[QA] Ruby Coding Conventions and RuboCop (was: Rubocop style checker)

[Dan Duvall]

Hey all,

Zeljko, Antoine, and I have been working on a first draft of the Ruby
coding conventions for MW-related projects, and dialing in the RuboCop
checker accordingly.[1] I encourage anyone who has a bit of Ruby knowledge
and/or an opinion on style to contribute to the conversion.[2]

As the article suggests, there are a handful of contentious rules in the
bbatsov style guide from which the conventions are based. This first draft
attempts to resolve those conflicts—mainly by ignoring the rules—and is
intended to be organically revised as the discussion evolves—that kinda
goes without saying given it's a wiki. :)

Just some clarification on the RuboCop check: 1) it's non-voting for the
time being to give maintainers a chance to customize the configuration
according to project/team needs; and 2) it should be green to start with
since the configuration was auto-generated and ignores everything it finds
by default.[3]

Let us know if you have any more questions about the checker. Happy
arguing! (I mean that in all seriousness as I enjoy discussing semantics.)

Cheers,
Dan

[1] https://www.mediawiki.org/wiki/Manual:Coding_conventions/Ruby
[2] https://www.mediawiki.org/wiki/Manual_talk:Coding_conventions/Ruby
[3] https://www.mediawiki.org/wiki/Manual:Coding_conventions/Ruby#RuboCop

-- 
Dan Duvall
Automation Engineer
Wikimedia Foundation <http://wikimediafoundation.org>
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