From 96743b0b26ba0c1bc36dff3f9048dee829a5daaa Mon Sep 17 00:00:00 2001
From: Douglas Eichelberger <dduugg@gmail.com>
Date: Sun, 11 Aug 2024 16:19:51 -0700
Subject: [PATCH] Make FromContentLoader.try_new typesafe

---
 Library/Homebrew/cask/cask_loader.rb | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/cask/cask_loader.rb b/Library/Homebrew/cask/cask_loader.rb
index d45d55113fc23b..b215f5f71dd067 100644
--- a/Library/Homebrew/cask/cask_loader.rb
+++ b/Library/Homebrew/cask/cask_loader.rb
@@ -51,10 +51,12 @@ def cask(header_token, **options, &block)
 
     # Loads a cask from a string.
     class FromContentLoader < AbstractContentLoader
+      sig {
+        params(ref: T.any(Pathname, String, URI::Generic), warn: T::Boolean)
+          .returns(T.nilable(T.attached_class))
+      }
       def self.try_new(ref, warn: false)
-        return false unless ref.respond_to?(:to_str)
-
-        content = T.unsafe(ref).to_str
+        content = ref.to_str
 
         # Cache compiled regex
         @regex ||= begin