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nerves-hub / nerves_hub_cli

NervesHub Mix command line interface
Apache License 2.0
36 stars 17 forks source link

Fix error rendering devices without a tag #166

Closed jjcarstens closed 3 years ago

jjcarstens commented 3 years ago

This fixes errors like the one below which are caused by devices not having any tags (or tags: nil)

jonjon@bender:~/repos/nerves_hub_cli$ mix nerves_hub.device list --product poser
NervesHub server: 0.0.0.0:4002
NervesHub organization: jonjon
Local NervesHub user password:
** (Protocol.UndefinedError) protocol Enumerable not implemented for nil of type Atom. This protocol is implemented for the following type(s): GenEvent.Stream, HashDict, MapSet, Function, Date.Range, List, HashSet, Stream, Range, IO.Stream, File.Stream, Map
    (elixir 1.11.2) lib/enum.ex:1: Enumerable.impl_for!/1
    (elixir 1.11.2) lib/enum.ex:141: Enumerable.reduce/3
    (elixir 1.11.2) lib/enum.ex:3461: Enum.join/2
    (nerves_hub_cli 0.10.4) lib/mix/tasks/nerves_hub.device.ex:530: anonymous fn/1 in Mix.Tasks.NervesHub.Device.render_devices/3
    (elixir 1.11.2) lib/enum.ex:1399: Enum."-map/2-lists^map/1-0-"/2
    (elixir 1.11.2) lib/enum.ex:1399: Enum."-map/2-lists^map/1-0-"/2
    (nerves_hub_cli 0.10.4) lib/mix/tasks/nerves_hub.device.ex:527: Mix.Tasks.NervesHub.Device.render_devices/3
    (nerves_hub_cli 0.10.4) lib/mix/tasks/nerves_hub.device.ex:255: Mix.Tasks.NervesHub.Device.list/3