Variable expansion in subversion properties

I guess you could call this a feature request. What I'm looking at specifically is a Subversion repository that I'm using to manage a multi-platform project that incorporates third-party binary code, which I am storing in the repository using the scheme described in the excellent "Pragmatic Version Control Using Subversion". Now, the binary code I am using will eventually be shared among several projects, and therefore it is an excellent candidate to be managed using the svn:externals property. However, since we're talking about a multi-platform project, the URL to the external projects to be pulled when I check out my main project is platform dependent.

For example, my project uses the SQLite database. The Solaris binaries for sqlite are stored in http://repository/vendor/sqlite/trunk/sparc-sol7/. The Windows binaries are stored in http://repository/vendor/sqlite/trunk/i586-Win32/.

Therefore, in order to effectively use the svn:externals property in this environment, I would have to be able to specify a URL that varies with the platform on which the checkout is being performed. IE, I would have to be able to set my svn:externals property to something like "http://repository/vendor/sqlite/trunk/$(ARCH)-$(OS)/", with ARCH and OS being variables that are substituted at checkout time. Thanks.

Tony

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Received on Wed Mar 23 00:31:57 2005