build: Make steep happy

Author: kateinoigakukun

lib/ruby_wasm/cli.rb

@@ -270,7 +270,9 @@ def root
     # as part of ruby_wasm gem to backport fixes or try experimental features
     # before landing them to the ruby/ruby repository.
     def self.bundled_patches_path
-      lib_source_root = File.join(__dir__, "..", "..")
+      dir = __dir__
+      raise "Unexpected directory structure, no __dir__!??" unless dir
+      lib_source_root = File.join(dir, "..", "..")
       File.join(lib_source_root, "patches")
     end
 

sig/ruby_wasm/packager.rbs

@@ -23,7 +23,7 @@ class RubyWasm::Packager
   @definition: untyped
   @config: build_config
 
-  def initialize: (build_config?, untyped?) -> void
+  def initialize: (string root, build_config?, untyped? definition) -> void
 
   def package: (RubyWasm::BuildExecutor, string dest_dir, untyped options) -> Array[Integer]