Packages
nerves
1.10.2
1.15.0
1.14.3
1.14.2
1.14.1
1.14.0
1.13.2
1.13.1
1.13.0
1.12.0
1.11.3
1.11.2
1.11.1
1.11.0
1.10.5
1.10.4
1.10.3
1.10.2
1.10.1
1.10.0
1.9.3
1.9.2
retired
1.9.1
1.9.0
1.8.0
1.7.17
1.7.16
1.7.15
1.7.14
retired
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
retired
1.7.1
retired
1.7.0
retired
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.4
1.3.3
1.3.2
1.3.1
1.3.0
1.2.1
1.2.0
1.1.1
1.1.0
1.0.1
1.0.0
1.0.0-rc.2
1.0.0-rc.1
1.0.0-rc.0
0.11.0
0.10.1
0.10.0
0.9.4
0.9.3
0.9.2
0.9.1
0.9.0
0.8.3
0.8.2
0.8.1
0.8.0
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.4.0-rc.0
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.2.0
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lib/mix/tasks/compile.nerves_package.ex
defmodule Mix.Tasks.Compile.NervesPackage do
@shortdoc "Nerves Package Compiler"
@moduledoc """
Build a Nerves Artifact from a Nerves Package
"""
use Mix.Task
import Mix.Nerves.IO
require Logger
@recursive true
@impl Mix.Task
def run(_args) do
debug_info("Compile.NervesPackage start")
if Nerves.Env.enabled?() do
config = Mix.Project.config()
bootstrap_started?()
|> bootstrap_check()
_ = Nerves.Env.ensure_loaded(Mix.Project.config()[:app])
package = Nerves.Env.package(config[:app])
toolchain = Nerves.Env.toolchain()
ret =
if Nerves.Artifact.stale?(package) do
_ = Nerves.Artifact.build(package, toolchain)
:ok
else
:noop
end
debug_info("Compile.NervesPackage end")
ret
else
debug_info("Compile.NervesPackage disabled")
:noop
end
end
@doc false
defp bootstrap_check(true), do: :ok
defp bootstrap_check(false) do
error =
"""
Compiling Nerves packages requires nerves_bootstrap to be started, which ought to
happen in your generated `config.exs`. Please ensure that MIX_TARGET is set in your environment.
""" <>
if in_umbrella?(File.cwd!()) do
"""
When compiling from an Umbrella project you must also ensure:
* You are compiling from an application directory, not the root of the Umbrella
* The Umbrella config (/config/config.exs) imports the generated Nerves config from your
Nerves application (import_config "../apps/your_nerves_app/config/config.exs")
"""
else
""
end
Mix.raise(error)
end
defp bootstrap_started?() do
Application.started_applications()
|> Enum.map(&Tuple.to_list/1)
|> Enum.map(&List.first/1)
|> Enum.member?(:nerves_bootstrap)
end
defp in_umbrella?(app_path) do
umbrella = Path.expand(Path.join([app_path, "..", ".."]))
mix_path = Path.join(umbrella, "mix.exs")
apps_path = Path.join(umbrella, "apps")
File.exists?(mix_path) && File.exists?(apps_path)
end
end