Raise if none of :name or :app are found in mix.exs

elixir-lang · Oct 12, 2020 · f5e80e5 · f5e80e5
1 parent 19cc78f
commit f5e80e5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/mix/tasks/docs.ex b/lib/mix/tasks/docs.ex
@@ -322,7 +322,12 @@ defmodule Mix.Tasks.Docs do
       Mix.raise("Extraneous arguments on the command line")
     end
 
-    project = to_string(config[:name] || config[:app])
+    project =
+      to_string(
+        config[:name] || config[:app] ||
+          raise("expected :name or :app to be found in the project definition in mix.exs")
+      )
+
     version = config[:version] || "dev"
 
     options =