From bhp at u.washington.edu  Fri Nov  9 03:08:34 2007
From: bhp at u.washington.edu (Braden)
Date: Fri, 9 Nov 2007 03:08:34 -0800
Subject: Upcoming Subversion Repository Layout Change
Message-ID: <3C854FE0-D49F-4C28-B8B6-1F861442F67A@u.washington.edu>

Last spring we converted the UrbanSim source code repository to use  
the subversion revision control system.  This has mostly worked out  
very well, but we'd like to make an additional change to our  
repository, to follow a more standard layout, namely separate root  
directories for trunk, tags, and branches.  trunk/ is where the  
development version of Opus will be, and tags/ will hold release  
versions.

If you've just been using the zip file with the stable release of Opus/ 
UrbanSim, you don't need to do anything.  However, if you are using  
the repository to get the development version of the code, please read  
on:

We're going to change the repository to the new layout on Monday Nov  
12, around noon.  What this means for anyone using the repository is  
basically that this:

   https://trondheim.cs.washington.edu/svn/opus/

will become this:

   https://trondheim.cs.washington.edu/svn/opus/trunk/

The easist thing will be to simply delete the old version of the Opus/ 
UrbanSim code, and re-checkout once the layout change has been made.   
You can do this any time after the changeover on Monday (it doesn't  
need to be done immediately).

If you've made modifications yourself to the code, and you want to  
save your modifications, check to see which files you have modified or  
added (e.g. 'svn status').  Then move your entire checkout elsewhere,  
re-checkout the repository after the conversion, and copy the modified  
files from your old checkout to the new one.  You can then delete the  
old checkout.

(There is also another technique for handling modifications to the  
code, using the svn 'switch' command, but we haven't tried it -  
deleting and checking out again is probably simpler.)

Please let us know if you have any questions or concerns - we will try  
to help!

   - Braden

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