bin: get closer from the default template of Rails 6

bin/setup

@@ -1,6 +1,5 @@
 #!/usr/bin/env ruby
 require 'fileutils'
-include FileUtils
 
 # path to your application root.
 APP_ROOT = File.expand_path('..', __dir__)
@@ -9,13 +8,15 @@ def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
 end
 
-chdir APP_ROOT do
+FileUtils.chdir APP_ROOT do
   # This script is a starting point to setup your application.
   # Add necessary setup steps to this file.
 
   puts "\n== Installing dependencies =="
   system! 'gem install bundler --conservative'
   system('bundle check') || system!('bundle install')
+
+  # Install JavaScript dependencies
   system! 'bin/yarn install'
 
   puts "\n== Updating webdrivers =="
@@ -23,7 +24,7 @@ chdir APP_ROOT do
 
   puts "\n== Copying sample files =="
   unless File.exist?('.env')
-    cp 'config/env.example', '.env'
+    FileUtils.cp 'config/env.example', '.env'
   end
 
   # Create the database, load the schema, and initialize it with the seed data

bin/update

@@ -1,6 +1,5 @@
 #!/usr/bin/env ruby
 require 'fileutils'
-include FileUtils
 
 # path to your application root.
 APP_ROOT = File.expand_path('..', __dir__)
@@ -9,7 +8,7 @@ def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
 end
 
-chdir APP_ROOT do
+FileUtils.chdir APP_ROOT do
   # This script is a way to update your development environment automatically.
   # Add necessary update steps to this file.