Port Homebrew::Cmd::Cellar

Library/Homebrew/cmd/--caskroom.rb

@@ -6,7 +6,6 @@ require "abstract_command"
 module Homebrew
   module Cmd
     class Caskroom < AbstractCommand
-
       sig { override.returns(String) }
       def self.command_name = "--caskroom"
 

Library/Homebrew/cmd/--cellar.rb

@@ -1,13 +1,15 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
-require "cli/parser"
+require "abstract_command"
 
 module Homebrew
-  module_function
+  module Cmd
+    class Cellar < AbstractCommand
+      sig { override.returns(String) }
+      def self.command_name = "--cellar"
 
-  def __cellar_args
+      cmd_args do
-    Homebrew::CLI::Parser.new do
         description <<~EOS
           Display Homebrew's Cellar path. *Default:* `$(brew --prefix)/Cellar`, or if
           that directory doesn't exist, `$(brew --repository)/Cellar`.
@@ -18,11 +20,9 @@ module Homebrew
 
         named_args :formula
       end
-  end
-
-  def __cellar
-    args = __cellar_args.parse
 
+      sig { override.void }
+      def run
         if args.no_named?
           puts HOMEBREW_CELLAR
         else
@@ -30,3 +30,5 @@ module Homebrew
         end
       end
     end
+  end
+end

Library/Homebrew/test/cmd/--cellar_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
+require "cmd/--cellar"
 require "cmd/shared_examples/args_parse"
 
-RSpec.describe "brew --cellar" do
+RSpec.describe Homebrew::Cmd::Cellar do
   it_behaves_like "parseable arguments"
 
   it "prints Homebrew's Cellar", :integration_test do