Port Homebrew::DevCmd::Irb

Library/Homebrew/dev-cmd/install-bundler-gems.rb

@@ -1,6 +1,7 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cli/parser"
 
 module Homebrew

Library/Homebrew/dev-cmd/irb.rb

@@ -1,6 +1,7 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
 require "formulary"
 require "cask/cask_loader"
 require "cli/parser"
@@ -27,11 +28,9 @@ class Symbol
 end
 
 module Homebrew
-  module_function
-
-  sig { returns(CLI::Parser) }
-  def irb_args
-    Homebrew::CLI::Parser.new do
+  module DevCmd
+    class Irb < AbstractCommand
+      cmd_args do
         description <<~EOS
           Enter the interactive Homebrew Ruby shell.
         EOS
@@ -41,12 +40,13 @@ module Homebrew
                env:         :pry,
                description: "Use Pry instead of IRB. Implied if `HOMEBREW_PRY` is set."
       end
-  end
 
-  def irb
       # work around IRB modifying ARGV.
-    args = irb_args.parse(ARGV.dup.freeze)
+      sig { params(argv: T.nilable(T::Array[String])).void }
+      def initialize(argv = nil) = super(argv || ARGV.dup.freeze)
 
+      sig { override.void }
+      def run
         clean_argv
 
         if args.examples?
@@ -88,6 +88,8 @@ module Homebrew
         end
       end
 
+      private
+
       # Remove the `--debug`, `--verbose` and `--quiet` options which cause problems
       # for IRB and have already been parsed by the CLI::Parser.
       def clean_argv
@@ -96,4 +98,6 @@ module Homebrew
                          .flat_map { |options| options[0..1] }
         ARGV.reject! { |arg| global_options.include?(arg) }
       end
+    end
+  end
 end

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

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