Ignore dev and umbrella dependencies.

lib/kudos.ex

@@ -11,7 +11,7 @@ defmodule Kudos do
   ## Examples
 
       iex> Kudos.generate() |> String.length()
-      8174
+      529
 
   """
   def generate do
@@ -31,6 +31,14 @@ defmodule Kudos do
     """
   end
 
+  defp format(:umbrella) do
+    ""
+  end
+
+  defp format(:dev) do
+    ""
+  end
+
   defp format(meta_data) do
     """
     ### #{meta_data.name} (Version #{meta_data.version} | Checksum: #{checksum(meta_data.checksum)})
@@ -89,21 +97,56 @@ defmodule Kudos do
     Mix.Dep.load_on_environment([])
     |> Enum.map(fn dep ->
       Mix.Dep.in_dependency(dep, fn _ ->
-        %{
-          name: Atom.to_string(Mix.Project.config()[:app]),
-          version: Mix.Project.config()[:version],
-          checksum: elem(dep.opts[:lock], 3),
-          description: Mix.Project.config()[:description],
-          source_url: Mix.Project.config()[:source_url],
-          links: get_in(Mix.Project.config(), [:package, :links]),
-          maintainers: get_in(Mix.Project.config(), [:package, :maintainers]),
-          licenses: get_in(Mix.Project.config(), [:package, :licenses]),
-          license_file: get_license_file_content(dep.opts[:dest])
-        }
+        case is_umbrella?(dep) do
+          true ->
+            :umbrella
+
+          false ->
+            case is_prod?(dep) do
+              false ->
+                :dev
+
+              _ ->
+                %{
+                  name: Atom.to_string(Mix.Project.config()[:app]),
+                  version: Mix.Project.config()[:version],
+                  checksum: elem(dep.opts[:lock], 3),
+                  description: Mix.Project.config()[:description],
+                  source_url: Mix.Project.config()[:source_url],
+                  links: get_in(Mix.Project.config(), [:package, :links]),
+                  maintainers: get_in(Mix.Project.config(), [:package, :maintainers]),
+                  licenses: get_in(Mix.Project.config(), [:package, :licenses]),
+                  license_file: get_license_file_content(dep.opts[:dest])
+                }
+            end
+        end
       end)
     end)
   end
 
+  defp is_umbrella?(dep) do
+    case List.keyfind(dep.opts, :in_umbrella, 0, {:in_umbrella, false}) do
+      {:in_umbrella, true} -> true
+      {:in_umbrella, false} -> from_umbrella?(dep)
+    end
+  end
+
+  defp from_umbrella?(dep) do
+    case List.keyfind(dep.opts, :from_umbrella, 0, {:from_umbrella, false}) do
+      {:from_umbrella, true} -> true
+      {:from_umbrella, false} -> false
+    end
+  end
+
+  defp is_prod?(dep) do
+    only = List.keyfind(dep.opts, :only, 0, [])
+
+    case only do
+      [] -> true
+      _ -> false
+    end
+  end
+
   defp get_license_file_content(path) do
     (File.ls!(path) -- File.ls!(path) -- @license_file_names)
     |> read_license_file(path)

lib/mix/tasks/kudos.generate.ex

@@ -2,7 +2,7 @@ defmodule Mix.Tasks.Kudos.Generate do
   use Mix.Task
 
   @shortdoc "Generates a licenses file"
-  @recursive true
+  @recursive false
 
   def run(args \\ []) do
     IO.puts("Generating Licenses file...")