Install ext into RUBYARCHDIR

Rakefile

@@ -8,7 +8,7 @@ task default: %i[compile rubocop spec]
 
 desc 'Compile all the extensions'
 task :compile do
-  sh 'rake', '-C', 'ext/sass', 'clobber', 'install'
+  sh 'rake', '-C', 'ext/sass', 'clobber', 'install', 'embedded_sass_pb.rb'
 
   if ENV.key?('ext_platform') && ENV['ext_platform'] != 'ruby'
     host_cpu, host_os = ENV['ext_platform'].split('-', 2)

exe/sass

@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
 
-require_relative '../ext/sass/cli'
+require 'sass/cli'
 
 module Sass
   # The `sass` command line interface

ext/sass/Rakefile

@@ -1,5 +1,9 @@
 # frozen_string_literal: true
 
+dest = File.absolute_path('sass', ENV.fetch('RUBYARCHDIR', File.absolute_path('../../lib', __dir__)))
+FileUtils.mkdir_p(dest)
+Dir.chdir(dest)
+
 require 'rake/clean'
 
 require_relative '../../lib/sass/elf'
@@ -8,9 +12,7 @@ ELF = Sass.const_get(:ELF)
 
 task default: %i[install clean]
 
-task install: %w[cli.rb] do
-  Rake::Task['embedded_sass_pb.rb'].invoke unless File.exist?('embedded_sass_pb.rb')
-end
+task install: %w[cli.rb]
 
 CLEAN.include %w[
   protoc.exe
@@ -57,6 +59,11 @@ rescue StandardError
 end
 
 file 'node_modules/sass' do
+  cp File.absolute_path('package.json', __dir__), './'
+
+  # TODO: remove after https://github.com/sass/dart-sass/pull/2413
+  cp File.absolute_path("sass-#{SassConfig.dart_sass_version}.tgz", __dir__), './'
+
   sh 'npm', 'install'
 rescue StandardError
   begin
@@ -135,7 +142,7 @@ file 'cli.rb' => %w[dart-sass] do |t|
     File.write(t.name, <<~CLI_RB)
       # frozen_string_literal: true
 
-      require_relative '../../lib/sass/elf'
+      require 'sass/elf'
 
       module Sass
         module CLI
@@ -487,7 +494,7 @@ module SassConfig
   end
 
   def dart_sass_version
-    package_json['dependencies']['sass']
+    package_json(__dir__)['dependencies']['sass']
       # TODO: remove after https://github.com/sass/dart-sass/pull/2413
       .delete_prefix('file:sass-').delete_suffix('.tgz')
   end

lib/sass/compiler/connection.rb

@@ -2,7 +2,7 @@
 
 require 'open3'
 
-require_relative '../../../ext/sass/cli'
+require 'sass/cli'
 
 module Sass
   class Compiler

lib/sass/embedded_protocol.rb

@@ -3,7 +3,7 @@
 module Sass
   # @see https://github.com/sass/sass/blob/HEAD/spec/embedded-protocol.md
   module EmbeddedProtocol
-    require_relative '../../ext/sass/embedded_sass_pb'
+    require_relative 'embedded_sass_pb'
   end
 
   private_constant :EmbeddedProtocol

sass-embedded.gemspec

@@ -21,19 +21,16 @@ Gem::Specification.new do |spec|
 
   spec.bindir      = 'exe'
   spec.executables = ['sass']
-  spec.files       = Dir['exe/**/*', 'ext/**/*_pb.rb', 'lib/**/*.rb'] + ['LICENSE', 'README.md']
+  spec.files       = Dir['exe/**/*', 'lib/**/*.rb'] + ['LICENSE', 'README.md']
   spec.platform    = ENV.fetch('gem_platform', 'ruby')
 
   if spec.platform == Gem::Platform::RUBY
     spec.extensions = ['ext/sass/Rakefile']
-    spec.files += Dir['ext/sass/sass-*.tgz'] # TODO: remove after https://github.com/sass/dart-sass/pull/2413
-    spec.files += [
-      'ext/sass/Rakefile',
-      'ext/sass/package.json'
-    ]
+    spec.files += Dir['ext/**/*']
+    spec.files -= ['lib/sass/cli.rb']
     spec.add_dependency 'rake', '>= 13'
   else
-    spec.files += Dir['ext/sass/dart-sass/**/*'] + ['ext/sass/cli.rb']
+    spec.files += Dir['lib/sass/dart-sass/**/*']
   end
 
   spec.required_ruby_version = if spec.platform == Gem::Platform::RUBY || spec.platform.os != 'linux'