beam/buildMix: add appConfigPath arg

, meta ? { }

, enableDebugInfo ? false

, mixEnv ? "prod"

# A config directory that is considered for all the dependencies of an app, typically in $src/config/

# This was initially added, as some of Mobilizon's dependencies need to access the config at build time.

, appConfigPath ? null

, ...

}@attrs:

      runHook preConfigure

      ${./mix-configure-hook.sh}

      ${lib.optionalString (!isNull appConfigPath)

      # Due to https://hexdocs.pm/elixir/main/Config.html the config directory

      # of a library seems to be not considered, as config is always

      # application specific. So we can safely delete it.

      ''

        rm -rf config

        cp -r ${appConfigPath} config

      ''}

      runHook postConfigure

    '';