#!/bin/bash

set -e

while :; do
	port=$RANDOM
	[[ $port -gt 1024 && $port -lt 65535 ]] && break
done

tmpdir=$(mktemp -d /tmp/start-rsyncd.sh.XXXXXX)

cleanup() {
	rm -rf "$tmpdir"
}

trap cleanup EXIT INT TERM

cat <<EOF >"$tmpdir/rsyncd.conf"
max connections = 1
pid file = $tmpdir/pid
lock file = $tmpdir/lock
use chroot = no
log file = /dev/stderr
read only = true
port = $port
uid = $USER
[share]
  path = $PWD
EOF

echo "use: rsync -rtP --port $port \"rsync://$(hostname -f)/share/\" \"share-copy/\""
echo "stating rsyncd..."
rsync --daemon --no-detach --config="$tmpdir/rsyncd.conf"