Backups with svnadmin dump using -r ?

At the moment I back up my repository using this script from a cron
job:

#v+
DSTR=`date +%Y%m%d-%H%M` # e.g. 20011230-0305
REPOS='/usr/local/svn/repository'
DUMP_NAME="bunsen-svn-${DSTR}.dump"

pushd /var/scratch/backups
svnadmin dump -q ${REPOS} >${DUMP_NAME}
popd
#v-

and I later copy the back-up file somewhere safe. The repository is
almost at version 700 now, and I never need to look back more than a
couple of revisions, so I'd be willing to lose a lot of history in
order to reduce the size of the back-up file, but I want to check that
I understand the -r option correctly. If I change the dump command to

svnadmin dump -q -r 600:HEAD ${REPOS} >${DUMP_NAME}

and I need to restore the repository from the back-up, does that mean
I could do all of "svn up -r 600", "svn up -r 601", ..., "svn up"
successfully from it? For example, would it keep files that had been
checked in at r300 and not modified since then?

Thanks,
Adam

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Received on 2009-10-14 21:16:49 CEST