RobinBoers
Raise a warning when a mix task is used without `use Mix.Task`
Hi. We had a few issues in our project regarding mix tasks, where we expected the items in the @requirements module tag to have been executed, but they hadn’t been because we forgot to add use Mix.Task at the top of the mix task.
It would be nice to emit a warning when a mix task is defined without the use Mix.Task directive.
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