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Handling optional dependencies #14

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joaohf opened this issue Jan 2, 2020 · 0 comments

joaohf commented Jan 2, 2020

Hi,

Does rebar_mix support optional packages?

Example: this package telemetry_metrics_riemann (https://hex.pm/packages/telemetry_metrics_riemann/0.2.0) has an optional package (https://hexdocs.pm/mix/Mix.Tasks.Deps.html#module-dependency-definition-options). According to https://github.com/hexpm/specifications/blob/master/dependency_resolution.md#dependency-resolution:

A package can define optional dependencies, an optional dependency should only resolve if the top-level project also depends on it.

Even though my toplevel project (https://github.com/joaohf/eclero/blob/metrics/rebar.config#L12) does not declare the 'riemanxx' package, rebar_mix is fetching that dependency (https://github.com/joaohf/eclero/blob/metrics/rebar.lock#L18).

Is possible to handle that using rebar_mix if yes, how we could add this feature to rebar_mix ?

Thanks

starbelly mentioned this issue

Handling optional dependencies starbelly/rebar_mix#10

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