So you know a lot of Mac apps use "bundles": It looks like a single file to your application, but it's actually a folder with many files inside.
For a version control system to handle this, it needs to:
Any ideas on the best way to handle this with existing version control systems? Are any of the versioning systems more adept in this area?
Mercurial in particular versions based on file, not directory structure. Therefore, your working tree, which is a fully-fledged repository, doesn't spit out .svn folders at each level.
It also means that a directory that is replaced, like an Application or other Bundle, will still find it's contents with particular file names under revision control. File names are monitored, not inodes or anything fancy like that!
Obviously, if a new file is added to the Bundle, you'll need to explicitly add this to your repository. Similarly, removing a file from a Bundle should be done with an 'hg rm'.
There aren't any decent Mercurial GUIs for OS X yet, but if all you do is add/commit/merge, it isn't that hard to use a command line.
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