Add frozen_string_literal to all files.

Library/Homebrew/Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 # installed gems

Library/Homebrew/PATH.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class PATH
   include Enumerable
   extend Forwardable

Library/Homebrew/brew.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 raise "HOMEBREW_BREW_FILE was not exported! Please call bin/brew directly!" unless ENV["HOMEBREW_BREW_FILE"]
 
 std_trap = trap("INT") { exit! 130 } # no backtrace thanks

Library/Homebrew/build.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # This script is loaded by formula_installer as a separate instance.
 # Thrown exceptions are propagated back to the parent process over a pipe
 

Library/Homebrew/build_environment.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class BuildEnvironment
   def initialize(*settings)
     @settings = Set.new(*settings)

Library/Homebrew/build_options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class BuildOptions
   # @private
   def initialize(args, options)

Library/Homebrew/cache_store.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "json"
 
 #

Library/Homebrew/cask/all.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "hardware"
 
 require "cask/artifact"

Library/Homebrew/cask/artifact.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/app"
 require "cask/artifact/artifact" # generic 'artifact' stanza
 require "cask/artifact/binary"

Library/Homebrew/cask/artifact/abstract_artifact.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   module Artifact
     class AbstractArtifact

Library/Homebrew/cask/artifact/abstract_flight_block.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_artifact"
 
 module Cask

Library/Homebrew/cask/artifact/abstract_uninstall.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "timeout"
 
 require "utils/user"

Library/Homebrew/cask/artifact/app.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/artifact.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 require "extend/hash_validator"

Library/Homebrew/cask/artifact/audio_unit_plugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/binary.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/symlinked"
 
 module Cask

Library/Homebrew/cask/artifact/colorpicker.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/dictionary.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/font.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/input_method.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/installer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_artifact"
 
 require "extend/hash_validator"

Library/Homebrew/cask/artifact/internet_plugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/moved.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/relocated"
 
 module Cask

Library/Homebrew/cask/artifact/pkg.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "plist"
 
 require "utils/user"

Library/Homebrew/cask/artifact/postflight_block.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_flight_block"
 
 module Cask

Library/Homebrew/cask/artifact/preflight_block.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_flight_block"
 
 module Cask

Library/Homebrew/cask/artifact/prefpane.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/qlplugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/relocated.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_artifact"
 
 require "extend/hash_validator"
@@ -50,7 +52,7 @@ module Cask
 
       private
 
-      ALT_NAME_ATTRIBUTE = "com.apple.metadata:kMDItemAlternateNames".freeze
+      ALT_NAME_ATTRIBUTE = "com.apple.metadata:kMDItemAlternateNames"
 
       # Try to make the asset searchable under the target name. Spotlight
       # respects this attribute for many filetypes, but ignores it for App

Library/Homebrew/cask/artifact/screen_saver.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/service.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/stage_only.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_artifact"
 
 module Cask

Library/Homebrew/cask/artifact/suite.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/symlinked.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/relocated"
 
 module Cask

Library/Homebrew/cask/artifact/uninstall.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_uninstall"
 
 module Cask

Library/Homebrew/cask/artifact/vst3_plugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/vst_plugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/moved"
 
 module Cask

Library/Homebrew/cask/artifact/zap.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/artifact/abstract_uninstall"
 
 module Cask

Library/Homebrew/cask/audit.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/checkable"
 require "cask/download"
 require "digest"

Library/Homebrew/cask/auditor.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/download"
 
 module Cask

Library/Homebrew/cask/cache.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   module Cache
     module_function

Library/Homebrew/cask/cask.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/cask_loader"
 require "cask/config"
 require "cask/dsl"

Library/Homebrew/cask/cask_dependencies.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "delegate"
 
 require "cask/topological_hash"

Library/Homebrew/cask/cask_loader.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/cask"
 require "uri"
 

Library/Homebrew/cask/caskroom.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "utils/user"
 
 module Cask

Library/Homebrew/cask/checkable.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   module Checkable
     def errors

Library/Homebrew/cask/cmd.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "optparse"
 require "shellwords"
 

Library/Homebrew/cask/cmd/abstract_command.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "options"
 require "search"
 

Library/Homebrew/cask/cmd/abstract_internal_command.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class AbstractInternalCommand < AbstractCommand

Library/Homebrew/cask/cmd/audit.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Audit < AbstractCommand

Library/Homebrew/cask/cmd/cat.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Cat < AbstractCommand

Library/Homebrew/cask/cmd/create.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Create < AbstractCommand

Library/Homebrew/cask/cmd/doctor.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "system_config"
 require "cask/checkable"
 

Library/Homebrew/cask/cmd/edit.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Edit < AbstractCommand

Library/Homebrew/cask/cmd/fetch.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/download"
 
 module Cask

Library/Homebrew/cask/cmd/home.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Home < AbstractCommand

