Add compatibility layer for `module Homebrew`.

2 files changed, 17 insertions, 0 deletions

diff --git a/Library/Homebrew/compat.rb b/Library/Homebrew/compat.rb
index eabc7dfa0..57c018c04 100644
--- a/Library/Homebrew/compat.rb
+++ b/Library/Homebrew/compat.rb
@@ -2,6 +2,7 @@ require "compat/fails_with_llvm"
 require "compat/tap"
 require "compat/formula"
 require "compat/formula_specialties"
+require "compat/global"
 require "compat/hardware"
 require "compat/macos"
 require "compat/md5"
diff --git a/Library/Homebrew/compat/global.rb b/Library/Homebrew/compat/global.rb
new file mode 100644
index 000000000..797e9ffe5
--- /dev/null
+++ b/Library/Homebrew/compat/global.rb
@@ -0,0 +1,16 @@
+module Homebrew
+  module_function
+
+  def method_missing(method, *args, &block)
+    if instance_methods.include?(method)
+      # odeprecated "#{self}##{method}", "'module_function' or 'def self.#{method}' to convert it to a class method"
+      return instance_method(method).bind(self).call(*args, &block)
+    end
+    super
+  end
+
+  def respond_to_missing?(method, include_private = false)
+    return true if method_defined?(method)
+    super(method, include_private)
+  end
+end