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GitHub Actions-compatible compiler warnings/errors

#compiler#warnings#errors#github-actions
a.shaw

a.shaw

GitHub Actions-compatible compiler warnings/errors

When running Dialyzer in CI, we use the --format github option. This formats errors like:

::warning file=lib/file.ex,line=19,title=no_return::Function fail/0 has no local return.

This allows GitHub Actions to parse the errors, and ‘comment’ them inline in Github:

Screenshot 2024-11-27 at 14.12.24
Screenshot 2024-11-27 at 14.12.24992×422 24.4 KB

I’m wondering if the Elixir compiler supports this option (I couldn’t find such an option in the mix docs however), and if not, where the relevant code in the Elixir compiler which emits warnings/errors is located if I wanted to consider contributing this myself.

Thanks!

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gmile

gmile

Looks like it’s located here:

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