Warn if :optional is used in combination with :in_umbrella, closes el…

…ixir-lang#13399
trashpanda001 · Mar 7, 2024 · 713bac0 · 713bac0
1 parent 2c44862
commit 713bac0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/lib/mix/lib/mix/scm/path.ex b/lib/mix/lib/mix/scm/path.ex
@@ -31,6 +31,13 @@ defmodule Mix.SCM.Path do
           """)
         end
 
+        if opts[:optional] do
+          Mix.shell().error("""
+          warning: in-umbrella application #{inspect(app)} has the flag :optional \
+          set to true, but the flag is not supported for umbrella dependencies
+          """)
+        end
+
         path = "../#{app}"
 
         opts