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#!/bin/bash
set -e
host=${1%%:*}
path=${1#*:}
dst=$2
if [[ -z $1 || -z $2 ]]; then
echo "${0##*/}: <host:src> <dst>"
exit 0
fi
while :; do
port=$RANDOM
[[ $port -gt 1024 && $port -lt 65535 ]] && break
done
rm_tmpdir=$(ssh $host 'mktemp -d /tmp/rsyncd-scp.XXXXXX')
cleanup() {
ssh $host "kill \`<'$rm_tmpdir/pid'\`" &>/dev/null || true
ssh $host "rm -rf $rm_tmpdir"
}
trap cleanup EXIT INT TERM
ssh $host 'cat <<EOF >'"$rm_tmpdir"'/rsyncd.conf
max connections = 1
pid file = '"$rm_tmpdir"'/pid
lock file = '"$rm_tmpdir"'/lock
use chroot = no
log file = /dev/null
port = '$port'
[share]
path = '"$path"'
EOF
rsync --daemon --config='"$rm_tmpdir"'/rsyncd.conf;
'
rsync --progress --port $port "rsync://$host/share/" -rt "$dst"
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