This means that anyone distributing GPL code is in violation of the GPL
Posted Mar 10, 2011 17:18 UTC (Thu) by paulj (subscriber, #341)
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And can vary between upstream development and vendor packagers. Preferred form can be a tarball for one, and tarball+patches for the other, in theory.
Course, wrt Linux, if *all* the kernel copyright holders don't have a problem with packagers not distributing the history of their fork, then there's not a problem.