improvement: support dep_opts in schema info

lib/igniter/util/info.ex

@@ -61,7 +61,7 @@ defmodule Igniter.Util.Info do
         |> Igniter.apply_and_fetch_dependencies(
           Keyword.put(opts, :operation, "compiling #{names_message}")
         )
-        |> maybe_set_only(install_names, argv, task_name)
+        |> maybe_set_dep_options(install_names, argv, task_name)
         |> compose_install_and_validate!(
           argv,
           %{
@@ -146,16 +146,28 @@ defmodule Igniter.Util.Info do
     end
   end
 
-  defp maybe_set_only(igniter, install_names, argv, parent) do
+  defp maybe_set_dep_options(igniter, install_names, argv, parent) do
     Enum.reduce(install_names, igniter, fn install, igniter ->
       composing_task = "#{install}.install"
 
       with composing_task when not is_nil(composing_task) <- Mix.Task.get(composing_task),
            true <- function_exported?(composing_task, :info, 2),
            composing_schema when not is_nil(composing_schema) <-
-             composing_task.info(argv, parent),
-           only when not is_nil(only) <- composing_schema.only do
-        Igniter.Project.Deps.set_dep_option(igniter, install, :only, only)
+             composing_task.info(argv, parent) do
+        options =
+          if composing_schema.only do
+            Keyword.put(composing_schema.dep_opts, :only, composing_schema.only)
+          else
+            composing_schema.dep_opts
+          end
+
+        if options == [] do
+          igniter
+        else
+          Enum.reduce(options, igniter, fn {key, val}, igniter ->
+            Igniter.Project.Deps.set_dep_option(igniter, install, key, val)
+          end)
+        end
       else
         _ ->
           igniter

lib/mix/task/info.ex

@@ -10,6 +10,8 @@ defmodule Igniter.Mix.Task.Info do
   * `positional` - A list of positional arguments that this task accepts. A list of atoms, or a keyword list with the option and config.
     See the positional arguments section for more.
   * `aliases` - A map of aliases to the schema keys.
+  * `only` - For installers, a list of environments that the dependency should be installed to.
+  * `dep_opts` - For installers, dependency options that should be set, like `runtime: false`. Use the `only` key for `only` option.
   * `composes` - A list of tasks that this task might compose.
   * `installs` - A list of dependencies that should be installed before continuing.
   * `adds_deps` - A list of dependencies that should be added to the `mix.exs`, but do not need to be installed before continuing.
@@ -88,6 +90,7 @@ defmodule Igniter.Mix.Task.Info do
             group: nil,
             composes: [],
             only: nil,
+            dep_opts: [],
             installs: [],
             adds_deps: [],
             positional: [],
@@ -105,6 +108,7 @@ defmodule Igniter.Mix.Task.Info do
           group: atom | nil,
           composes: [String.t()],
           only: [atom()] | nil,
+          dep_opts: Keyword.t(),
           positional: list(atom | {atom, [{:optional, boolean()}, {:rest, boolean()}]}),
           installs: [{atom(), String.t()}],
           adds_deps: [{atom(), String.t()}],