Subversion - put version number in a file

I just want a single file, called "revision", which contains the repository revision number at any given time so that when I export my repository, my application is able开发者_Python百科 to see which revision it was.

How can I do this?

The problem with using normal Keyword Substitution is that $rev$ only shows the last revision in which that file changed. I haven't tried it myself, but there is a tool called svnversion that comes with SVN that I believe you can use to get the revision number of the working copy. It's then just a case of configuring your build process to use this tool and insert the result into your revision file.

There is a good guide on how to use svnversion (especially if you're using ANT) here: http://cameronstokes.com/2009/12/12/using-svnversion-from-ant

I suppose you could do something using pre-commit hook, but I don't really know if that's such a great idea.

Why don't you version your app on its own? (and eg. put version number in the commit comment) Wouldn't that be a simpler solution?

What is more svn revision numbers are given one by one no matter what branch it's being committed to - is this ok for you?

Try checking this out. We used to do this with CVS.

http://svnbook.red-bean.com/en/1.4/svn.advanced.props.special.keywords.html