ceph/qa/workunits/fs/misc/multiple_rsync.sh

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#!/bin/sh -ex
# Populate with some arbitrary files from the local system. Take
# a copy to protect against false fails from system updates during test.
export PAYLOAD=/tmp/multiple_rsync_payload.$$
sudo cp -r /usr/lib/ $PAYLOAD
set -e
sudo rsync -av $PAYLOAD payload.1
sudo rsync -av $PAYLOAD payload.2
# this shouldn't transfer any additional files
echo we should get 4 here if no additional files are transferred
sudo rsync -auv $PAYLOAD payload.1 | tee /tmp/$$
hexdump -C /tmp/$$
wc -l /tmp/$$ | grep 4
sudo rsync -auv $PAYLOAD payload.2 | tee /tmp/$$
hexdump -C /tmp/$$
wc -l /tmp/$$ | grep 4
echo OK
rm /tmp/$$
sudo rm -rf $PAYLOAD