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RE: Re: FW: [DESIGN] Aliases?

From: Greg Hudson <ghudson_at_MIT.EDU>
Date: 2006-02-27 18:50:17 CET

On Mon, 2006-02-27 at 08:42 -0500, Gale, David wrote:
> Tags are inherently different from branches, and ought to be treated
> as such.

Nah, a tag is just a branch which oughtn't change. All the operations
which you might want to do on a tag, such as compare it to something
else, you might want to do for a branch as well.

You've pretty much hit on the main reason why I am opposed to revision
alias proposals: they treat tags differently from branches. As a
result, our UI would have one way of doing things for tags and another
way for branches, which would be a regression from the current situation
and a regression from CVS.

(Other reasons: mutability of revision aliases requires adding a second,
redundant history mechanism. Revision aliases inherently tag the whole
repository when it should be possible to apply a tag to only a part.
Revision aliases are different from the current method of tagging a
repository, and would introduce a transition issue for existing
repositories.)

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Received on Mon Feb 27 20:15:31 2006

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