#! /bin/sh
set -e

MESSAGE='Automatic update of included source packages'

./build-manifest > manifest

# Has anything changed?
cmp -s manifest.old manifest && exit 0

TOPDIR=.
if [ ! -e debian/changelog ]; then
	TOPDIR=..
	if [ ! -e ../debian/changelog ]; then
		echo "cannot find debian/changelog" >&2
		exit 1
	fi
fi

sep=:
for changed in $(sort -u manifest.old manifest | cut -d' ' -f1 | uniq -d); do
	new="$(echo "$changed" | join -o 2.2 - manifest)"
	MESSAGE="$MESSAGE$sep $changed $new"
	sep=,
done
MESSAGE="$MESSAGE."

echo "$MESSAGE"
(cd $TOPDIR && dch -t -D UNRELEASED "$MESSAGE")

rm -f manifest.old