Port Homebrew::Cmd::Autoremove

Library/Homebrew/cmd/autoremove.rb

@@ -1,13 +1,13 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cleanup"
-require "cli/parser"
 
 module Homebrew
-  sig { returns(CLI::Parser) }
-  def self.autoremove_args
-    Homebrew::CLI::Parser.new do
+  module Cmd
+    class Autoremove < AbstractCommand
+      cmd_args do
         description <<~EOS
           Uninstall formulae that were only installed as a dependency of another formula and are now no longer needed.
         EOS
@@ -16,12 +16,11 @@ module Homebrew
 
         named_args :none
       end
-  end
-
-  sig { void }
-  def self.autoremove
-    args = autoremove_args.parse
 
+      sig { override.void }
+      def run
         Cleanup.autoremove(dry_run: args.dry_run?)
       end
     end
+  end
+end

Library/Homebrew/test/cmd/autoremove_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
+require "cmd/autoremove"
 require "cmd/shared_examples/args_parse"
 
-RSpec.describe "brew autoremove" do
+RSpec.describe Homebrew::Cmd::Autoremove do
   it_behaves_like "parseable arguments"
 
   describe "integration test" do