#! /bin/bash

set -x
set -v
set -e
set -u

#MIRRORDIR=/ifs/mirror
BASEDIR=${MIRRORDIR}/debian-backports
RSYNCSOURCE=rsync://debian.gtisc.gatech.edu/debian-backports/

RSYNC_OPTS="--recursive --links --hard-links --times --sparse --hard-links --block-size=8192 --timeout 3600 --perms"
#OTHER_OPTS="--verbose --stats --dry-run"
OTHER_OPTS="--verbose --stats"

# Options we only use in the first pass, where we do not want packages/sources to fly in yet and dont want to delete files
PASS1=(--exclude Packages\* --exclude Sources\* --exclude Release\* --exclude ls-lR\* --exclude Translation\*)
# Options for the second pass, where we do want everything, including deletion of old and now unused files
PASS2="--max-delete=40000 --delay-updates --delete --delete-after --delete-excluded --exclude \"project/trace/${HOSTNAME}\""

# The temp directory used by rsync --delay-updates is not
# world-readable remotely. Always exclude it to avoid errors. 
EXCLUDE="--exclude .~tmp~/"

rsync ${RSYNC_OPTS} ${OTHER_OPTS} "${PASS1[@]}" ${EXCLUDE} ${RSYNCSOURCE} ${BASEDIR}
rsync ${RSYNC_OPTS} ${OTHER_OPTS} ${PASS2} ${EXCLUDE} ${RSYNCSOURCE} ${BASEDIR}

mkdir -p ${BASEDIR}/project/trace
date -u > ${BASEDIR}/project/trace/mirrors.mit.edu