Issues with umbrella dependencies

Questions / Help
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1

I currently have an umbrella application with 5 child apps. One of the applications defines uuid as a test dependency. Another application defines sentry as a general dependency. sentry defines uuid as a general dependency.

When I compile in dev I get the following error:

Unchecked dependencies for environment dev:
* uuid (Hex package)
  the dependency is not locked. To generate the "mix.lock" file run "mix deps.get"
** (Mix) Can't continue due to errors on dependencies

If I remove sentry the issue goes away. If I compile using MIX_ENV=test the issue goes away. If I define uuid as a general dependency the issue goes away.

It seems that me defining uuid as a test dependency and sentry defining uuid as a general dependency is creating some sort of conflict.

Has anybody experienced this before? Does this seem like a bug or intended behavior? It seems concerning to me that an umbrella applications dependencies can be in conflict with the dependencies of a dependency based on it’s environment definition. This isn’t even a version issue. Both sentry and my application define uuid as ~> 1.0.

2

What is your Elixir version? How are you defining the test dependency? Elixir was supposed to catch this and ask you to make sure uuid is a available on all environments.

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3

I’m using Elixir 1.5.

Here’s how I’m defining it:

defp deps do
  [
    {:ecto, "~> 2.1"},
    {:ex_easypost, "~> 0.2"},
    {:httpoison, "~> 0.12"},
    {:poison, "~> 3.1"},
    {:postgrex, "~> 0.13"},
    # test
    {:bypass, "~> 0.7", only: :test},
    {:ex_machina, "~> 2.0", only: :test},
    {:faker, "~> 0.8", only: :test},
    {:uuid, "~> 1.0", only: :test}
  ]
end

Is it expected that I have to define uuid as a regular dependency (rather than a test dependency) if another dependency requires uuid?

4

I’m seeing the same thing using Elixir 1.5.1

5

You are expected to do it BUT mix was supposed to tell you so instead of letting you figure it out by yourself. Can you please open up a bug report with an app that reproduces the issue?

1 Like