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Re: Tags and branches are NOT the same

From: John Peacock <jpeacock_at_rowman.com>
Date: 2006-03-20 22:11:16 CET

John Calcote wrote:
> I believe the fundamental concept of TAGS includes immutability. A
> mutable tag, by definition, is a branch, not a tag. Furthermore, making
> TAGS a first-class concept removes any need for mutability in tags.

The problem is that, /a priori/, you've decided that _your_ definition
is the *only* possible definition for "tag" and that anything else is
wrong. On the other hand, the Subversion project has decided that there
is no _functional_ advantage to elevating the concept of "tag" to a
first class object, since it is just as easy to deal with the same
_concept_ in several different ways.

I will go even farther and suggest that when a full-fledged ACL
functionality is available within Subversion itself, the concept of a
"tag" folder can be handled more easily with a CREATE right (as
different from WRITE) that will deal with this more naturally.

I could imagine a situation where a tag could be created and/or deleted,
but not updated (hence create/delete/create could be a replacement).
That isn't possible with your narrower interpretation.


John Peacock
Director of Information Research and Technology
Rowman & Littlefield Publishing Group
4501 Forbes Boulevard
Suite H
Lanham, MD  20706
301-459-3366 x.5010
fax 301-429-5748
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Received on Mon Mar 20 22:11:16 2006

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