Port Homebrew::DevCmd::VendorGems

Library/Homebrew/dev-cmd/vendor-gems.rb

@@ -1,14 +1,13 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cli/parser"
 
 module Homebrew
-  module_function
-
-  sig { returns(CLI::Parser) }
-  def vendor_gems_args
-    Homebrew::CLI::Parser.new do
+  module DevCmd
+    class VendorGems < AbstractCommand
+      cmd_args do
         description <<~EOS
           Install and commit Homebrew's vendored gems.
         EOS
@@ -23,12 +22,9 @@ module Homebrew
 
         named_args :none
       end
-  end
-
-  sig { void }
-  def vendor_gems
-    args = vendor_gems_args.parse
 
+      sig { override.void }
+      def run
         Homebrew.install_bundler!
 
         ENV["BUNDLE_WITH"] = Homebrew.valid_gem_groups.join(":")
@@ -92,3 +88,5 @@ module Homebrew
         end
       end
     end
+  end
+end

Library/Homebrew/test/dev-cmd/vendor-gems_spec.rb

@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "dev-cmd/vendor-gems"
 
-RSpec.describe "brew vendor-gems" do
+RSpec.describe Homebrew::DevCmd::VendorGems do
   it_behaves_like "parseable arguments"
 end