disco/client/bin/disco-fs-diff

#!/bin/bash

. /etc/disco/client.cfg

SCRIPTROOT=$(dirname $(readlink -f $0))
if [ "$NOOP" != "" ]; then
    DISCOROOT=/var/disco/testfs/noop
else
    DISCOROOT=/var/disco/testfs/real
fi

cd $DISCOROOT

CREATED=0
DELETED=0
MODIFIED=0

rsync --checksum --times --perms --owner --group -ani ./scratchfs/ ./rootfs/ --out-format "info: File: %i : %f : mode='%B', size='%l', mtime='%M'" |\
    sed -e s/"scratchfs"/""/ \
        -e s/"\.unionfs\/"/""/ \
        -e s/"info: File: .* : \(\/.*\)_HIDDEN~ : mode="/"info: File: *_deleted__ : \1 : mode="/|\
while read LINE
do 
    FNAME=$(echo $LINE | cut -d : -f 4 | sed s/"^ *"/""/ | sed s/" *$"/""/)    
    MD5_NEW=$(md5sum ${DISCOROOT}/scratchfs${FNAME} 2>/dev/null| cut -d " " -f 1)
    STAT_NEW=$(stat --format "owner='%G:%U', selinux='%C', md5='${MD5_NEW}'" ${DISCOROOT}/scratchfs/${FNAME} 2>/dev/null)
    if [ ! -d ${FNAME} ] && [ ! -d ${DISCOROOT}/scratchfs${FNAME} ]; then 
	diff -N ${FNAME} ${DISCOROOT}/scratchfs${FNAME} 2>/dev/null > /tmp/$$.diff
    fi
    echo "${LINE}, ${STAT_NEW}"
    if [ -f /tmp/$$.diff ]; then
	cat /tmp/$$.diff
    fi
    rm -f /tmp/$$* 2>/dev/null 
done

rm -f /tmp/$$*