Observation on tagging partial trees with different rev levels.

["YON - Jan C. Hardenbergh" <jc...@terarecon.com>]

I am writing this in the hopes it may save others a few hours of 
experimentation, or perhaps a discussion of things I have missed, or 
even some reassurance that "sparse directories" will do what we want. If 
it does, I will check it out after our current release. We have a few 
scripts to manage the partial repository checkouts that work fine, 
except for one issue.

The issue is how to create a tag of a partial tree with different rev 
levels in different directories. See my definition of a partial 
repository (tree) below.

First, IF all of the directories are at the same rev level, just tag the 
whole repository. It is fast & cheap with no downside.

We have been using SVN for about a year and we getting close to our 
first major product release using SVN, so, I finally had to figure it out.

My conclusion - you cannot. So, what to do? Checkout the whole tree. 
Update the directories you want. Copy from WC to tag.

Checkout the whole tree:

svn checkout http://hibbert.rtviz.com/svn/VolumePro/trunk trunk

Now modify what you wish:

svn checkout -r {2008-10-26} 
http://hibbert.rtviz.com/svn/VolumePro/trunk/sw/drivers trunk/sw/drivers

and now make a tag from the working copy:

svn cp trunk http://hibbert.rtviz.com/svn/VolumePro/tags/vli_4_1_0_20081031

And Bob's yer uncle!


-jch

REFERENCES:

Subject: Re: Copy of a partial tree?
From: Karl Fogel <kfogel_at_red-bean.com>
Date: 2007-04-20 00:10:02 CEST

Subject: RE: Re: Best practice for partial repository checkout
From: Jan Hardenbergh <hardenbergh_at_terarecon.com>
Date: Thu, 22 May 2008 10:59:59 -0400

So, for the sw library product, we only need (for example...)

 common/PNGFile
 common/include
 hw/falcon/include
 sw/xyz
 sw/utils

We have one script which does the initial checkout and another script 
that updates the tree - both use pysvn. Here is the update script:

<script in email archives>


-- 
YON - Jan C. Hardenbergh, jch@terarecon.com, 978-369-6500x272
Director of VolumePro Software Engineering, TeraRecon, Inc. Concord



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