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RE: Re: Is label support in future release?

From: Scott Pritchett <scott.pritchett_at_amtrak.co.uk>
Date: 2006-11-21 12:41:20 CET

You could always export each version to a new folder then check that in and then tag the version with a nice name.

-----

>But Subversion's revision number applies to the whole repository. You
>seem to want a mechanism which allows you to say "I want file a as at
>7:00, file b as at 6:30 and file c as at last week". That is an entirely
>different kettle of ball games, and, as far as I can see, goes against
>the whole idea of how Subversion works.

-----Original Message-----
From: Nikki Locke [mailto:info@trumphurst.com]
Sent: 21 November 2006 11:30
To: users@subversion.tigris.org
Subject: Re: Is label support in future release?

John Rouillard wrote:
> On Mon, Nov 20, 2006 at 07:30:09PM -0000, Nikki Locke wrote:
> > What commands can you do with a label/revision no (using -r<label>)
> > that you can't do with a tag (using the tag url)?

> How about cherry pick multiple files at different revisions without
> going crazy? See any of my prior emails/use cases on the issue.

If you want two different files from the same directory at different
revision numbers, then you don't want to be using Subversion. As far as
I can see, Subversion is built round the assumption that the smallest
unit you can check out is a directory. I can see how any attempt to go
against this basic assumption would meet with a lot of resistance.

If you just want different directories, each at different revisions,
then it is easy - check out a working copy containing the versions you
want, test everything works as desired, then tag the working copy.

> The problem with SVN's tags as I see it is that it defies common
> understandings of space/time. Space is branches - different lines of
> development, different files in a tree etc. It is the "name" or
> location of the object you are working on. All can be handled by a
> url.
>
> Versions/revisions always occur along the time axis not the space
> axis. SVN even recognizes this by allowing date or revision numbers as
> the parameter to the -r flag. SVN just doesn't follow through on it
> preferring to use space (a tag) to define a point in time (release of
> a portion of a tree) rather then supplying a true time only based
> mechanism for identifying revisions of a given file or compatible
> revisions of a set of files.
>
> That is IMHO the crux of the issue and will continue to be until some
> more natural/orthoginal mechanism for identifying revisions of files
> that should be treated as a single entity is devised.

Subversion provides a time-only mechanism - it's called the revision
number. Having a symbolic name (label) for a revision number might
conceivably be a good thing.

But Subversion's revision number applies to the whole repository. You
seem to want a mechanism which allows you to say "I want file a as at
7:00, file b as at 6:30 and file c as at last week". That is an entirely
different kettle of ball games, and, as far as I can see, goes against
the whole idea of how Subversion works.

-- 
Nikki Locke, Trumphurst Ltd.      PC & Unix consultancy & programming
http://www.trumphurst.com/
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Received on Tue Nov 21 12:40:41 2006

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