Library/Homebrew/cask/cmd/info.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "json"
 require "cask/installer"
 

Library/Homebrew/cask/cmd/install.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Install < AbstractCommand

Library/Homebrew/cask/cmd/internal_help.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class InternalHelp < AbstractInternalCommand

Library/Homebrew/cask/cmd/internal_stanza.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class InternalStanza < AbstractInternalCommand

Library/Homebrew/cask/cmd/list.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class List < AbstractCommand

Library/Homebrew/cask/cmd/options.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     module Options

Library/Homebrew/cask/cmd/outdated.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Outdated < AbstractCommand

Library/Homebrew/cask/cmd/reinstall.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Reinstall < Install

Library/Homebrew/cask/cmd/style.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Style < AbstractCommand

Library/Homebrew/cask/cmd/uninstall.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Uninstall < AbstractCommand

Library/Homebrew/cask/cmd/upgrade.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/config"
 
 module Cask

Library/Homebrew/cask/cmd/zap.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Cmd
     class Zap < AbstractCommand

Library/Homebrew/cask/config.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "json"
 
 require "extend/hash_validator"

Library/Homebrew/cask/download.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "fileutils"
 require "cask/cache"
 require "cask/quarantine"

Library/Homebrew/cask/dsl.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "locale"
 require "lazy_object"
 

Library/Homebrew/cask/dsl/appcast.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class DSL
     class Appcast

Library/Homebrew/cask/dsl/base.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class DSL
     class Base

Library/Homebrew/cask/dsl/caveats.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Caveats DSL. Each method should handle output, following the
 # convention of at least one trailing blank line so that the user
 # can distinguish separate caveats.

Library/Homebrew/cask/dsl/conflicts_with.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "extend/hash_validator"
 using HashValidator
 

Library/Homebrew/cask/dsl/container.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "unpack_strategy"
 
 module Cask

Library/Homebrew/cask/dsl/depends_on.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rubygems"
 
 module Cask

Library/Homebrew/cask/dsl/postflight.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/staged"
 
 module Cask

Library/Homebrew/cask/dsl/preflight.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class DSL
     class Preflight < Base

Library/Homebrew/cask/dsl/uninstall_postflight.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class DSL
     class UninstallPostflight < Base

Library/Homebrew/cask/dsl/uninstall_preflight.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cask/staged"
 
 module Cask

Library/Homebrew/cask/dsl/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class DSL
     class Version < ::String

Library/Homebrew/cask/exceptions.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class CaskError < RuntimeError; end
 

Library/Homebrew/cask/installer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rubygems"
 
 require "formula_installer"

Library/Homebrew/cask/macos.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "os/mac/version"
 
 module OS

Library/Homebrew/cask/metadata.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 module Cask
   module Metadata
-    METADATA_SUBDIR = ".metadata".freeze
+    METADATA_SUBDIR = ".metadata"
 
     def metadata_master_container_path
       @metadata_master_container_path ||= caskroom_path.join(METADATA_SUBDIR)

Library/Homebrew/cask/pkg.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   class Pkg
     def self.all_matching(regexp, command)

Library/Homebrew/cask/quarantine.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require "development_tools"
 module Cask
   module Quarantine
     module_function
 
-    QUARANTINE_ATTRIBUTE = "com.apple.quarantine".freeze
+    QUARANTINE_ATTRIBUTE = "com.apple.quarantine"
 
     QUARANTINE_SCRIPT = (HOMEBREW_LIBRARY_PATH/"cask/utils/quarantine.swift").freeze
 

Library/Homebrew/cask/staged.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "utils/user"
 
 module Cask

Library/Homebrew/cask/topological_hash.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "tsort"
 
 # a basic topologically sortable hashmap

Library/Homebrew/cask/url.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class URL
   ATTRIBUTES = [
     :using,

Library/Homebrew/cask/utils.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require "utils/user"
 require "yaml"
 require "open3"
 require "stringio"
 
-BUG_REPORTS_URL = "https://github.com/Homebrew/homebrew-cask#reporting-bugs".freeze
+BUG_REPORTS_URL = "https://github.com/Homebrew/homebrew-cask#reporting-bugs"
 
 module Cask
   module Utils

Library/Homebrew/cask/verify.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Cask
   module Verify
     module_function

Library/Homebrew/caveats.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "language/python"
 
 class Caveats

Library/Homebrew/checksum.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Checksum
   extend Forwardable
 

Library/Homebrew/cleaner.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Cleans a newly installed keg.
 # By default:
 #

Library/Homebrew/cleanup.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "utils/bottles"
 require "utils/gems"
 require "formula"

Library/Homebrew/cli/args.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "ostruct"
 
 module Homebrew

Library/Homebrew/cli/parser.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cli/args"
 require "optparse"
 require "set"

Library/Homebrew/cmd/--cache.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "fetch"
 require "cli/parser"