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Re: Mnemomic names for revisions

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2005-05-10 02:39:44 CEST

On May 9, 2005, at 7:30 PM, Brian Huddleston wrote:

> Allow me to clarify then.
> Revision 1234 can't be changed.
> If I have Build_3 = 1234 then Build_3 is effectively immutable.
> That's (narrow) claim I was making below.
> If we want to go nuts we can even have:
> svnadmin nameMnemonicRevisionDammit Build_3 1235
> Error: You've already used 1235. If you really need to change it
> use --force.
> I think that would be nifty swell.

The only way to guarantee label immutability is to make it a piece of
versioned metadata attached to the revision. That means the label
would have to be chosen at commit time. I don't think anyone wants
that design; it means that labels couldn't be applied retroactively.

If the design allows labels to be applied retroactively, then it also
necessarily allows labels to be *accidentally* changed. Exactly like
the current implementation of tags.

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Received on Tue May 10 02:42:20 2005

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