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Re: When to merge sparse-directories branch to trunk?

From: Karl Fogel <kfogel_at_red-bean.com>
Date: 2007-02-21 06:51:52 CET

"Michael Brouwer" <mb.7766@gmail.com> writes:
> The way it works is. You do a checkout with the -N flag, or you do a full
> checkout and manually rm -rf any subtrees you are not interested in right now.
> svk update will never recreate a subdir (or file) you deleted this way. The
> only way to get back a file or dir that is missing (or was never checked out)
> is by using svk revert. By default revert will only give you the top level
> object you are reverting. If you want a whole subtree add the -R switch.
> svk status shows you any missing files/subdirs with '!' unless you pass it the
> -q switch in which case no '!" nor '?' files are shown.
> There's no mode in which you can have the missing directories as empty
> subdirs, and then expand them, right? Oh, but you don't need that,
> because you see them whenever you do 'svn st', they're prefixed with "!".
> Hmmm. That's a bit scary -- it implies an error when there isn't one.
> The user requested that things be this way, whereas "!" usually means
> something is wrong. On the other hand, maybe that's an interface
> detail that could be tweaked.
> In svk '!' simply means a file or directory which is under version control is
> missing from your working copy. This is actually exactly what is happening
> when you checkout a partial tree.
> Can you bring a subdir back in -N mode itself, though?
> Yes, svk revert subdir (without -R) will bring back just subdir itself.

Thanks for the writeup, Michael.

Hmmm. I feel like this sacrifices ease of use for ease of
implementation. There's nothing wrong with that in principle
(everything's a tradeoff), but it's pretty different from what we
decided on for an interface, and we chose the interface based on what
would be best for users while still implementable. (Also, does it cut
down on unnecessary server/client traffic? I.e., when a directory is
missing on purpose, are things arranged so that the server doesn't
send back changes under that directory in updates?)

(Btw, for those wondering where the commits are: I've had a busy
couple of weeks and haven't been able to work much on
sparse-directories, but next week is much clearer and I'll be able to
hack on it then.)

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Received on Tue Feb 20 21:48:48 2007

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