Machine readable nix why-depends

[DieracDelta]

Is your feature request related to a problem? Please describe. I'd like to query nix why-depends and parse the output. The output is currently unstructured.

Describe the solution you'd like Ideally a cli option for returning the output as JSON or another similar format would make this much easier.

Describe alternatives you've considered N/A

Additional context N/A

Priorities

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