Port Homebrew::DevCmd::UpdateTest

Library/Homebrew/dev-cmd/update-test.rb

@@ -1,11 +1,16 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cli/parser"
+require "fileutils"
+
 module Homebrew
-  sig { returns(CLI::Parser) }
-  def self.update_test_args
-    Homebrew::CLI::Parser.new do
+  module DevCmd
+    class UpdateTest < AbstractCommand
+      include FileUtils
+
+      cmd_args do
         description <<~EOS
           Run a test of `brew update` with a new repository clone.
           If no options are passed, use `origin/master` as the start commit.
@@ -21,11 +26,9 @@ module Homebrew
 
         named_args :none
       end
-  end
-
-  def self.update_test
-    args = update_test_args.parse
 
+      sig { override.void }
+      def run
         # Avoid `update-report.rb` tapping Homebrew/homebrew-core
         ENV["HOMEBREW_UPDATE_TEST"] = "1"
 
@@ -137,7 +140,9 @@ module Homebrew
         FileUtils.rm_rf "update-test" unless args.keep_tmp?
       end
 
-  def self.git_tags
+      private
+
+      def git_tags
         tags = Utils.popen_read("git", "tag", "--list", "--sort=-version:refname")
         if tags.blank?
           tags = if (HOMEBREW_REPOSITORY/".git/shallow").exist?
@@ -147,6 +152,8 @@ module Homebrew
         end
         tags
       end
+    end
+  end
 end
 
 require "extend/os/dev-cmd/update-test"

Library/Homebrew/extend/os/linux/dev-cmd/update-test.rb

@@ -2,9 +2,12 @@
 # frozen_string_literal: true
 
 module Homebrew
-  class << self
+  module DevCmd
+    class UpdateTest < AbstractCommand
       alias generic_git_tags git_tags
 
+      private
+
       sig { returns(String) }
       def git_tags
         tags = generic_git_tags
@@ -12,4 +15,5 @@ module Homebrew
         tags
       end
     end
+  end
 end

Library/Homebrew/test/dev-cmd/update-test_spec.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+require "cmd/shared_examples/args_parse"
+require "dev-cmd/update-test"
+
+RSpec.describe Homebrew::DevCmd::UpdateTest do
+  it_behaves_like "parseable arguments"
+end