Re: Unclear: CVS and Subversion repository difference.

On Friday 17 June 2005 23:04, Ben Collins-Sussman wrote:

> Somebody could have a snapshot of /
> branches/1.1, somebody else could have a snapshot of /branches/1.2,  
> and *both* people could claim to have the same global revnum!  That's  
> simply the natural consequence of subversion's schema.

Well I guess its deeper than just this. If you take tag/1.2/, for example, you
assume that it was created once and since then has never been changed, right?
(Otherwise it would not be a tag/ but a branch/, in to follow a popular
convention ;).

So, it tag/1.2/ first appeared at revision r4567, and now I have r5678, I can
still assume that it is the same as it was in rev. r4567, when it first
appeared, right? In some sence, then, tag/1.2/ is a snapshot of released
software at rev. r4567. If it was produced by a command 'svn copy trunk
tags/1.2' then it will be a snapshot of the trunk.

In this sence, revision versions _are_ meaningful, and it has perfect sense to
say that "version 1.2 is from revision r4567".

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