#!/bin/sh
set -u

RSYNCSOURCE=rsync://ftp.acc.umu.se/ubuntu-releases
LOCKFILE="/var/lock/ubuntu-releases-sync"
LOGFILE="/var/log/ubuntu-releases-sync.log"
RSYNCLOGFILE="/var/log/ubuntu-releases-rsync.log"
BASEDIR=/storage/ubuntu/releases

rsynclog() {
	echo `date +%c` " $1" >> $RSYNCLOGFILE
}

log() {
	echo `date +%c` " $1" >> $LOGFILE
}

fatal() {
	log "FATAL: $1"
	echo "FATAL: $1"
	log "Program exit"
	exit 1
}

warn() {
	log "WARNING: $1"
	echo "WARNING: $1"
}

if /usr/bin/lockfile -! -l 43200 -r 0 "$LOCKFILE"; then
	fatal "Lockfile ($LOCKFILE) found, not starting archive sync"
fi
trap 'log "Removing lockfile"; rm -f $LOCKFILE; log "Sync exiting"' EXIT

log "Sync starting"
rsynclog "Sync starting from ${RSYNCSOURCE} to ${BASEDIR}"
annotate-output +%c rsync \
	--verbose \
	--recursive \
	--times \
	--links \
	--hard-links \
	--stats \
	--timeout 1800 \
	${RSYNCSOURCE} ${BASEDIR} >> ${RSYNCLOGFILE}

log "Sync finished"