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Re: Recommended Merge Procedure for Trunk -> Branch

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2004-07-14 14:24:08 CEST

On Wed, 2004-07-14 at 07:13, Matthew.Hanson@micorp.com wrote:
> Hi,
> Our repository is setup as the following on Win2K platform using svn
> win32 1.0.5, as suggested:
> $REPOS_HOME/subversion/repos
> $REPOS_HOME/subversion/repos/project
> $REPOS_HOME/subversion/repos/project/trunk
> $REPOS_HOME/subversion/repos/project/tags
> The trunk head is currently at revision 12. I have created a tagged
> revision called tags/2.1 that was created (committed) as revision 11
> that is a copy of the trunk at revision 8. Several changes have been
> made to the trunk since revision 8. I would like to rev up the
> tags/2.1 revision to get the missing changes from the trunk (rev 12).

You want to change your tag? It's not really a tag then, is it? Isn't
it more of a branch? :-)

'svn merge' compares two trees and applies the diffs to a working copy.
So if you want /tags/2.1 to "absorb all changes between r8 and r12 that
happened on trunk", then you would compare two snapshots of trunk -- r8
and r12 -- and apply those to a working copy of /tags/2.1.

   $ cd tag-working-copy
   $ svn merge -r8:12 URL-of-trunk

> The merging from the docs is a little confusing, and it does not
> discuss reving from the trunk with higher revision to a branch or tag
> at a lower revision.

The revision is global to the repository; you need to stop talking
about different directories "being at different revisions". They're
not. Every directory in the repository is at HEAD, that is, at r12. It
may be that /tags/2.1 is a 'snapshot' of /trunk@r8, but that's about the
origin of /tags/2.1.

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Received on Wed Jul 14 14:26:48 2004

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