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Development tooling for the Mob mobile framework
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Files
lib/mix/tasks/mob.validate_plugin.ex
defmodule Mix.Tasks.Mob.ValidatePlugin do
use Mix.Task
@shortdoc "Validate this project's mob plugin manifest (priv/mob_plugin.exs)"
@moduledoc """
Validates the `priv/mob_plugin.exs` manifest of the plugin project in the
current directory — a plugin author's pre-publish check.
mix mob.validate_plugin
Checks (see `MOB_PLUGINS.md`): required top-level fields, every declared file
path exists, and the installed `:mob` satisfies the manifest's `mob_version`.
Advisory warnings cover single-platform components and declared
permissions/plist keys. Exits non-zero if any error is found — never silent.
A project with no `priv/mob_plugin.exs` is a tier-0 plugin (nothing to
validate) and the task says so.
"""
alias MobDev.Plugin.{Manifest, Validator}
@impl Mix.Task
def run(_args) do
Mix.Task.run("loadpaths")
dir = File.cwd!()
case Manifest.load(dir) do
{:ok, nil} ->
Mix.shell().info(
"No priv/mob_plugin.exs — this is a tier-0 plugin (no manifest to validate)."
)
{:ok, manifest} ->
manifest
|> Validator.validate_plugin(dir, installed_mob_version())
|> report()
{:error, reason} ->
Mix.raise("could not read priv/mob_plugin.exs: #{reason}")
end
end
defp installed_mob_version do
_ = Application.load(:mob)
case Application.spec(:mob, :vsn) do
nil -> nil
vsn -> to_string(vsn)
end
end
defp report(%{errors: errors, warnings: warnings}) do
Enum.each(warnings, &Mix.shell().info([:yellow, "⚠ ", &1, :reset]))
case errors do
[] ->
suffix = if warnings == [], do: "", else: " (#{length(warnings)} warning(s))"
Mix.shell().info([:green, "✓ manifest valid#{suffix}", :reset])
_ ->
Enum.each(errors, &Mix.shell().error("✗ #{&1}"))
Mix.raise("plugin manifest validation failed with #{length(errors)} error(s)")
end
end
end