Port Homebrew::Cmd::Migrate

Library/Homebrew/cmd/migrate.rb

@@ -1,14 +1,14 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "migrator"
-require "cli/parser"
 require "cask/migrator"
 
 module Homebrew
-  sig { returns(CLI::Parser) }
+  module Cmd
-  def self.migrate_args
+    class Migrate < AbstractCommand
-    Homebrew::CLI::Parser.new do
+      cmd_args do
         description <<~EOS
           Migrate renamed packages to new names, where <formula> are old names of
           packages.
@@ -27,11 +27,9 @@ module Homebrew
 
         named_args [:installed_formula, :installed_cask], min: 1
       end
-  end
-
-  def self.migrate
-    args = migrate_args.parse
 
+      sig { override.void }
+      def run
         args.named.to_formulae_and_casks(warn: false).each do |formula_or_cask|
           case formula_or_cask
           when Formula
@@ -41,4 +39,6 @@ module Homebrew
           end
         end
       end
+    end
+  end
 end

Library/Homebrew/test/cmd/migrate_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
+require "cmd/migrate"
 require "cmd/shared_examples/args_parse"
 
-RSpec.describe "brew migrate" do
+RSpec.describe Homebrew::Cmd::Migrate do
   it_behaves_like "parseable arguments"
 
   it "migrates a renamed Formula", :integration_test do