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Re: Moving C to its own directory (was Re: ObjC tree inlining)

From: Karl Fogel <kfogel_at_newton.ch.collab.net>
Date: 2001-11-24 20:15:30 CET

<peter.westlake@arm.com> writes:
> I guess you mean it will store Unix symlinks or WIndows shortcuts,
> and similiar things, but just in case you were talking about the
> proposed Subversion vlink/reference feature, "svn ln", here's an
> observation.

Yes, the former (good points about the alternative, though).

-K

> If you implement this by storing the path to the target, it will
> get out of date as soon as the target is renamed. Broken links in
> the repository are clearly a bad thing. So you would use a node id
> instead. The problem then comes if you copy the target (svn cp), so
> that two nodes in the repository DAG point to it. You can check in
> to either the copy or the original, making a new node. Suppose the
> original target node has node revision id "T.3". The new node will
> be "T.4", whether it is created by a checkin to the original or the
> copy. Checking in to the other path (copy or original) will make a
> node "T.3.1.1". The point of all this is that you can't tell from
> the node [revision] id which node your link is meant to point at.
>
> Peter.
>
>
>
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Received on Sat Oct 21 14:36:49 2006

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