Port Homebrew::Cmd::Cleanup

Library/Homebrew/cmd/cleanup.rb

@@ -1,15 +1,13 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cleanup"
-require "cli/parser"
 
 module Homebrew
-  module_function
+  module Cmd
-
+    class CleanupCmd < AbstractCommand
-  sig { returns(CLI::Parser) }
+      cmd_args do
-  def cleanup_args
-    Homebrew::CLI::Parser.new do
         days = Homebrew::EnvConfig::ENVS[:HOMEBREW_CLEANUP_MAX_AGE_DAYS][:default]
         description <<~EOS
           Remove stale lock files and outdated downloads for all formulae and casks,
@@ -31,12 +29,9 @@ module Homebrew
 
         named_args [:formula, :cask]
       end
-  end
-
-  sig { void }
-  def cleanup
-    args = cleanup_args.parse
 
+      sig { override.void }
+      def run
         days = args.prune.presence&.then do |prune|
           case prune
           when /\A\d+\Z/
@@ -73,3 +68,5 @@ module Homebrew
         EOS
       end
     end
+  end
+end

Library/Homebrew/test/cmd/cleanup_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
+require "cmd/cleanup"
 require "cmd/shared_examples/args_parse"
 
-RSpec.describe "brew cleanup" do
+RSpec.describe Homebrew::Cmd::CleanupCmd do
   before do
     FileUtils.mkdir_p HOMEBREW_LIBRARY/"Homebrew/vendor/"
     FileUtils.touch HOMEBREW_LIBRARY/"Homebrew/vendor/portable-ruby-version"