On Tue, Mar 02, 2010 at 08:12:22AM -0800, Jakub Narebski <jnareb@xxxxxxxxx> wrote: > I don't know about Darcs, or BitKeeper, or ClearCase, or Perforce. Darcs does not have immutable history. It uses hashes instead of integer versions (because of being distributed), but it computes the hash like this: http://progetti.arstecnica.it/tailor/browser/vcpx/repository/darcs/source.py#L495 So basically the commit hash does not use the hash of the commit contents, only the commit date/author/message/etc.
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