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Date: Wed, 14 May 2014 14:53:00 -0700 (PDT)
From: Sean Eric Fagan <sef@Kithrup.COM>
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To: freebsd-pkg@freebsd.org
Subject: Re: Delta packages
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So, while I'm discussing this:  why aren't symlinks checksummed in the
manifest?

(My current tool works on pkg files, and so it determines what is different by
comparing the entries.  Symlinks have "" as a hash, which means that it's not
possible to tell if it's changed between the two versions.)