License

[lionellloh]

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes? Here's an example.
• Have you successfully run brew style with your changes locally?
• Have you successfully run brew tests with your changes locally?

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• Added license DSL for formulae
• Added audit check for license DSL for formulae.
• Audit checks if a license info is a verified spdx-id against Homebrew/data/spdx.json
• If --online flag is specified, and has github info, audit will do a comparison check to make sure what the formulae states matches what github API detects
• Wrote tests to verify the behaviour for above

[jonchang]

Incredible work so far!

[lionellloh]

Some more tweaks! Sorry about all the back and forward; it being quite a large PR means I keep catching new things each time. We're almost there, great work 👏

Please don't worry about it, I am learning quite a bit! I respect the quality control in the process and I would hope for nothing less as a user myself!

[MikeMcQuaid]

Tested this out locally and all worked as expected! The components order code has now been fixed if you wanted to add that into this PR?

[lionellloh]

Tested this out locally and all worked as expected! The components order code has now been fixed if you wanted to add that into this PR?

Thank you @MikeMcQuaid. Yes I think it's more efficient if I add that order enforcing logic into this PR since the context is all preserved here.

[MikeMcQuaid]

Thank you @MikeMcQuaid. Yes I think it's more efficient if I add that order enforcing logic into this PR since the context is all preserved here.

Good call, I agree! Once that's done (and with a test) and CI is 🟢 : I think this is ready to merge! 🎉

[MikeMcQuaid]

Thanks so much for your first contribution! Without people like you submitting PRs we couldn't run this project. You rock, @lionellloh!

Next work could be either the license deny list environment variable we discussed (in this repository) or adding some licenses to formulae in Homebrew/homebrew-core. For the latter: if you're bulk-updating a bunch of formulae instead of creating a giant PR (which will run a really long CI job we don't really care about) make one commit per-formula in your fork (https://github.com/MikeMcQuaid/dotfiles/blob/master/bin/git-commit-each) and link me to your branch.