#! /bin/bash
#
# Executed after cron.unchecked

set -e
set -u

export SCRIPTVARS=/srv/security-master.debian.org/dak/config/debian-security/vars
. $SCRIPTVARS
SSH_SOCKET=~/.ssh/buildd.debian.org.socket
DISTS=$(dak admin s list)

if [ -e $ftpdir/Archive_Maintenance_In_Progress ]; then
	exit 0
fi

for dist in $DISTS; do
	eval SOURCES_$dist=`stat -c "%Y" $base/buildd/$dist/Sources.gz`
	eval PACKAGES_$dist=`stat -c "%Y" $base/buildd/$dist/Packages.gz`
done

cd $configdir
apt-ftparchive -qq -o APT::FTPArchive::Contents=off generate apt.conf.buildd

dists=


for dist in $DISTS; do
	eval NEW_SOURCES_$dist=`stat -c "%Y" $base/buildd/$dist/Sources.gz`
	eval NEW_PACKAGES_$dist=`stat -c "%Y" $base/buildd/$dist/Packages.gz`
	old=SOURCES_$dist
    new=NEW_$old
    if [ ${!new} -gt ${!old} ]; then
		if [ -z "$dists" ]; then
			dists="$dist"
		else
			dists="$dists $dist"
		fi
		continue
	fi
	old=PACKAGES_$dist
	new=NEW_$old
    if [ ${!new} -gt ${!old} ]; then
		if [ -z "$dists" ]; then
			dists="$dist"
		else
			dists="$dists $dist"
		fi
		continue
	fi
done

if [ ! -z "$dists" ]; then
	# setup ssh master process
	ssh wbadm@buildd -S $SSH_SOCKET -MN 2> /dev/null &
	SSH_PID=$!
	while [ ! -S $SSH_SOCKET ]; do
		sleep 1
	done
	trap 'kill -TERM $SSH_PID' 0
	for d in $dists; do
		ssh wbadm@buildd -S $SSH_SOCKET trigger.security $d
	done
fi