removing stuff from repository, permanently

Hello.

As far as I know, there currently is no way to completely remove a part of repository,
short of editing a dump file by hand or writing scripts to do that.

I am about to start hacking on svnadmin and libsvn_repos to allow excluding selected paths when loading
a dump file.

I think this is possible by extending svn_repos_load_fs() to take a list of path-prefixes and
a flag to determine the meaning of the list : whether to exclude listed prefixes from
loading into repository or to load only matching paths.

By dumping in carefully selected ranges of revisions and loading those dumps excluding even more carefully
selected paths it would be possible to get rid of any undesired information.

Is this worth doing?

-- 
./lxnt
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