dev.

When you have to display the latest global svn revision number in your application you face different options.
Using Subversion keywords, like $Revision$ or $Id$, sounds like the most natural approach. Unfortunately the keywords are updated only when you change and commit the corresponding file. In short: if you intend to grab the revision ID from a central header file, like version.h, this file has to be edited and committed whenever a svn commit on any file in your project takes place. So either you do that manually (“erm, no?” – right!), or you create a commit hook and bloat your repository.
Another approach is to fetch the latest number of the latest revision and update your version.h as part of your build. In short: whenever you trigger a build by calling make, ant or build your project in your IDE, you invoke a script that generates your header file (or .java, .cs, .rb … you name it). On Linux and Unix, you might use a script just like this:
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