style: fix path checking.

Add all necessary files to the path, using globs when necessary.

Library/Homebrew/style.rb

@@ -44,9 +44,9 @@ def self.check_style_impl(files, output_type,
  debug: false, verbose: false)
  raise ArgumentError, "Invalid output type: #{output_type.inspect}" if [:print, :json].exclude?(output_type)
 
- ruby_files = []
- shell_files = []
- actionlint_files = []
+ ruby_files = T.let([], T::Array[Pathname])
+ shell_files = T.let([], T::Array[Pathname])
+ actionlint_files = T.let([], T::Array[Pathname])
  Array(files).map(&method(:Pathname))
  .each do |path|
  case path.extname
@@ -57,8 +57,14 @@ def self.check_style_impl(files, output_type,
  when ".yml"
  actionlint_files << path if path.realpath.to_s.include?("/.github/workflows/")
  else
- ruby_files << path if path.tap?
- shell_files << path if path.realpath == HOMEBREW_BREW_FILE.realpath
+ ruby_files << path
+ shell_files += if [HOMEBREW_PREFIX, HOMEBREW_REPOSITORY].include?(path)
+ shell_scripts
+ else
+ path.glob("**/*.sh")
+ .reject { |path| path.to_s.include?("/vendor/") }
+ end
+ actionlint_files += (path/".github/workflows").glob("*.y{,a}ml")
  end
  end