Depend on ruby/debug, replacing Byebug

ruby/debug is a new debugger that is going to ship with CRuby.

It makes sense for Rails to switch to this one because that is
where the language is heading, and because Byebug is not fully
compatible with Zeitwerk. See

    deivid-rodriguez/byebug#564

While ruby/debug has not been heavily tested with Zeitwerk,
casual usage seems to suggest it works without issues, including
explicit namespaces, which is where Byebug and Zeitwerk conflict.

Byebug is terrific, thanks a lot for all these years. ❤️

Author: fxn

.gitignore

@@ -2,7 +2,6 @@
 # Check out https://help.github.com/articles/ignoring-files for how to set that up.
 
 .Gemfile
-.byebug_history
 .ruby-version
 /*/doc/
 /*/test/tmp/

Gemfile

@@ -119,7 +119,7 @@ group :test do
 
   platforms :mri do
     gem "stackprof"
-    gem "byebug"
+    gem "debug", ">= 1.0.0.rc", require: false
   end
 
   gem "benchmark-ips"

Gemfile.lock

@@ -164,7 +164,6 @@ GEM
     bunny (2.18.0)
       amq-protocol (~> 2.3, >= 2.3.1)
       sorted_set (~> 1, >= 1.0.2)
-    byebug (11.1.3)
     capybara (3.35.3)
       addressable
       mini_mime (>= 0.1.3)
@@ -190,6 +189,9 @@ GEM
     daemons (1.4.0)
     dalli (2.7.11)
     dante (0.2.0)
+    debug (1.0.0.rc2)
+      irb
+      reline (>= 0.2.7)
     declarative (0.0.20)
     delayed_job (4.1.9)
       activesupport (>= 3.0, < 6.2)
@@ -290,6 +292,9 @@ GEM
       ruby-vips (>= 2.0.17, < 3)
     importmap-rails (0.5.1)
       rails (>= 6.0.0)
+    io-console (0.5.9)
+    irb (1.3.7)
+      reline (>= 0.2.7)
     jmespath (1.4.0)
     jsbundling-rails (0.1.0)
       rails (>= 6.0.0)
@@ -377,6 +382,8 @@ GEM
     redis-namespace (1.8.1)
       redis (>= 3.0.4)
     regexp_parser (2.1.1)
+    reline (0.2.7)
+      io-console (~> 0.5)
     representable (3.1.1)
       declarative (< 0.1.0)
       trailblazer-option (>= 0.1.1, < 0.2.0)
@@ -531,11 +538,11 @@ DEPENDENCIES
   benchmark-ips
   blade
   bootsnap (>= 1.4.4)
-  byebug
   capybara (>= 3.26)
   connection_pool
   cssbundling-rails
   dalli
+  debug (>= 1.0.0.rc)
   delayed_job
   delayed_job_active_record
   google-cloud-storage (~> 1.11)

actioncable/test/test_helper.rb

@@ -7,11 +7,6 @@
 require "puma"
 require "rack/mock"
 
-begin
-  require "byebug"
-rescue LoadError
-end
-
 # Require all the stubs and models
 Dir[File.expand_path("stubs/*.rb", __dir__)].each { |file| require file }
 

actionmailbox/test/test_helper.rb

@@ -7,7 +7,6 @@
 ActiveRecord::Migrator.migrations_paths = [File.expand_path("../test/dummy/db/migrate", __dir__)]
 require "rails/test_help"
 
-require "byebug"
 require "webmock/minitest"
 
 require "rails/test_unit/reporter"

activerecord/test/cases/base_prevent_writes_test.rb

@@ -2,7 +2,6 @@
 
 require "cases/helper"
 require "models/bird"
-require "byebug"
 
 class BasePreventWritesTest < ActiveRecord::TestCase
   if !in_memory_db?

activestorage/test/test_helper.rb

@@ -12,11 +12,6 @@
 require "active_storage/service/mirror_service"
 require "image_processing/mini_magick"
 
-begin
-  require "byebug"
-rescue LoadError
-end
-
 require "active_job"
 ActiveJob::Base.queue_adapter = :test
 ActiveJob::Base.logger = ActiveSupport::Logger.new(nil)