Although it has a slightly different focus, I advise reading up on Bundler,
the Ruby library versioning tool created by Yehuda Katz to bring sanity to
It has an interesting version symbol to indicate upgrading along a major
That will allow 1.2.0, but not 2.0.0.
Bundler also has the idea of version locking across the transitive closure.
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On Mar 8, 2012 10:21 AM, "Lincoln Baxter, III" <lincolnbaxter(a)gmail.com>