T o n g:
> If my RW branch only overwrite old file or write to new files, can this 
> aubrsync handle multiple RO branches? If not, what are my other choices 
> are?

The simple interface of the script doesn't support more than two
branches. With the complex interface (parameters), you may be able to
get what you want.

For example,
# mount -o remount,ro,shwh,mod:$MiddleRoBranch=ro+wh $AufsMntpnt
# aubrsync _move $AufsMntpnt $TopRwBranch $BottomRoBranch \
        "--remove-source-files \
        --exclude=$AUFS_WH_BASE --exclude=$AUFS_WH_PLINKDIR 
--exclude=$AUFS_WH_ORPHDIR \
        $TopRwBranch/ $MiddleRoBranch"


J. R. Okajima

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