feature: add frozen_string_literal: true comment

Gemfile

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 source 'https://rubygems.org'
 
 gemspec

Rakefile

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'bundler/gem_tasks'
 require 'rake/testtask'
 Rake::TestTask.new 'test' do |t|

benchmarking/logging.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 # Run with
 #
 #   $ ruby -Ilib benchmarking/logging.rb

benchmarking/pipeline.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "benchmark"
 
 $:.push File.join(File.dirname(__FILE__), 'lib')

benchmarking/speed.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 # Run with
 #
 #   $ ruby -Ilib benchmarking/speed.rb

benchmarking/suite.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'fileutils'
 
 def run_in_background(command)

benchmarking/worker.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 BENCHMARK_ROOT = File.dirname(__FILE__)
 REDIS_ROOT = File.join(BENCHMARK_ROOT, "..", "lib")
 

bin/build

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 TARBALL = ARGV[0]
 

bin/console

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 $LOAD_PATH.unshift(File.expand_path('../../lib', __FILE__))
 require 'redis'

examples/basic.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'redis'
 
 r = Redis.new

examples/consistency.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 # This file implements a simple consistency test for Redis-rb (or any other
 # Redis environment if you pass a different client object) where a client
 # writes to the database using INCR in order to increment keys, but actively

examples/dist_redis.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "redis"
 require "redis/distributed"
 

examples/incr-decr.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'redis'
 
 r = Redis.new

examples/list.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'rubygems'
 require 'redis'
 

examples/pubsub.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "redis"
 
 puts <<-EOS

examples/sentinel.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'redis'
 
 # This example creates a master-slave setup with a sentinel, then connects to

examples/sentinel/start

@@ -1,4 +1,5 @@
 #! /usr/bin/env ruby
+# frozen_string_literal: true
 
 # This is a helper script used together with examples/sentinel.rb
 # It runs two Redis masters, two slaves for each of them, and two sentinels.

examples/sets.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'rubygems'
 require 'redis'
 

examples/unicorn/config.ru

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 run lambda { |env|
   [200, {"Content-Type" => "text/plain"}, [Redis.current.randomkey]]
 }

examples/unicorn/unicorn.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "redis"
 
 worker_processes 3

lib/redis/connection.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "connection/registry"
 
 # If a connection driver was required before this file, the array

lib/redis/connection/command_helper.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   module Connection
     module CommandHelper

lib/redis/connection/hiredis.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "registry"
 require_relative "../errors"
 require "hiredis/connection"

lib/redis/connection/registry.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   module Connection
 

lib/redis/connection/ruby.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "registry"
 require_relative "command_helper"
 require_relative "../errors"

lib/redis/connection/synchrony.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "command_helper"
 require_relative "registry"
 require_relative "../errors"

lib/redis/distributed.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "hash_ring"
 
 class Redis

lib/redis/errors.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   # Base error for all redis-rb errors.
   class BaseError < RuntimeError

lib/redis/hash_ring.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'zlib'
 
 class Redis

lib/redis/pipeline.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   class Pipeline
     attr_accessor :db

lib/redis/subscribe.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   class SubscribedClient
     def initialize(client)

lib/redis/version.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class Redis
   VERSION = '4.1.3'
 end

redis.gemspec

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "./lib/redis/version"
 
 Gem::Specification.new do |s|

test/bitpos_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestBitpos < Minitest::Test

test/blocking_commands_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/blocking_commands'
 

test/client_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestClient < Minitest::Test

test/command_map_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestCommandMap < Minitest::Test

test/commands_on_geo_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestCommandsGeo < Minitest::Test

test/commands_on_hashes_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/hashes'
 

test/commands_on_hyper_log_log_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/hyper_log_log'
 

test/commands_on_lists_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/lists'
 

test/commands_on_sets_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/sets'
 

test/commands_on_sorted_sets_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/sorted_sets'
 

test/commands_on_strings_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/strings'
 

test/commands_on_value_types_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 require_relative "lint/value_types"
 

test/connection_handling_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestConnectionHandling < Minitest::Test

test/connection_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestConnection < Minitest::Test

test/distributed_blocking_commands_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/blocking_commands'
 

test/distributed_commands_on_hashes_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/hashes'
 

test/distributed_commands_on_hyper_log_log_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/hyper_log_log'
 

test/distributed_commands_on_lists_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/lists'
 

test/distributed_commands_on_sets_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/sets'
 

test/distributed_commands_on_sorted_sets_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative 'helper'
 require_relative 'lint/sorted_sets'
 

test/distributed_commands_on_strings_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 require_relative "lint/strings"
 

test/distributed_commands_on_value_types_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 require_relative "lint/value_types"
 

test/distributed_commands_requiring_clustering_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedCommandsRequiringClustering < Minitest::Test

test/distributed_connection_handling_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedConnectionHandling < Minitest::Test

test/distributed_internals_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedInternals < Minitest::Test

test/distributed_key_tags_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedKeyTags < Minitest::Test

test/distributed_persistence_control_commands_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedPersistenceControlCommands < Minitest::Test

test/distributed_publish_subscribe_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedPublishSubscribe < Minitest::Test

test/distributed_remote_server_control_commands_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedRemoteServerControlCommands < Minitest::Test

test/distributed_scripting_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedScripting < Minitest::Test

test/distributed_sorting_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedSorting < Minitest::Test

test/distributed_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributed < Minitest::Test

test/distributed_transactions_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestDistributedTransactions < Minitest::Test

test/encoding_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestEncoding < Minitest::Test

test/error_replies_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestErrorReplies < Minitest::Test

test/fork_safety_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestForkSafety < Minitest::Test

test/helper_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestHelper < Minitest::Test

test/internals_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "helper"
 
 class TestInternals < Minitest::Test

test/lint/blocking_commands.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
   module BlockingCommands
     def setup

test/lint/hashes.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module Hashes

test/lint/hyper_log_log.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module HyperLogLog

test/lint/lists.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module Lists

test/lint/sets.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module Sets

test/lint/sorted_sets.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module SortedSets

test/lint/strings.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module Strings

test/lint/value_types.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Lint
 
   module ValueTypes