCS disables Xen
	slapd_2.4.47+dfsg-3+deb10u6_amd64.deb  # translog
	squid  # SSL enabled
)
grep-dctrl --not -F Section univention --and -F Version 'A~5.0.0' -s Source:Package,Filename -n buildsystem/apt/ucs_5.0-0/a*/Packages |
	paste - - - |
	( IFS='|'; grep -Eve "${skip[*]}" ) |
	sort |
	while IFS='	' read -r src apt
	do
		src="${src%% *}" ucs="buildsystem/apt/$apt"
		[[ "$src" =~ (lib.|.) ]]
		sub=${BASH_REMATCH[1]}
		[[ "$apt" =~ .*/(.*)_(.*)_(.*)[.](.*) ]]
		pkg=${BASH_REMATCH[1]} ver=${BASH_REMATCH[2]} arch=${BASH_REMATCH[3]} type=${BASH_REMATCH[4]}

		case "$src" in
		apt) v='1.8.2.3' ;;
		libtext-iconv-perl) ver='1.7-5+b7' ;;
		*) v='*deb10*' ;;
		esac

		deb="$(for ver in "${ver/A~5.0.0.20??????????}" "${ver%-*}-${v}" "${v}"
		do
			ls -1 "upstream/debian/pool/main/${sub}/$src/${pkg}_"${ver}"_${arch}.${type}" 2>/dev/null &&
				break
		done)"
		out="$([ -f "$deb" ] && debdiff --nocontrol --quiet "$deb" "$ucs")" ||
			printf '*** %s *** %s *** %s ***\n%s\n\n' "$src" "$deb" "$ucs" "${out/\[The following lists of changes regard files as different if they have?different names, permissions or owners.\]??}"
	done 2>&1 |
	tee "${0%.sh}.diff"