Port Homebrew::DevCmd::TapNew

Library/Homebrew/dev-cmd/tap-new.rb

@@ -1,13 +1,17 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
+require "fileutils"
 require "tap"
 require "cli/parser"
 
 module Homebrew
-  sig { returns(CLI::Parser) }
-  def self.tap_new_args
-    Homebrew::CLI::Parser.new do
+  module DevCmd
+    class TapNew < AbstractCommand
+      include FileUtils
+
+      cmd_args do
         usage_banner "`tap-new` [<options>] <user>`/`<repo>"
         description <<~EOS
           Generate the template files for a new tap.
@@ -25,15 +29,13 @@ module Homebrew
 
         named_args :tap, number: 1
       end
-  end
-
-  def self.tap_new
-    args = tap_new_args.parse
 
+      sig { override.void }
+      def run
         label = args.pull_label || "pr-pull"
         branch = args.branch || "main"
 
-    tap = args.named.to_taps.first
+        tap = args.named.to_taps.fetch(0)
         odie "Invalid tap name '#{tap}'" unless tap.path.to_s.match?(HOMEBREW_TAP_PATH_REGEX)
 
         titleized_user = tap.user.dup
@@ -172,11 +174,15 @@ module Homebrew
         EOS
       end
 
-  def self.write_path(tap, filename, content)
+      private
+
+      def write_path(tap, filename, content)
         path = tap.path/filename
         tap.path.mkpath
         odie "#{path} already exists" if path.exist?
 
         path.write content
       end
+    end
+  end
 end

Library/Homebrew/test/dev-cmd/tap-new_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "dev-cmd/tap-new"
 
-RSpec.describe "brew tap-new" do
+RSpec.describe Homebrew::DevCmd::TapNew do
   it_behaves_like "parseable arguments"
 
   it "initializes a new tap with a README file and GitHub Actions CI", :integration_test do