Add pkgbase METALOG diagnostic tool

[emaste]

Summary

Submitted by: Yang Wang <[e-mail]>
Sponsored by: The FreeBSD Foundation

[kevans]

I think this is otherwise good as a first pass.

tools/pkgbase/metalog_reader.lua

3

This should go after the copyright header, as we do in C

5

We've leaned towards not having multi-line/block comments thus far, but this might be OK for copyright header.

35

As in our C style, if we're going to wrap then the operator should appear just before the wrap, rather than just after.

42–43

I somewhat wonder if we shouldn't try to pull argparse into base, or write a quick-n-dirty getopt(3) shim for lua.

[emaste]

Thanks for the comments - I've updated the version in my tree, and will commit to tools/ soon. We can iterate on it from there.

tools/pkgbase/metalog_reader.lua

42–43

Yeah, that sounds like a good idea