Port IRB to use AbstractCommand

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"
@@ -27,73 +28,79 @@ def c(config: nil)
 end
 
 module Homebrew
- module_function
-
- sig { returns(CLI::Parser) }
- def irb_args
- Homebrew::CLI::Parser.new do
- description <<~EOS
- Enter the interactive Homebrew Ruby shell.
- EOS
- switch "--examples",
- description: "Show several examples."
- switch "--pry",
- env: :pry,
- description: "Use Pry instead of IRB. Implied if `HOMEBREW_PRY` is set."
+ module DevCmd
+ class IRB < AbstractCommand
+ sig { void }
+ def initialize
+ # work around IRB modifying ARGV.
+ @args = T.let(raw_args.parse(ARGV.dup.freeze), Homebrew::CLI::Args)
+ end
+
+ sig { override.returns(CLI::Parser) }
+ def raw_args
+ Homebrew::CLI::Parser.new do
+ description <<~EOS
+ Enter the interactive Homebrew Ruby shell.
+ EOS
+ switch "--examples",
+ description: "Show several examples."
+ switch "--pry",
+ env: :pry,
+ description: "Use Pry instead of IRB. Implied if `HOMEBREW_PRY` is set."
+ end
+ end
+
+ sig { override.void }
+ def run
+ clean_argv
+
+ if args.examples?
+ puts <<~EOS
+ 'v8'.f # => instance of the v8 formula
+ :hub.f.latest_version_installed?
+ :lua.f.methods - 1.methods
+ :mpd.f.recursive_dependencies.reject(&:installed?)
+
+ 'vlc'.c # => instance of the vlc cask
+ :tsh.c.livecheckable?
+ EOS
+ return
+ end
+
+ if args.pry?
+ Homebrew.install_bundler_gems!(groups: ["pry"])
+ require "pry"
+ else
+ require "irb"
+ end
+
+ require "formula"
+ require "keg"
+ require "cask"
+
+ ohai "Interactive Homebrew Shell", "Example commands available with: `brew irb --examples`"
+ if args.pry?
+ Pry.config.should_load_rc = false # skip loading .pryrc
+ Pry.config.history_file = "#{Dir.home}/.brew_pry_history"
+ Pry.config.memory_size = 100 # max lines to save to history file
+ Pry.config.prompt_name = "brew"
+
+ Pry.start
+ else
+ ENV["IRBRC"] = (HOMEBREW_LIBRARY_PATH/"brew_irbrc").to_s
+
+ ::IRB.start
+ end
+ end
+
+ # Remove the `--debug`, `--verbose` and `--quiet` options which cause problems
+ # for IRB and have already been parsed by the CLI::Parser.
+ def clean_argv
+ global_options = Homebrew::CLI::Parser
+ .global_options
+ .flat_map { |options| options[0..1] }
+ ARGV.reject! { |arg| global_options.include?(arg) }
+ end
  end
  end
-
- def irb
- # work around IRB modifying ARGV.
- args = irb_args.parse(ARGV.dup.freeze)
-
- clean_argv
-
- if args.examples?
- puts <<~EOS
- 'v8'.f # => instance of the v8 formula
- :hub.f.latest_version_installed?
- :lua.f.methods - 1.methods
- :mpd.f.recursive_dependencies.reject(&:installed?)
-
- 'vlc'.c # => instance of the vlc cask
- :tsh.c.livecheckable?
- EOS
- return
- end
-
- if args.pry?
- Homebrew.install_bundler_gems!(groups: ["pry"])
- require "pry"
- else
- require "irb"
- end
-
- require "formula"
- require "keg"
- require "cask"
-
- ohai "Interactive Homebrew Shell", "Example commands available with: `brew irb --examples`"
- if args.pry?
- Pry.config.should_load_rc = false # skip loading .pryrc
- Pry.config.history_file = "#{Dir.home}/.brew_pry_history"
- Pry.config.memory_size = 100 # max lines to save to history file
- Pry.config.prompt_name = "brew"
-
- Pry.start
- else
- ENV["IRBRC"] = (HOMEBREW_LIBRARY_PATH/"brew_irbrc").to_s
-
- IRB.start
- end
- end
-
- # Remove the `--debug`, `--verbose` and `--quiet` options which cause problems
- # for IRB and have already been parsed by the CLI::Parser.
- def clean_argv
- global_options = Homebrew::CLI::Parser
- .global_options
- .flat_map { |options| options[0..1] }
- ARGV.reject! { |arg| global_options.include?(arg) }
- end
 end