Port Homebrew::Cmd::Caskroom

Library/Homebrew/cmd/--caskroom.rb

@@ -1,12 +1,16 @@
 # typed: strict
 # frozen_string_literal: true
 
-module Homebrew
-  module_function
+require "abstract_command"
 
-  sig { returns(CLI::Parser) }
-  def __caskroom_args
-    Homebrew::CLI::Parser.new do
+module Homebrew
+  module Cmd
+    class Caskroom < AbstractCommand
+
+      sig { override.returns(String) }
+      def self.command_name = "--caskroom"
+
+      cmd_args do
         description <<~EOS
           Display Homebrew's Caskroom path.
 
@@ -16,12 +20,9 @@ module Homebrew
 
         named_args :cask
       end
-  end
-
-  sig { void }
-  def __caskroom
-    args = __caskroom_args.parse
 
+      sig { override.void }
+      def run
         if args.named.to_casks.blank?
           puts Cask::Caskroom.path
         else
@@ -31,3 +32,5 @@ module Homebrew
         end
       end
     end
+  end
+end

Library/Homebrew/test/cmd/--caskroom_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
+require "cmd/--caskroom"
 require "cmd/shared_examples/args_parse"
 
-RSpec.describe "brew --caskroom" do
+RSpec.describe Homebrew::Cmd::Caskroom do
   it_behaves_like "parseable arguments"
 
   it "prints Homebrew's Caskroom", :integration_test do