Externals (are excellent)

See: Subversion Book, Chapter 7. Advanced Topics, Externals Definitions

http://svnbook.red-bean.com/en/1.0/ch07s03.html

To automatically checkout a project as a sub-folder of an existing project:

Right click on the root folder of your project e.g.

C:\projects\lucene-stuff\

Choose Properties and click on the Subversion tab.

Add a property svn:externals. The property should be a folder name followed by the url of the sub-project e.g.

subfolder http://myserver/svn/home/patrick/sub-project/

In this example, a Subversion “update” command will checkout the contents of sub-project to

C:\projects\lucene-stuff\subfolder\