Port Homebrew::Cmd::RbenvSync

Library/Homebrew/cmd/rbenv-sync.rb

@@ -1,15 +1,13 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
-require "cli/parser"
+require "abstract_command"
 require "formula"
 
 module Homebrew
-  module_function
-
-  sig { returns(CLI::Parser) }
-  def rbenv_sync_args
-    Homebrew::CLI::Parser.new do
+  module Cmd
+    class RbenvSync < AbstractCommand
+      cmd_args do
         description <<~EOS
           Create symlinks for Homebrew's installed Ruby versions in `~/.rbenv/versions`.
 
@@ -19,10 +17,9 @@ module Homebrew
 
         named_args :none
       end
-  end
 
-  sig { void }
-  def rbenv_sync
+      sig { override.void }
+      def run
         rbenv_root = Pathname(ENV.fetch("HOMEBREW_RBENV_ROOT", Pathname(Dir.home)/".rbenv"))
 
         # Don't run multiple times at once.
@@ -34,8 +31,6 @@ module Homebrew
           rbenv_versions.mkpath
           FileUtils.touch rbenv_sync_running
 
-      rbenv_sync_args.parse
-
           HOMEBREW_CELLAR.glob("ruby{,@*}")
                          .flat_map(&:children)
                          .each { |path| link_rbenv_versions(path, rbenv_versions) }
@@ -49,6 +44,8 @@ module Homebrew
         end
       end
 
+      private
+
       sig { params(path: Pathname, rbenv_versions: Pathname).void }
       def link_rbenv_versions(path, rbenv_versions)
         rbenv_versions.mkpath
@@ -66,3 +63,5 @@ module Homebrew
         end
       end
     end
+  end
+end

Library/Homebrew/test/cmd/rbenv-sync_spec.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+require "cmd/rbenv-sync"
+require "cmd/shared_examples/args_parse"
+
+RSpec.describe Homebrew::Cmd::RbenvSync do
+  it_behaves_like "parseable arguments"
+end